/*
Corporate Governance Audit Platform - Swiss Design System
Principles: Clarity, Grid Structure, Minimal, Bold Accent
Typography: Space Grotesk (grotesk) + Space Mono (monospace)
Accent: #D42B1E (red)
*/

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@700&family=Space+Mono:wght@400;700&display=swap');

/* ============================================================================
   DESIGN TOKENS
   ============================================================================ */

:root {
    /* Colors */
    --bg: #FFFFFF;
    --text: #000000;
    --text-secondary: #666666;
    --border: #E0E0E0;
    --accent: #D42B1E;  /* Red accent */
    --accent-light: rgba(212, 43, 30, 0.1);
    --accent-glow: rgba(212, 43, 30, 0.3);
    --accent-blue: #294B71;  /* Blue accent for upload border */
    --accent-blue-light: rgba(41, 75, 113, 0.05);  /* Light blue background */

    /* Typography */
    --font-grotesk: 'Space Grotesk', 'Helvetica Neue', sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;

    /* Grid System (8px base) */
    --grid: 8px;
    --spacing-xs: calc(var(--grid) * 1);
    --spacing-sm: calc(var(--grid) * 2);
    --spacing-md: calc(var(--grid) * 3);
    --spacing-lg: calc(var(--grid) * 4);
    --spacing-xl: calc(var(--grid) * 6);
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-mono);
    background:
        repeating-linear-gradient(0deg, transparent, transparent 94px, var(--border) 94px, var(--border) 95px),
        repeating-linear-gradient(90deg, transparent, transparent 94px, var(--border) 94px, var(--border) 95px),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
    padding: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-grotesk);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 0 20px var(--accent-glow);
}

header h1 {
    max-width: 600px;
}

h2 {
    font-size: 1.5rem;
    color: var(--accent);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    border-bottom: 2px solid var(--border);
    padding-bottom: var(--spacing-xs);
}

h3 {
    font-size: 1.125rem;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--text);
}

p {
    margin-bottom: var(--spacing-md);
}

.subtitle {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.monospace {
    font-family: var(--font-mono);
}

/* ============================================================================
   LAYOUT CONTAINERS
   ============================================================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border);
    background: var(--bg);
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.col-12 { grid-column: span 12; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

@media (max-width: 768px) {
    .col-6, .col-4, .col-3 {
        grid-column: span 12;
    }
}

/* ============================================================================
   UPLOAD ZONE
   ============================================================================ */

#upload-zone {
    padding: calc(var(--spacing-xl) + 6px);
    text-align: center;
    cursor: pointer;
    transition: box-shadow 0.2s ease, background-color 0.2s ease;
    background: var(--bg);
    border-radius: 0;
    box-shadow:
        0 0 0 2px #222,
        0 0 0 6px var(--bg),
        0 0 0 8px #222;
}

#upload-zone:hover {
    background: var(--accent-blue-light);
    box-shadow:
        0 0 0 2px var(--accent-blue),
        0 0 0 6px var(--bg),
        0 0 0 8px var(--accent-blue);
}

#upload-zone.dragging {
    background: var(--accent-blue-light);
    box-shadow:
        0 0 0 2px var(--accent-blue),
        0 0 0 6px var(--bg),
        0 0 0 8px var(--accent-blue);
}

#upload-zone .upload-icon {
    width: 175px;
    height: 150px;
    color: var(--text-secondary);
    margin: 0 auto var(--spacing-md);
    display: block;
    pointer-events: none;
}

#upload-zone p {
    margin: 0;
    font-family: var(--font-mono);
    pointer-events: none;
}

#upload-zone .primary-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--spacing-xs);
}

#upload-zone .secondary-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================================================
   PROGRESS DISPLAY
   ============================================================================ */

#progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-xl);
    border: 2px solid var(--accent);
    background: var(--accent-light);
    text-align: center;
    min-height: 200px;
}

#progress-wrapper {
    margin-top: var(--spacing-md);
}

#progress-step {
    font-family: var(--font-grotesk);
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent);
    font-size: 1.125rem;
    display: block;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
}

#progress-text {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: block;
}

/* Animated Loader - Horizontal Dots */
.loader {
    width: 90px;
    height: 14px;
    box-shadow: 0 3px 0 #fff;
    display: grid;
}

.loader:before,
.loader:after {
    content: "";
    grid-area: 1/1;
    background: radial-gradient(circle closest-side, var(--c, var(--accent)) 92%, #0000) 0 0/calc(100%/4) 100%;
    animation: l4 1s infinite linear;
}

.loader:after {
    --c: #000;
    background-color: #fff;
    box-shadow: 0 -2px 0 0 #fff;
    clip-path: inset(-2px calc(50% - 10px));
}

@keyframes l4 {
    100% {
        background-position: calc(100%/3) 0;
    }
}

/* ============================================================================
   RESULTS DISPLAY
   ============================================================================ */

#results {
    display: none;
}

.company-header {
    padding: var(--spacing-lg);
    border: 2px solid #E0E0E0;
    background: #F9F9F9;
    color: #000000;
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-xl);
}

.terminal-line {
    margin: var(--spacing-xs) 0;
    font-size: 0.875rem;
    color: #000000;
}

.terminal-prompt {
    color: #666666;
    font-weight: 700;
}

.company-name {
    color: #000000;
    font-weight: 700;
    display: inline;
}

.terminal-stats {
    color: #666666;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
}

.terminal-stat {
    display: inline-block;
    margin-right: var(--spacing-md);
}

/* ============================================================================
   TABLES & CAP TABLE
   ============================================================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

th, td {
    text-align: left;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

th {
    font-weight: 700;
    background: #F5F5F5;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

tr:hover {
    background: var(--accent-light);
}

/* Cap Table Progress Bars */
.ownership-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.ownership-bar {
    flex: 3;
    min-width: 150px;
    height: 20px;
    background: #CDDEE9;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.ownership-fill {
    height: 100%;
    background: #294B71;
    transition: width 0.3s ease;
}

.ownership-text {
    font-weight: 700;
    color: #294B71;
    min-width: 55px;
    text-align: right;
    flex-shrink: 0;
}

/* Total row styling */
tr.total-row {
    font-weight: 700;
    background: #F5F5F5;
    border-top: 2px solid #294B71;
}

tr.total-row:hover {
    background: #F5F5F5;
}

/* ============================================================================
   TIMELINE - VERTICAL WITH DOTS
   ============================================================================ */

.timeline-event {
    display: grid;
    grid-template-columns: 110px 20px 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.timeline-event:not(:last-child) .timeline-dot::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    width: 2px;
    height: calc(100% + var(--spacing-sm));
    background: #CDDEE9;
    transform: translateX(-50%);
}

.timeline-date {
    font-family: var(--font-mono);
    font-weight: 700;
    color: #294B71;
    font-size: 0.75rem;
    text-align: right;
}

.timeline-dot {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 3px;
}

.timeline-dot::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #294B71;
    border: 2px solid var(--bg);
    box-shadow: 0 0 0 2px #294B71;
    position: relative;
    z-index: 1;
}

.timeline-description {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text);
    line-height: 1.5;
}

/* ============================================================================
   ISSUES
   ============================================================================ */

.issue {
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    border-left: 4px solid var(--accent);
    background: var(--accent-light);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.issue.critical {
    border-left-width: 6px;
    border-left-color: var(--accent);
    background: var(--accent-light);
}

.issue.warning {
    border-left-color: #FFA500;
    background: rgba(255, 165, 0, 0.1);
}

.issue.note {
    border-left-color: var(--text-secondary);
    background: rgba(102, 102, 102, 0.1);
}

.issue-category {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.issue-description {
    color: var(--text);
}

/* ============================================================================
   DOCUMENT LIST - CARD GRID
   ============================================================================ */

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.document-category {
    border: 1px solid var(--border);
    border-top: 4px solid #294B71;
    padding: var(--spacing-md);
    background: var(--bg);
}

.document-category h3 {
    font-size: 0.875rem;
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    user-select: none;
}

.document-category h3::before {
    content: '▶';
    display: inline-block;
    margin-right: var(--spacing-xs);
    transition: transform 0.2s ease;
    font-size: 0.75rem;
}

.document-category.expanded h3::before {
    transform: rotate(90deg);
}

.document-category.collapsed .document-list {
    display: none;
}

.doc-count {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.75rem;
}

.document-list {
    list-style: none;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.document-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.document-list li:last-child {
    border-bottom: none;
}

.error-badge {
    color: var(--accent);
    font-weight: 700;
    margin-left: var(--spacing-xs);
}

.verification-badge {
    font-size: 0.625rem;
    padding: 2px 4px;
    margin-left: var(--spacing-xs);
    border-radius: 2px;
    font-weight: 700;
}

.verification-high {
    background: rgba(0, 200, 0, 0.15);
    color: #008000;
}

.verification-low {
    background: rgba(255, 165, 0, 0.15);
    color: #FFA500;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

button, .button {
    font-family: var(--font-grotesk);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    background: var(--accent);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    transition: opacity 0.2s ease;
    font-size: 0.875rem;
}

button:hover:not(:disabled), .button:hover {
    opacity: 0.85;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-accent {
    color: var(--accent);
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    body {
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .timeline-event {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .timeline-date {
        font-size: 0.75rem;
    }
}