:root {
    color-scheme: light;
    --max-width: 1120px;
    --page-padding: clamp(1.25rem, 3vw, 2.5rem);

    /* Enhanced Color Palette - Primary Colors (Teal/Cyan) */
    --color-primary-50: #f0fdfa;
    --color-primary-100: #ccfbf1;
    --color-primary-200: #99f6e4;
    --color-primary-300: #5eead4;
    --color-primary-400: #2dd4bf;
    --color-primary-500: #14b8a6;
    --color-primary-600: #0d9488;
    --color-primary-700: #0f766e;
    --color-primary-800: #115e59;
    --color-primary-900: #134e4a;

    /* Enhanced Color Palette - Neutral Colors */
    --color-neutral-50: #f8fafc;
    --color-neutral-100: #f1f5f9;
    --color-neutral-200: #e2e8f0;
    --color-neutral-300: #cbd5e1;
    --color-neutral-400: #94a3b8;
    --color-neutral-500: #64748b;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1e293b;
    --color-neutral-900: #0f172a;

    /* Enhanced Color Palette - Semantic Colors */
    --color-success-50: #f0fdf4;
    --color-success-100: #dcfce7;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;
    --color-success-700: #15803d;
    
    --color-error-50: #fef2f2;
    --color-error-100: #fee2e2;
    --color-error-500: #ef4444;
    --color-error-600: #dc2626;
    --color-error-700: #b91c1c;
    
    --color-warning-50: #fffbeb;
    --color-warning-100: #fef3c7;
    --color-warning-500: #f59e0b;
    --color-warning-600: #d97706;
    --color-warning-700: #b45309;
    
    --color-info-50: #eff6ff;
    --color-info-100: #dbeafe;
    --color-info-500: #3b82f6;
    --color-info-600: #2563eb;
    --color-info-700: #1d4ed8;

    /* Legacy color mappings (for backward compatibility) */
    --bg-gradient: linear-gradient(135deg, #f7f7f8 0%, #eef1f4 50%, #e7ebee 100%);
    --surface: rgba(255, 255, 255, 0.82);
    --surface-solid: #ffffff;
    --surface-muted: rgba(245, 247, 250, 0.92);
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.14);

    --ink: #1f242d;
    --ink-muted: #5b6573;
    --ink-subtle: #7f8a99;
    --ink-soft: #a4aebd;

    --accent: #14b8a6;
    --accent-hover: #0d9488;
    --accent-dark: #0d9488;
    --accent-muted: rgba(20, 184, 166, 0.12);
    --positive: #16a34a;
    --danger: #dc2626;

    /* Spacing System (4px base unit) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;

    /* Typography Scale (1.25 ratio - Major Third) */
    --font-size-xs: 0.64rem;    /* 10.24px */
    --font-size-sm: 0.8rem;     /* 12.8px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.25rem;    /* 20px */
    --font-size-xl: 1.563rem;   /* 25px */
    --font-size-2xl: 1.953rem;  /* 31.25px */
    --font-size-3xl: 2.441rem;  /* 39.06px */
    --font-size-4xl: 3.052rem;  /* 48.83px */

    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Border Radius - Modern Medium */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows - Enhanced with tint */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(15, 24, 40, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 24, 40, 0.08);
    --shadow-lg: 0 8px 24px rgba(15, 24, 40, 0.1);
    --shadow-xl: 0 16px 48px rgba(15, 24, 40, 0.12);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-accent: 0 8px 24px rgba(20, 184, 166, 0.25);
    --shadow-soft: 0 4px 16px rgba(15, 24, 40, 0.04),
               0 0 0 1px rgba(15, 24, 40, 0.02);
    --shadow-strong: 0 50px 120px rgba(15, 24, 40, 0.12);

    /* Animation Timing */
    --duration-fast: 150ms;
    --duration-medium: 250ms;
    --duration-slow: 400ms;

    /* Animation Easing - Spring & Natural Motion */
    --ease-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0.0, 0.1, 1);
    --ease-emphasized: cubic-bezier(0.05, 0.7, 0.1, 1);
    --ease-in: cubic-bezier(0.4, 0.0, 1, 1);
    --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0.0, 0.2, 1);

    /* Responsive Breakpoints */
    --breakpoint-xs: 480px;
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at top, rgba(240, 253, 250, 0.5) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(204, 251, 241, 0.3) 0%, transparent 50%),
        var(--color-neutral-50);
    color: var(--ink);
    font-family: inherit;
    font-weight: 400;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-dark);
}

p {
    margin: 0;
}

ul, ol {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

button {
    font-family: inherit;
    font-weight: 500;
    letter-spacing: -0.01em;
    cursor: pointer;
    border: none;
    background: none;
}

h1, h2, h3 {
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.02em;
}

label {
    font-weight: 500;
    letter-spacing: -0.006em;
}

.panel-label {
    font-weight: 500;
    letter-spacing: -0.006em;
}

button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}

.shell {
    position: sticky;
    top: 0;
    z-index: 40;
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.navbar {
    width: min(var(--max-width), 100% - 3rem);
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    white-space: nowrap;
}

.navbar__logo {
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 1.1rem;
    color: var(--accent);
}

.navbar__tagline {
    color: var(--ink-subtle);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.4vw, 2rem);
    margin-left: auto;
}

.navbar__links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.navbar__links a {
    position: relative;
    padding-bottom: 0.15rem;
}

.navbar__links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.25rem;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-medium) var(--ease-out);
}

.navbar__links a:hover::after {
    transform: scaleX(1);
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar__toggle {
    display: none;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(15, 23, 42, 0.06);
    border-radius: var(--radius-sm);
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.35rem;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.navbar__toggle:hover {
    background: rgba(15, 23, 42, 0.08);
}

.navbar__toggle:focus-visible {
    outline: 2px solid var(--color-primary-600);
    outline-offset: 2px;
}

.navbar__toggle.is-active {
    background: rgba(13, 148, 136, 0.12);
    border-color: rgba(13, 148, 136, 0.28);
}

.navbar__toggle-bar {
    width: 1.45rem;
    height: 2px;
    border-radius: 999px;
    background: var(--ink);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.navbar__toggle.is-active .navbar__toggle-bar:nth-of-type(1) {
    transform: translateY(6px) rotate(45deg);
}

.navbar__toggle.is-active .navbar__toggle-bar:nth-of-type(2) {
    opacity: 0;
}

.navbar__toggle.is-active .navbar__toggle-bar:nth-of-type(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.eyebrow {
    margin: 0;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-dark);
}

.primary,
.secondary,
.ghost {
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    padding: 0.65rem 1.35rem;
    transition: background 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.button-spinner {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    transition: transform var(--duration-medium) var(--ease-spring),
                box-shadow var(--duration-medium) var(--ease-smooth);
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.2);
}

.primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(20, 184, 166, 0.35);
}

.primary:active {
    transform: translateY(0) scale(0.98);
    transition-duration: 100ms;
}

.secondary {
    background: rgba(20, 184, 166, 0.12);
    color: var(--accent);
    border: 1px solid rgba(20, 184, 166, 0.2);
}

.secondary:hover {
    background: rgba(20, 184, 166, 0.18);
}

.ghost {
    color: var(--ink);
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(15, 23, 42, 0.1);
    transition: all var(--duration-medium) var(--ease-smooth);
}

.ghost:hover {
    background: rgba(15, 23, 42, 0.08);
    border-color: rgba(15, 23, 42, 0.15);
    transform: translateY(-1px);
}

.landing {
    display: grid;
    gap: clamp(3rem, 6vw, 4.5rem);
    padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(4rem, 8vw, 5rem);
}

.landing__hero {
    width: min(var(--max-width), 100% - 3rem);
    margin: 0 auto;
    display: grid;
    gap: clamp(2rem, 4vw, 3rem);
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    align-items: center;
}

.landing__hero-content {
    display: grid;
    gap: clamp(1.1rem, 3vw, 1.6rem);
}

.landing__hero-content h1 {
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.landing__hero-content p {
    color: var(--ink-muted);
    font-size: 1.05rem;
}

.landing__hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.landing__hero-points {
    display: grid;
    gap: 0.65rem;
    color: var(--ink-subtle);
    font-size: 0.95rem;
    padding-left: 1.1rem;
    position: relative;
}

.landing__hero-points li {
    position: relative;
}

.landing__hero-points li::before {
    content: "";
    position: absolute;
    left: -1.1rem;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.landing__hero-visual {
    display: flex;
    justify-content: center;
    transform: translateZ(0);
    will-change: transform;
    transition: transform 0.3s ease-out;
}

.landing__mockup {
    width: min(100%, 360px);
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-strong);
    padding: 1.75rem;
    display: grid;
    gap: 1.5rem;
    animation: mockupFloat 6s ease-in-out infinite;
}

@keyframes mockupFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(1deg);
    }
    50% {
        transform: translateY(-5px) rotate(0deg);
    }
    75% {
        transform: translateY(-10px) rotate(-1deg);
    }
}

.landing__mockup-header {
    display: flex;
    gap: 0.4rem;
}

.landing__mockup-header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.12);
    animation: mockupDotPulse 2s ease-in-out infinite;
}

.landing__mockup-header span:nth-child(1) {
    animation-delay: 0s;
    background: rgba(239, 68, 68, 0.6);
}

.landing__mockup-header span:nth-child(2) {
    animation-delay: 0.2s;
    background: rgba(245, 158, 11, 0.6);
}

.landing__mockup-header span:nth-child(3) {
    animation-delay: 0.4s;
    background: rgba(34, 197, 94, 0.6);
}

@keyframes mockupDotPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.landing__mockup-body {
    display: grid;
    gap: 0.9rem;
}

.landing__mockup-line {
    height: 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.08);
    animation: mockupLineGrow 1.5s ease-out forwards;
    transform-origin: left;
}

.landing__mockup-line--accent {
    width: 80%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 100%);
    animation-delay: 0.3s;
}

.landing__mockup-line--muted {
    width: 60%;
    background: rgba(20, 184, 166, 0.18);
    animation-delay: 0.6s;
}

@keyframes mockupLineGrow {
    from {
        transform: scaleX(0);
        opacity: 0;
    }
    to {
        transform: scaleX(1);
        opacity: 1;
    }
}

.landing__mockup-card {
    background: rgba(20, 184, 166, 0.12);
    border-radius: var(--radius);
    padding: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--accent-dark);
    font-weight: 600;
    animation: mockupCardSlide 1s ease-out 0.8s forwards;
    opacity: 0;
    transform: translateX(-20px);
}

.landing__mockup-chip {
    background: var(--surface-solid);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    border: 1px solid rgba(20, 184, 166, 0.25);
    animation: mockupChipBounce 0.6s ease-out 1.2s forwards;
    opacity: 0;
    transform: scale(0.8);
}

@keyframes mockupCardSlide {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes mockupChipBounce {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    60% {
        opacity: 1;
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.section {
    width: min(var(--max-width), 100% - 3rem);
    margin: 0 auto;
    display: grid;
    gap: clamp(1.8rem, 4vw, 2.6rem);
    background: transparent;
}

.section--muted {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    padding: clamp(2rem, 4vw, 2.8rem);
    box-shadow: var(--shadow-soft);
}

.section__header {
    display: grid;
    gap: 0.75rem;
    max-width: 720px;
}

.section__header h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.section__header p {
    color: var(--ink-muted);
}

.step-list {
    display: grid;
    gap: clamp(1.2rem, 2.5vw, 1.6rem);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    position: relative;
}

.step-list::before {
    content: "";
    position: absolute;
    top: 3rem;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--color-primary-200) 0%, 
        var(--color-primary-400) 50%, 
        var(--color-primary-200) 100%);
    z-index: 0;
}

@media (max-width: 768px) {
    .step-list::before {
        display: none;
    }
}

.step-card {
    background: var(--surface-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.6rem;
    display: grid;
    gap: 0.8rem;
    box-shadow: 0 16px 36px rgba(15, 24, 40, 0.08);
    position: relative;
    z-index: 1;
    transition: transform var(--duration-medium) var(--ease-out),
                box-shadow var(--duration-medium) var(--ease-out);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 44px rgba(15, 24, 40, 0.12);
}

.step-card__index {
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: fit-content;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    position: relative;
}

.step-card__index::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(20, 184, 166, 0.1), 
        rgba(13, 148, 136, 0.15));
    border-radius: var(--radius);
    z-index: -1;
}

.step-card h3 {
    margin: 0;
    font-size: 1.2rem;
}

.step-card p {
    color: var(--ink-muted);
    font-size: 0.98rem;
}

.feature-grid {
    display: grid;
    gap: clamp(1.3rem, 3vw, 1.9rem);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
    background: var(--surface-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.8rem;
    display: grid;
    gap: 0.75rem;
    box-shadow: 0 20px 44px rgba(15, 24, 40, 0.08);
    transition: transform var(--duration-medium) var(--ease-out),
                box-shadow var(--duration-medium) var(--ease-out),
                border-color var(--duration-medium) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--duration-medium) var(--ease-out);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 28px 56px rgba(15, 24, 40, 0.14);
    border-color: rgba(20, 184, 166, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:focus-within {
    border-color: rgba(20, 184, 166, 0.3);
}

.feature-card:focus-within::before {
    opacity: 1;
}

.feature-card h3 {
    margin: 0;
    font-size: 1.25rem;
    transition: color var(--duration-fast) var(--ease-out);
}

.feature-card:hover h3 {
    color: var(--color-primary-600);
}

.feature-card p {
    color: var(--ink-muted);
}

.feature-card__icon {
    font-size: 2.5rem;
    line-height: 1;
    transition: transform var(--duration-medium) var(--ease-out);
    display: inline-block;
}

.feature-card:hover .feature-card__icon {
    transform: scale(1.15) rotate(5deg);
    animation: iconBounce 0.6s ease-out;
}

@keyframes iconBounce {
    0%, 100% {
        transform: scale(1.15) rotate(5deg);
    }
    50% {
        transform: scale(1.25) rotate(-5deg);
    }
}

.highlight-list {
    display: grid;
    gap: 0.75rem;
    color: var(--ink-muted);
    font-size: 1rem;
}

.highlight-list li {
    padding-left: 1.25rem;
    position: relative;
}

.highlight-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(20, 184, 166, 0.4);
}

.faq {
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: var(--surface-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.2rem 1.4rem;
    box-shadow: 0 12px 28px rgba(15, 24, 40, 0.06);
    transition: border-color var(--duration-medium) var(--ease-out),
                box-shadow var(--duration-medium) var(--ease-out);
}

.faq-item[open] {
    border-color: rgba(20, 184, 166, 0.3);
    box-shadow: 0 12px 28px rgba(20, 184, 166, 0.12);
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    list-style: none;
    position: relative;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "›";
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-600);
    transform: rotate(90deg);
    transition: transform var(--duration-medium) var(--ease-out);
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    transform: rotate(270deg);
}

.faq-item summary:hover {
    color: var(--color-primary-600);
}

.faq-item__content {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height var(--duration-slow) var(--ease-out),
                opacity var(--duration-medium) var(--ease-out);
}

.faq-item[open] .faq-item__content {
    max-height: 500px;
    opacity: 1;
}

.faq-item p {
    margin-top: 0.75rem;
    color: var(--ink-muted);
}

.cta-banner {
    width: min(var(--max-width), 100% - 3rem);
    margin: clamp(2rem, 5vw, 3.5rem) auto 0;
    padding: clamp(2rem, 4vw, 2.75rem);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.14) 0%, rgba(13, 148, 136, 0.18) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(20, 184, 166, 0.25);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
}

.cta-banner__content {
    max-width: 520px;
}

.cta-banner__content h2 {
    margin: 0 0 0.4rem 0;
    font-size: clamp(1.9rem, 3vw, 2.4rem);
}

.cta-banner__content p {
    color: var(--ink-muted);
}

.site-footer {
    width: min(var(--max-width), 100% - 3rem);
    margin: 0 auto;
    padding: 2rem 0;
    text-align: center;
    color: var(--ink-soft);
    font-size: 0.85rem;
}

.workspace-main {
    max-width: var(--max-width);
    min-height: calc(100vh - 120px);
    margin: 0 auto;
    padding: clamp(1.5rem, 3vw, 2rem) clamp(1.5rem, 5vw, 3rem);
    display: grid;
    gap: clamp(2rem, 4vw, 3rem);
    align-content: start;
}

.workspace-intro {
    display: grid;
    gap: clamp(1rem, 3vw, 1.4rem);
}

.workspace-intro h1 {
    margin: 0;
    font-size: clamp(2.1rem, 4vw, 2.8rem);
    color: var(--ink);
}

.workspace-intro p {
    color: var(--ink-muted);
    max-width: 560px;
}

.workspace-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.workspace-steps li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
    color: var(--ink-muted);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: capitalize;
}

.workspace-steps li.is-active {
    background: rgba(20, 184, 166, 0.14);
    color: var(--accent-dark);
}

.workspace-upload {
    display: grid;
    gap: 1.5rem;
}

.workspace-card {
    display: grid;
    gap: 1.5rem;
    background: var(--surface-solid);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    padding: clamp(2rem, 4vw, 2.8rem);
    box-shadow: 0 28px 60px rgba(15, 24, 40, 0.12);
    text-align: center;
    place-items: center;
}

.workspace-card__title {
    margin: 0;
    font-size: 1.35rem;
    color: var(--ink);
}

.workspace-card__subtitle {
    margin: 0;
    color: var(--ink-muted);
}

.workspace-locked__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.workspace-locked__actions .primary,
.workspace-locked__actions .ghost {
    width: auto;
}

.upload-dropzone {
    border: 2px dashed transparent;
    background:
        linear-gradient(white, white) padding-box,
        linear-gradient(135deg, var(--color-primary-400), var(--color-primary-500)) border-box;
    border-radius: var(--radius-xl);
    padding: clamp(2rem, 4vw, 2.75rem);
    text-align: center;
    display: grid;
    place-items: center;
    position: relative;
    transition: all var(--duration-medium) var(--ease-smooth);
    cursor: pointer;
}

.upload-dropzone::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg,
        rgba(20, 184, 166, 0.05) 0%,
        rgba(45, 212, 191, 0.08) 100%
    );
    opacity: 0;
    transition: opacity var(--duration-medium) var(--ease-smooth);
}

.upload-dropzone:hover::before {
    opacity: 1;
}

.upload-dropzone.is-dragover {
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(20, 184, 166, 0.2);
}

.upload-dropzone.is-filled {
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.15);
}

.upload-dropzone__content {
    display: grid;
    gap: 0.5rem;
    justify-items: center;
}

.upload-dropzone__icon {
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.upload-dropzone__icon svg {
    width: 48px;
    height: 48px;
}

.upload-dropzone__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ink);
}

.upload-dropzone__subtitle {
    margin: 0;
    font-size: 0.95rem;
    color: var(--ink-muted);
}

.upload-dropzone__button {
    display: inline-flex;
    padding: 0.35rem 0.85rem;
    font-size: 0.95rem;
}

.upload-dropzone__filename {
    margin: 0.25rem 0 0;
    font-size: 0.9rem;
    color: var(--accent-dark);
    font-weight: 600;
}

.upload-dropzone__browse {
    background: none;
    border: none;
    color: var(--accent);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.upload-dropzone__browse:hover {
    color: var(--accent-hover);
}

.upload-dropzone__hint {
    margin: 0.5rem 0 0;
    font-size: 0.8rem;
    color: var(--ink-soft);
}

/* Hero content for single-page layout */
.hero-content {
    text-align: center;
    margin-bottom: 1.5rem;
}

.hero-title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--ink);
    line-height: 1.1;
}

.hero-subtitle {
    margin: 0;
    font-size: 1.1rem;
    color: var(--ink-muted);
}

/* Security badge */
.security-badge {
    display: flex;
    justify-content: center;
    margin: 0 0 1.5rem 0;
}

.security-badge__items {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    background: rgba(240, 253, 250, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(20, 184, 166, 0.15);
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.08);
}

.security-badge__item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-neutral-700);
    font-size: 0.9rem;
    font-weight: 500;
}

.security-badge__item svg {
    flex-shrink: 0;
    color: var(--color-primary-600);
}

/* Upload card */
.upload-card {
    display: grid;
    gap: 1.5rem;
    max-width: 560px;
    margin: 0 auto;
}

.upload-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

/* Step indicators */
.step-indicators {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ink-soft);
    font-size: 0.875rem;
    font-weight: 500;
}

.step::before {
    content: attr(data-step);
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: var(--surface-muted);
    border: 2px solid var(--border);
    display: grid;
    place-items: center;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--ink-muted);
    transition: all var(--duration-medium) var(--ease-spring);
}

.step.is-active {
    color: var(--accent);
}

.step.is-active::before {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-color: var(--color-primary-500);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.3);
}

.step.is-complete {
    color: var(--accent);
}

.step.is-complete::before {
    content: "\2713";
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    color: white;
    transform: scale(1.05);
}

/* Updated workspace-upload for single-page */
.workspace-upload {
    display: grid;
    gap: 1.5rem;
    padding: clamp(1.5rem, 4vw, 2.5rem) 0;
    margin: 0 calc(-1 * clamp(1.5rem, 5vw, 3rem));
    padding-left: clamp(1.5rem, 5vw, 3rem);
    padding-right: clamp(1.5rem, 5vw, 3rem);
    background: linear-gradient(180deg,
        rgba(240, 253, 250, 0.4) 0%,
        rgba(204, 251, 241, 0.2) 50%,
        transparent 100%
    );
}

/* Touch-friendly improvements for mobile */
@media (hover: none) and (pointer: coarse) {
    .primary,
    .secondary,
    .ghost {
        min-height: 44px;
        padding: 0.75rem 1.5rem;
    }

    .word-item {
        padding: 0.65rem 0.75rem;
        min-height: 44px;
    }

    .word-toggle input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }

    .canvas-zoom__buttons button {
        min-width: 44px;
        min-height: 44px;
    }

    #undo-action {
        min-height: 44px;
    }
}

.workspace-support {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.support-card {
    background: var(--surface-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.6rem;
    display: grid;
    gap: 0.9rem;
    box-shadow: 0 18px 44px rgba(15, 24, 40, 0.08);
}

.support-card h2 {
    margin: 0;
    font-size: 1.25rem;
}

.support-list {
    display: grid;
    gap: 0.6rem;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.support-list li {
    padding-left: 1rem;
    position: relative;
}

.support-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(20, 184, 166, 0.4);
}

.workspace-editor {
    display: grid;
    gap: clamp(2rem, 5vw, 2.6rem);
    grid-template-columns: minmax(0, 1fr);
}

.workspace-editor.layout--active {
    grid-template-columns: minmax(0, 2.2fr) minmax(260px, 1fr);
}

.workspace-editor__canvas {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: clamp(1.5rem, 3vw, 2.2rem);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 1.5rem;
    transition: box-shadow var(--duration-medium) var(--ease-smooth);
}

.workspace-editor__canvas:hover {
    box-shadow: var(--shadow-lg);
}

.canvas-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.canvas-toolbar__group {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.canvas-zoom {
    font-weight: 600;
    color: var(--ink);
}

.canvas-zoom__buttons {
    display: inline-flex;
    gap: 0.5rem;
}

.canvas-surface {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface-muted);
    padding: 1rem;
    display: grid;
    place-items: stretch;
    min-height: 480px;
}

/* Redaction Style Selector */
.canvas-toolbar__label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
}

.redaction-style-select {
  appearance: none;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--surface-solid);
  color: var(--ink);
  cursor: pointer;
  min-width: 140px;
  transition: all var(--duration-medium) var(--ease-smooth);

  /* Custom dropdown arrow */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 12px;
}

.redaction-style-select:hover {
  border-color: rgba(20, 184, 166, 0.4);
  box-shadow: 0 2px 8px rgba(20, 184, 166, 0.1);
  transform: translateY(-1px);
}

.redaction-style-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

.redaction-style-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Mobile responsiveness for redaction selector */
@media (max-width: 768px) {
  .canvas-toolbar__label {
    display: none;
  }

  .redaction-style-select {
    font-size: 0.85rem;
    padding: 0.45rem 1.75rem 0.45rem 0.65rem;
    min-width: 120px;
  }
}

.canvas-surface__viewport {
    width: 100%;
    max-height: clamp(480px, 70vh, 960px);
    overflow: auto;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    scrollbar-gutter: stable both-edges;
    -webkit-overflow-scrolling: touch;
}

.canvas-surface canvas {
    max-width: 100%;
    height: auto;
    transform-origin: top left;
    display: block;
}

.canvas-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.workspace-editor__panel {
    display: grid;
    gap: 1.5rem;
    align-self: start;
}

.panel-block {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(20, 184, 166, 0.12);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    box-shadow: 0 4px 16px rgba(15, 24, 40, 0.04);
    display: grid;
    gap: 1rem;
    transition: transform var(--duration-medium) var(--ease-smooth),
                box-shadow var(--duration-medium) var(--ease-smooth),
                border-color var(--duration-fast);
}

.panel-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 24, 40, 0.08);
    border-color: rgba(20, 184, 166, 0.25);
}

.panel-block__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.panel-block__body {
    display: grid;
    gap: 0.75rem;
}

.panel-buttons {
    display: inline-flex;
    gap: 0.5rem;
}

.panel-buttons .is-active {
    background: rgba(20, 184, 166, 0.18);
    color: var(--accent-dark);
    box-shadow: inset 0 0 0 1px rgba(20, 184, 166, 0.25);
}

.panel-label {
    font-weight: 600;
    color: var(--ink);
}

.panel-slider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.panel-slider__value {
    font-size: 0.9rem;
    color: var(--ink-muted);
}

.panel-hint {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.9rem;
}

.panel-clear {
    font-size: 0.85rem;
}

.word-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 360px;
    overflow-y: auto;
    display: grid;
    gap: 0.4rem;
}

.word-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: rgba(15, 23, 42, 0.03);
    font-size: 0.9rem;
    color: var(--ink);
}

.word-item__meta {
    display: inline-flex;
    gap: 0.4rem;
    color: var(--ink-muted);
    font-size: 0.8rem;
}

.word-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.word-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.avatar {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.avatar[hidden] {
    display: none;
}

.avatar__button {
    border: none;
    padding: 0;
    background: rgba(20, 184, 166, 0.12);
    color: var(--accent-dark);
    width: 40px;
    height: 40px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.2s ease, transform 0.2s ease;
}

.avatar__button:hover,
.avatar__button[aria-expanded="true"] {
    background: rgba(20, 184, 166, 0.2);
    transform: translateY(-1px);
}

.avatar__initial {
    pointer-events: none;
}

.avatar__panel {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--surface-solid);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
    padding: 0.5rem;
    display: grid;
    gap: 0.25rem;
    min-width: 160px;
    z-index: 30;
}

.avatar__panel[hidden] {
    display: none;
}

.avatar__action {
    width: 100%;
    justify-content: flex-start;
}

form {
    display: grid;
    gap: 1.25rem;
}

.field {
    display: grid;
    gap: 0.6rem;
}

label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-subtle);
}

input[type="file"],
input[type="email"],
input[type="password"],
input[type="text"],
textarea {
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #f9fafb;
    color: var(--ink);
    transition: all var(--duration-medium) var(--ease-smooth);
}

input:hover,
textarea:hover {
    border-color: rgba(20, 184, 166, 0.35);
}

input:focus,
textarea:focus {
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
    outline: none;
}

textarea {
    min-height: 220px;
    resize: vertical;
}

.toast {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(6px);
    z-index: 120;
}

.toast[hidden] {
    display: none;
}

.toast__panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: 0 20px 40px rgba(15, 24, 40, 0.15),
                0 0 0 1px rgba(255, 255, 255, 0.5);
    padding: clamp(1.5rem, 4vw, 1.75rem);
    width: min(420px, calc(100% - 3rem));
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.toast__panel--success {
    border-color: rgba(22, 163, 74, 0.3);
    background: rgba(240, 253, 244, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.toast__panel--success .toast__icon {
    color: var(--color-success-600);
    animation: successPop 0.5s var(--ease-spring);
}

.toast__panel--error {
    border-color: rgba(220, 38, 38, 0.3);
    background: rgba(254, 242, 242, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.toast__panel--error .toast__icon {
    color: var(--color-error-600);
    animation: errorShake 0.5s var(--ease-spring);
}

.toast__panel--loading {
    border-color: rgba(20, 184, 166, 0.3);
    background: rgba(240, 253, 250, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.toast__panel--loading .toast__icon {
    color: var(--color-primary-600);
}

.toast__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    padding: 4px;
}

.toast__icon svg {
    width: 100%;
    height: 100%;
}

.toast__content {
    flex: 1;
    min-width: 0;
}

.toast__message {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.5;
}

@keyframes successPop {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    60% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes errorShake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-4px);
    }
    75% {
        transform: translateX(4px);
    }
}

.toast__dismiss {
    flex-shrink: 0;
    border: none;
    background: rgba(15, 23, 42, 0.06);
    color: var(--ink-muted);
    border-radius: 999px;
    width: 32px;
    height: 32px;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.toast__dismiss:hover {
    background: rgba(15, 23, 42, 0.12);
    color: var(--ink);
    transform: scale(1.1);
}

.toast__dismiss:active {
    transform: scale(0.95);
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: grid;
}

.modal[hidden] {
    display: none;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(12px);
}

.modal__dialog {
    position: relative;
    margin: auto;
    width: min(520px, calc(100% - 2rem));
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 20px 60px rgba(15, 24, 40, 0.2),
                0 0 0 1px rgba(20, 184, 166, 0.1);
    padding: clamp(2rem, 4vw, 2.75rem);
    display: grid;
    gap: 1.5rem;
}

.modal__close {
    position: absolute;
    top: 1.1rem;
    right: 1.2rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.04);
    font-size: 1.3rem;
    line-height: 1;
    color: var(--ink-muted);
}

.modal__title {
    margin: 0;
    font-size: 1.5rem;
}

.modal__subtitle {
    margin: 0;
    color: var(--ink-subtle);
}

.auth-panel {
    display: grid;
    gap: 1.5rem;
}

.auth-toggle {
    display: inline-flex;
    padding: 0.4rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
}

.auth-toggle__btn {
    border-radius: 999px;
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    text-transform: capitalize;
    color: var(--ink-muted);
    background: transparent;
    border: none;
}

.auth-toggle__btn.is-active {
    background: var(--surface-solid);
    color: var(--ink);
    box-shadow: var(--shadow-soft);
}

.auth-form {
    display: grid;
    gap: 1.2rem;
}

.password-checklist {
    margin-top: 0.6rem;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    background: var(--color-neutral-100);
    display: grid;
    gap: 0.5rem;
}

.password-checklist__title {
    margin: 0;
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    color: var(--ink);
}

.password-checklist__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.35rem;
}

.password-checklist__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--ink-muted);
    transition: color 0.2s ease;
}

.password-checklist__item.is-met {
    color: var(--color-success-700);
}

.password-checklist__icon {
    width: 1rem;
    height: 1rem;
    border-radius: 999px;
    border: 2px solid var(--color-neutral-300);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.password-checklist__icon::after {
    content: '';
    width: 0.45rem;
    height: 0.25rem;
    border-left: 2px solid transparent;
    border-bottom: 2px solid transparent;
    transform: rotate(-45deg);
    position: absolute;
}

.password-checklist__item.is-met .password-checklist__icon {
    border-color: var(--color-success-500);
    background: var(--color-success-100);
}

.password-checklist__item.is-met .password-checklist__icon::after {
    border-color: var(--color-success-600);
}

.auth-form.is-hidden {
    display: none;
}

.auth-form__intro {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.auth-form__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.6rem;
}

.auth-link {
    border: none;
    background: none;
    color: var(--color-primary-600);
    font-size: 0.92rem;
    padding: 0;
    text-decoration: underline;
    cursor: pointer;
}

.auth-link.is-hidden {
    display: none;
}

.auth-alert {
    margin-bottom: 1rem;
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius);
    background: rgba(20, 184, 166, 0.12);
    color: var(--color-primary-900);
    font-size: 0.95rem;
}

.auth-alert[data-type="error"] {
    background: var(--color-error-50);
    color: var(--color-error-700);
}

.verification-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-neutral-100);
    padding: 2rem;
}

.verification-panel {
    background: var(--surface-solid);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-large);
    text-align: center;
    max-width: 480px;
    width: 100%;
}

.verification-panel h1 {
    margin-top: 0;
}

.verification-panel p {
    color: var(--ink-muted);
}

/* Tablet and below */
@media (max-width: 900px) {
    .workspace-editor.layout--active {
        grid-template-columns: minmax(0, 1fr);
    }

    .workspace-editor {
        gap: 1.5rem;
    }

    .workspace-editor__panel {
        order: -1;
    }

    .canvas-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .canvas-actions .ghost,
    .canvas-actions .primary {
        width: 100%;
    }

    .canvas-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .step-indicators {
        gap: 1rem;
    }
}

/* Mobile landscape and below */
@media (max-width: 768px) {
    .workspace-main {
        padding: 1rem 1rem;
        gap: 1.5rem;
    }

    .workspace-upload {
        margin: 0 -1rem;
        padding: 1rem 1rem 2rem;
    }

    .navbar {
        width: calc(100% - 2rem);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .upload-card {
        max-width: 100%;
        gap: 1.25rem;
    }

    .upload-form {
        gap: 1.25rem;
    }

    .upload-dropzone {
        padding: 1.5rem;
    }

    .upload-dropzone__icon svg {
        width: 40px;
        height: 40px;
    }

    .upload-dropzone__title {
        font-size: 1.1rem;
    }

    .upload-dropzone__subtitle {
        font-size: 0.9rem;
    }

    .step-indicators {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .step {
        font-size: 0.8rem;
    }

    .step::before {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.7rem;
    }

    .workspace-editor__canvas {
        padding: 1rem;
    }

    .canvas-surface__viewport {
        max-height: 50vh;
        min-height: 300px;
    }

    .canvas-surface {
        padding: 0.75rem;
    }

    .panel-block {
        padding: 1rem;
    }

    .panel-block h3 {
        font-size: 1.05rem;
    }

    .word-list {
        max-height: 240px;
    }

    .workspace-editor.layout--active {
        gap: 1.25rem;
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    .workspace-main {
        padding: 1rem 0.75rem;
        gap: 1rem;
        min-height: auto;
    }

    .workspace-upload {
        margin: 0 -0.75rem;
        padding: 1rem 0.75rem 1.5rem;
    }

    .workspace-editor {
        gap: 1rem;
    }

    .navbar {
        width: calc(100% - 1.5rem);
    }

    .navbar__logo {
        font-size: 1rem;
    }

    .shell {
        padding: 0.75rem 0;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.25;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-content {
        margin-bottom: 1.25rem;
    }

    .security-badge {
        margin: 0 0 1.25rem 0;
    }

    .security-badge__items {
        gap: 1rem;
        padding: 0.85rem 1.25rem;
        flex-direction: column;
        align-items: center;
    }

    .security-badge__item {
        font-size: 0.85rem;
    }

    .upload-dropzone {
        padding: 1.25rem;
    }

    .upload-dropzone__icon svg {
        width: 36px;
        height: 36px;
    }

    .upload-dropzone__title {
        font-size: 1rem;
    }

    .upload-dropzone__subtitle {
        font-size: 0.85rem;
    }

    .upload-dropzone__hint {
        font-size: 0.75rem;
    }

    .upload-submit {
        padding: 0.85rem;
        font-size: 0.95rem;
    }

    .step-indicators {
        gap: 0.5rem;
        margin-top: 1.5rem;
    }

    .step {
        font-size: 0.75rem;
        gap: 0.35rem;
    }

    .step::before {
        width: 1.35rem;
        height: 1.35rem;
        font-size: 0.65rem;
    }

    .workspace-editor__canvas {
        padding: 0.75rem;
        gap: 1rem;
    }

    .canvas-toolbar__group {
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .canvas-zoom {
        font-size: 0.85rem;
    }

    .ghost {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .primary {
        font-size: 0.9rem;
    }

    .canvas-actions {
        gap: 0.5rem;
    }

    .panel-block {
        padding: 0.85rem;
        gap: 0.75rem;
    }

    .panel-block h3 {
        font-size: 1rem;
    }

    .panel-buttons {
        gap: 0.35rem;
    }

    .word-list {
        max-height: 200px;
    }

    .word-item {
        padding: 0.45rem 0.6rem;
        font-size: 0.85rem;
    }

    .site-footer {
        padding: 1.5rem 0;
        font-size: 0.8rem;
    }

    .toast__panel {
        width: calc(100% - 2rem);
        padding: 1.25rem;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .workspace-main {
        padding: 1rem 0.5rem;
    }

    .hero-title {
        font-size: 1.35rem;
    }

    .upload-dropzone {
        padding: 1rem;
    }

    .step {
        font-size: 0.7rem;
    }

    .step::before {
        width: 1.25rem;
        height: 1.25rem;
    }
}

/* ========================================
   Design System Utilities
   ======================================== */

/* Animation Utilities */
.animate-fade-in {
    animation: fadeIn var(--duration-medium) var(--ease-out);
}

.animate-fade-out {
    animation: fadeOut var(--duration-medium) var(--ease-in);
}

.animate-slide-up {
    animation: slideUp var(--duration-medium) var(--ease-out);
    animation-fill-mode: forwards;
}

.animate-slide-down {
    animation: slideDown var(--duration-medium) var(--ease-out);
    animation-fill-mode: forwards;
}

.animate-slide-in-right {
    animation: slideInRight var(--duration-medium) var(--ease-out);
    animation-fill-mode: forwards;
}

.animate-scale-in {
    animation: scaleIn var(--duration-fast) var(--ease-out);
}

.animate-shake {
    animation: shake var(--duration-slow) var(--ease-in-out);
}

.animate-pulse {
    animation: pulse 2s var(--ease-in-out) infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Keyframe Definitions */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-4px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(4px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#editor-section {
    animation: slideInUp 0.5s var(--ease-emphasized) forwards;
}

/* Transition Utilities */
.transition-all {
    transition: all var(--duration-medium) var(--ease-standard);
}

.transition-colors {
    transition: color var(--duration-medium) var(--ease-standard),
                background-color var(--duration-medium) var(--ease-standard),
                border-color var(--duration-medium) var(--ease-standard);
}

.transition-transform {
    transition: transform var(--duration-medium) var(--ease-standard);
}

.transition-opacity {
    transition: opacity var(--duration-medium) var(--ease-standard);
}

.transition-shadow {
    transition: box-shadow var(--duration-medium) var(--ease-standard);
}

.transition-fast {
    transition-duration: var(--duration-fast);
}

.transition-slow {
    transition-duration: var(--duration-slow);
}

/* Transform Utilities */
.transform-gpu {
    transform: translateZ(0);
    will-change: transform;
}

.hover-lift:hover {
    transform: translateY(-2px);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Typography Utilities */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }

.font-regular { font-weight: var(--font-weight-regular); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.leading-tight { line-height: var(--line-height-tight); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }

/* Color Utilities */
.text-primary { color: var(--color-primary-600); }
.text-success { color: var(--color-success-600); }
.text-error { color: var(--color-error-600); }
.text-warning { color: var(--color-warning-600); }
.text-info { color: var(--color-info-600); }

.bg-primary { background-color: var(--color-primary-600); }
.bg-success { background-color: var(--color-success-600); }
.bg-error { background-color: var(--color-error-600); }
.bg-warning { background-color: var(--color-warning-600); }
.bg-info { background-color: var(--color-info-600); }

/* Shadow Utilities */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }
.shadow-none { box-shadow: none; }

/* Border Radius Utilities */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 9999px; }

/* Display Utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flexbox Utilities */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Accessibility Utilities */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.focus-visible:focus-visible {
    outline: 2px solid var(--color-primary-600);
    outline-offset: 2px;
}

/* Responsive Utilities */
@media (max-width: 480px) {
    .xs\:hidden { display: none; }
    .xs\:block { display: block; }
    .xs\:flex { display: flex; }
}

@media (max-width: 640px) {
    .sm\:hidden { display: none; }
    .sm\:block { display: block; }
    .sm\:flex { display: flex; }
}

@media (max-width: 768px) {
    .md\:hidden { display: none; }
    .md\:block { display: block; }
    .md\:flex { display: flex; }
}

@media (max-width: 1024px) {
    .lg\:hidden { display: none; }
    .lg\:block { display: block; }
    .lg\:flex { display: flex; }
}