/* ============================================================
   DocKit Web - Stylesheet
   Author: CAPITA S.R.L.
   ============================================================ */

/* ----- CSS Custom Properties ----- */
:root {
    /* Colors */
    --color-primary: #1565C0;
    --color-primary-light: #1976D2;
    --color-primary-dark: #0D47A1;
    --color-primary-bg: #E3F2FD;
    --color-primary-bg-hover: #BBDEFB;

    --color-success: #2E7D32;
    --color-success-bg: #E8F5E9;
    --color-warning: #E65100;
    --color-warning-bg: #FFF3E0;
    --color-error: #C62828;
    --color-error-bg: #FFEBEE;

    /* Surfaces */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F7FA;
    --bg-tertiary: #EAEFF5;
    --bg-elevated: #FFFFFF;

    /* Text */
    --text-primary: #1A2332;
    --text-secondary: #546E7A;
    --text-tertiary: #90A4AE;
    --text-inverse: #FFFFFF;

    /* Borders */
    --border-color: #E0E6ED;
    --border-color-hover: #B0BEC5;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.05);
    --shadow-focus: 0 0 0 3px rgba(21, 101, 192, 0.25);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', SFMono-Regular, 'Cascadia Code', 'Fira Code', Consolas, monospace;

    /* Layout */
    --container-max: 1200px;
    --header-height: 64px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ----- Dark Mode ----- */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #64B5F6;
        --color-primary-light: #90CAF9;
        --color-primary-dark: #42A5F5;
        --color-primary-bg: rgba(100, 181, 246, 0.12);
        --color-primary-bg-hover: rgba(100, 181, 246, 0.2);

        --color-success: #66BB6A;
        --color-success-bg: rgba(102, 187, 106, 0.12);
        --color-warning: #FFB74D;
        --color-warning-bg: rgba(255, 183, 77, 0.12);
        --color-error: #EF5350;
        --color-error-bg: rgba(239, 83, 80, 0.12);

        --bg-primary: #0d1b2a;
        --bg-secondary: #132238;
        --bg-tertiary: #1a2d45;
        --bg-elevated: #1a2d45;

        --text-primary: #E8EDF3;
        --text-secondary: #9BB0C4;
        --text-tertiary: #5E7A91;
        --text-inverse: #0d1b2a;

        --border-color: #243447;
        --border-color-hover: #3a5068;

        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
        --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.35);
        --shadow-focus: 0 0 0 3px rgba(100, 181, 246, 0.3);
    }
}

/* ----- Reset & Base ----- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

img, svg {
    display: block;
    max-width: 100%;
}

button {
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    border: none;
    background: none;
    color: inherit;
}

button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ----- Container ----- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
}

/* ----- Privacy Banner ----- */
.privacy-banner {
    background: var(--color-primary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-sm) 0;
    font-size: 13px;
    color: var(--text-secondary);
    position: relative;
    z-index: 100;
}

.privacy-banner-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.privacy-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.privacy-banner-content span {
    flex: 1;
}

.privacy-dismiss {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.privacy-dismiss:hover {
    background: var(--color-primary-bg-hover);
    color: var(--text-primary);
}

.privacy-dismiss svg {
    width: 14px;
    height: 14px;
}

.privacy-banner.hidden {
    display: none;
}

/* ----- Header ----- */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

@supports (backdrop-filter: blur(12px)) {
    .header {
        background: rgba(255, 255, 255, 0.85);
    }
    @media (prefers-color-scheme: dark) {
        .header {
            background: rgba(13, 27, 42, 0.85);
        }
    }
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon svg {
    width: 36px;
    height: 36px;
}

.logo-text h1 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-badge {
    font-size: 10px;
    font-weight: 600;
    background: var(--color-primary);
    color: white;
    padding: 1px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    vertical-align: middle;
}

@media (prefers-color-scheme: dark) {
    .logo-badge {
        background: var(--color-primary-dark);
        color: var(--bg-primary);
    }
}

.logo-tagline {
    font-size: 12px;
    color: var(--text-tertiary);
    line-height: 1;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link-app {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-link-app:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary-dark);
}

@media (max-width: 480px) {
    .nav-link:not(.nav-link-app) {
        display: none;
    }
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

@media (prefers-color-scheme: dark) {
    .btn-primary {
        background: var(--color-primary-dark);
        color: var(--bg-primary);
    }
    .btn-primary:hover {
        background: var(--color-primary);
    }
}

.btn-ghost {
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: var(--space-md);
}

/* ----- Main Content ----- */
.main {
    flex: 1;
    padding: var(--space-xl) 0;
}

/* ----- Drop Zone Section ----- */
.drop-zone-section {
    max-width: 720px;
    margin: 0 auto;
}

.drop-zone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.drop-zone:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.drop-zone:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.drop-zone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
    border-style: solid;
}

.drop-zone-content {
    position: relative;
    z-index: 1;
}

.drop-zone-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

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

.drop-zone-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.drop-zone-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.drop-zone-browse {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.drop-zone-browse:hover {
    color: var(--color-primary-dark);
}

.drop-zone-hint {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Drop Overlay */
.drop-zone-dragover {
    position: absolute;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    background: var(--color-primary-bg);
    z-index: 10;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
}

.drop-zone-dragover svg {
    width: 48px;
    height: 48px;
    animation: bounceDown 1s ease infinite;
}

.drop-zone.dragover .drop-zone-dragover {
    display: flex;
}

.drop-zone.dragover .drop-zone-content {
    opacity: 0;
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ----- Info Section ----- */
.info-section {
    margin-top: var(--space-2xl);
}

.info-section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    text-align: center;
    color: var(--text-secondary);
}

.info-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .info-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.info-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.info-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.info-card-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.info-card-icon svg {
    width: 20px;
    height: 20px;
}

.info-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.info-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ----- Viewer Section ----- */
.viewer-section {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.viewer-topbar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.viewer-filename {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    text-align: center;
}

@media (max-width: 640px) {
    .viewer-topbar .btn-primary {
        display: none;
    }
    .viewer-filename {
        order: -1;
        flex-basis: 100%;
        text-align: left;
    }
}

.download-mobile {
    display: none;
}

@media (max-width: 640px) {
    .download-mobile {
        display: flex;
    }
}

.viewer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 900px) {
    .viewer-grid {
        grid-template-columns: 1fr 380px;
    }
}

/* ----- Preview Area ----- */
.viewer-preview {
    min-height: 400px;
}

.preview-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

/* Loading */
.preview-loading {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-2xl);
    color: var(--text-secondary);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* PDF Preview */
.preview-pdf {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pdf-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.pdf-page-info {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 120px;
    text-align: center;
}

.pdf-canvas-wrapper {
    position: relative;
    flex: 1;
    overflow: auto;
    display: flex;
    justify-content: center;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    min-height: 500px;
}

.pdf-canvas-wrapper canvas {
    max-width: 100%;
    height: auto;
    box-shadow: var(--shadow-lg);
    background: white;
}

/* XML Preview */
.preview-xml {
    flex: 1;
    overflow: auto;
    max-height: 600px;
}

.preview-xml pre {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-primary);
}

/* Generic Preview */
.preview-generic {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
}

.preview-generic-content {
    text-align: center;
    color: var(--text-secondary);
}

.preview-generic-content svg {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    opacity: 0.5;
}

.preview-generic-content p {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.preview-generic-hint {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 400 !important;
}

/* Error */
.preview-error {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    text-align: center;
    gap: var(--space-md);
    color: var(--color-error);
}

.preview-error svg {
    width: 48px;
    height: 48px;
    opacity: 0.7;
}

.preview-error p {
    font-size: 15px;
    font-weight: 500;
    max-width: 400px;
}

/* ----- Sidebar ----- */
.viewer-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Signature Badge */
.signature-badge {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid;
}

.signature-badge.valid {
    background: var(--color-success-bg);
    border-color: var(--color-success);
}

.signature-badge.expired {
    background: var(--color-warning-bg);
    border-color: var(--color-warning);
}

.signature-badge.invalid {
    background: var(--color-error-bg);
    border-color: var(--color-error);
}

.badge-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
}

.signature-badge.valid .badge-icon {
    background: var(--color-success);
    color: white;
}

.signature-badge.expired .badge-icon {
    background: var(--color-warning);
    color: white;
}

.signature-badge.invalid .badge-icon {
    background: var(--color-error);
    color: white;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-status {
    font-size: 15px;
    font-weight: 700;
}

.signature-badge.valid .badge-status { color: var(--color-success); }
.signature-badge.expired .badge-status { color: var(--color-warning); }
.signature-badge.invalid .badge-status { color: var(--color-error); }

.badge-detail {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Signer Card */
.signer-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.signer-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.signer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.signer-name {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.3;
}

.signer-org {
    font-size: 12px;
    color: var(--text-secondary);
}

.signer-card-body {
    padding: var(--space-md) var(--space-lg);
}

.signer-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-md);
}

.signer-row:last-child {
    border-bottom: none;
}

.signer-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.signer-value {
    font-size: 13px;
    color: var(--text-primary);
    text-align: right;
    word-break: break-word;
}

.signer-value.expired-text {
    color: var(--color-warning);
    font-weight: 600;
}

/* Meta Card */
.meta-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.meta-card-title {
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.meta-card-title svg {
    width: 18px;
    height: 18px;
}

.meta-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    padding: var(--space-xs) 0;
}

.meta-item-label {
    color: var(--text-tertiary);
}

.meta-item-value {
    color: var(--text-primary);
    font-weight: 500;
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ----- App Section ----- */
.app-section {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3xl) 0;
}

.app-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.app-text {
    flex: 1;
    min-width: 280px;
}

.app-text h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.app-text > p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.app-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.app-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: var(--text-secondary);
}

.app-feature svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.app-badges {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.store-badge {
    display: block;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
}

.store-badge:hover {
    transform: scale(1.03);
    opacity: 0.9;
}

.store-badge-svg {
    width: 160px;
    height: 54px;
}

.store-badge-img {
    height: 54px;
    width: auto;
}

/* ----- Mobile App Banner (sticky, mobile only) ----- */
.mobile-app-banner {
    display: none;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-primary);
    padding: 10px 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.mobile-app-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 600px;
    margin: 0 auto;
}

.mobile-app-banner-text {
    display: flex;
    flex-direction: column;
    color: white;
    line-height: 1.3;
}

.mobile-app-banner-text strong {
    font-size: 0.95rem;
}

.mobile-app-banner-text span {
    font-size: 0.8rem;
    opacity: 0.9;
}

.mobile-app-banner-btn {
    background: white;
    color: var(--color-primary);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .mobile-app-banner {
        display: block;
    }
}

/* ----- Info Card Links ----- */
.info-card-link {
    text-decoration: none;
    color: inherit;
}

.info-card-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* ----- Footer SEO Links ----- */
.footer-links-seo {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-md);
    margin-bottom: var(--space-sm);
}

.footer-links-seo a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer-links-seo a:hover {
    color: var(--color-primary);
}

/* ----- Footer ----- */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-lg) 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer-logo {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-copy {
    font-size: 12px;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* ----- Utility: Hidden Elements ----- */
[hidden] {
    display: none !important;
}

/* ----- PRO Button ----- */
.btn-pro {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.crown-icon {
    width: 16px;
    height: 16px;
    color: #F59E0B;
    flex-shrink: 0;
}

/* ----- Paywall Modal ----- */
.paywall-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.paywall-overlay[hidden] {
    display: none !important;
}

.paywall-modal {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px;
    max-width: 420px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.2s ease;
}

.paywall-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-tertiary);
    cursor: pointer;
    line-height: 1;
}

.paywall-close:hover {
    color: var(--text-primary);
}

.paywall-header {
    text-align: center;
    margin-bottom: 24px;
}

.paywall-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
}

.paywall-emoji {
    font-size: 40px;
    display: block;
    margin-bottom: 8px;
}

.paywall-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.paywall-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.paywall-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.paywall-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    gap: 4px;
}

.paywall-option:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.paywall-option-pro {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.paywall-option-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

.paywall-option-pro .paywall-option-badge {
    background: var(--color-primary);
    color: white;
    padding: 2px 10px;
    border-radius: 10px;
}

.paywall-option-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.paywall-option-price span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.paywall-option-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.paywall-footer-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.paywall-restore {
    text-align: center;
    margin-top: 12px;
}

.paywall-restore-toggle {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: underline;
}

.paywall-restore-form {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.paywall-restore-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.paywall-restore-input:focus {
    border-color: var(--color-primary);
}

.paywall-restore-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 8px 24px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.paywall-restore-msg {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ----- PDF Pro Overlay ----- */
.pdf-pro-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.95) 40%, rgba(255,255,255,1) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 32px;
    pointer-events: all;
    z-index: 10;
}

@media (prefers-color-scheme: dark) {
    .pdf-pro-overlay {
        background: linear-gradient(to bottom, rgba(13,27,42,0) 0%, rgba(13,27,42,0.95) 40%, rgba(13,27,42,1) 100%);
    }
}

.pdf-pro-overlay-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.pdf-pro-overlay-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pdf-pro-overlay-content p strong {
    color: var(--text-primary);
    font-size: 1rem;
}

.pdf-pro-overlay-btn {
    margin-top: 8px;
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 10px 28px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}

.pdf-pro-overlay-btn:hover {
    background: var(--color-primary-dark);
}

/* ----- Cookie Consent Banner ----- */
#cookieConsentBanner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3000;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    padding: 16px 24px;
}

.cookie-banner-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.cookie-banner-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    flex: 1;
    min-width: 200px;
    margin: 0;
    line-height: 1.5;
}

.cookie-banner-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.cookie-btn-accept {
    background: var(--color-primary);
    color: white;
}

.cookie-btn-reject {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* ----- Animations ----- */
.fade-in {
    animation: fadeIn 0.3s ease;
}

/* ----- Print Styles ----- */
@media print {
    .privacy-banner,
    .header,
    .viewer-topbar,
    .app-section,
    .footer,
    .download-mobile,
    .viewer-sidebar {
        display: none !important;
    }
    .viewer-grid {
        grid-template-columns: 1fr !important;
    }
    .preview-container {
        border: none !important;
    }
}

/* ----- Accessibility: Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ----- Scrollbar ----- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-hover);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}