/* SafeShare Enterprise - Design System matching SafeShare Community (fs.iteac.ru) */
:root {
    /* Palette */
    --bg-base: #0d1117;
    --bg-surface: #161b22;
    --bg-surface-hover: #21262d;
    --border-color: #30363d;
    --border-subtle: #21262d;
    
    /* Accents */
    --accent-primary: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-enterprise: #818cf8;
    --accent-enterprise-glow: rgba(129, 140, 248, 0.2);
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    --text-bright: #f0f6fc;
    
    /* Statuses */
    --success-color: #238636;
    --success-bg: rgba(35, 134, 54, 0.15);
    --error-color: #f85149;
    --error-bg: rgba(248, 81, 73, 0.12);
    --warning-color: #d29922;
    --warning-bg: rgba(210, 153, 34, 0.15);

    /* Fonts & Radii */
    --font-ui: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-ui);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Community Cross-Link Banner */
.community-banner-bar {
    background: linear-gradient(90deg, rgba(56, 189, 248, 0.08) 0%, rgba(129, 140, 248, 0.12) 100%);
    border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    padding: 10px 0;
    font-size: 13px;
    text-align: center;
}

.community-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.community-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 3px 10px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 6px;
    transition: var(--transition);
}

.community-link:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: var(--accent-primary);
    color: #ffffff;
}

/* Header */
.header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    font-size: 28px;
    color: var(--accent-primary);
    background: rgba(56, 189, 248, 0.1);
    padding: 8px 10px;
    border-radius: var(--radius);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.brand-title-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: -0.5px;
}

.badge-enterprise {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    box-shadow: 0 0 12px var(--accent-enterprise-glow);
}

.header-status {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-base);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #22c55e;
    box-shadow: 0 0 8px #22c55e;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

/* Main Layout */
.main-wrapper {
    flex: 1;
    padding: 40px 0 60px;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 32px;
    align-items: start;
}

/* Card Styles */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.card-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-bright);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title i {
    color: var(--accent-primary);
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Tabs */
.tabs-nav {
    display: flex;
    gap: 8px;
    background: var(--bg-base);
    padding: 4px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.tab-btn {
    flex: 1;
    padding: 8px 14px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-bright);
    background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
    background: var(--bg-surface-hover);
    color: var(--accent-primary);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Form Controls */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 6px;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.form-input, .form-select {
    width: 100%;
    padding: 10px 14px 10px 40px;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-bright);
    font-family: var(--font-ui);
    font-size: 14px;
    transition: var(--transition);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-input::placeholder {
    color: #484f58;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0 22px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
}

.checkbox-group input {
    accent-color: var(--accent-primary);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    padding: 12px 18px;
    background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: var(--radius);
    color: #ffffff;
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-submit:hover {
    background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Alert Box */
.alert-box {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius);
    font-size: 13px;
    line-height: 1.5;
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-danger {
    background: var(--error-bg);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: #ff7b72;
}

.alert-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    margin-bottom: 6px;
}

.incident-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(248, 81, 73, 0.2);
    color: var(--text-muted);
}

/* Right Column: Features & Matrix */
.hero-desc {
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 24px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.feature-icon {
    font-size: 18px;
    color: var(--accent-primary);
    padding: 6px;
    background: rgba(56, 189, 248, 0.08);
    border-radius: 6px;
    flex-shrink: 0;
}

.feature-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-bright);
}

.feature-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Comparison Table */
.matrix-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.matrix-table th, .matrix-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.matrix-table th {
    background: #11161d;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.matrix-table th.highlight-col {
    color: var(--accent-enterprise);
}

.matrix-table td:last-child {
    font-weight: 600;
    color: #a5b4fc;
}

/* Footer */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    margin-top: auto;
    font-size: 12px;
    color: var(--text-muted);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-primary);
}

/* Responsive */
@media (max-width: 900px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-status {
        width: 100%;
        justify-content: space-between;
    }
}