/**
 * Triplo Press Admin - Base Styles
 */

:root {
    /* Colors */
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface2: #1a1a25;
    --surface3: #22222f;
    --border: #2a2a3a;
    
    --text: #e8e8e8;
    --text-dim: #888;
    --text-muted: #555;
    
    --primary: #4a9eff;
    --primary-hover: #3a8eef;
    --primary-dim: rgba(74, 158, 255, 0.15);
    
    --success: #4ade80;
    --success-dim: rgba(74, 222, 128, 0.15);
    
    --warning: #fbbf24;
    --warning-dim: rgba(251, 191, 36, 0.15);
    
    --danger: #ef4444;
    --danger-dim: rgba(239, 68, 68, 0.15);
    
    /* Spacing */
    --sidebar-width: 260px;
    --header-height: 70px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.4);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

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

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    color: var(--text-dim);
    text-decoration: none;
    margin-bottom: 4px;
    transition: all 0.2s;
}

.nav-item:hover {
    background: var(--surface2);
    color: var(--text);
    text-decoration: none;
}

.nav-item.active {
    background: var(--primary-dim);
    color: var(--primary);
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.nav-label {
    font-size: 14px;
    font-weight: 500;
}

.nav-section {
    margin-top: 16px;
    margin-bottom: 8px;
    padding: 0 8px;
}

.nav-section:first-child {
    margin-top: 0;
}

.nav-section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-details {
    min-width: 0;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 12px;
    color: var(--text-dim);
}

.logout-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.logout-btn:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
    text-decoration: none;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.page-header p {
    font-size: 14px;
    color: var(--text-dim);
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-time {
    font-size: 14px;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
}

.page-content {
    flex: 1;
    padding: 30px;
}

/* ==================== COMPONENTS ==================== */

/* Sections */
.section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
}

/* Module Cards Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.module-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
}

.module-card:hover {
    background: var(--surface2);
    border-color: var(--primary);
    transform: translateY(-2px);
    text-decoration: none;
}

.module-icon {
    width: 50px;
    height: 50px;
    background: var(--surface2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.module-info {
    flex: 1;
    min-width: 0;
}

.module-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.module-info p {
    font-size: 13px;
    color: var(--text-dim);
}

.module-arrow {
    color: var(--text-dim);
    font-size: 18px;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.info-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}

.info-label {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
}

/* Activity List */
.activity-list {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 32px;
    height: 32px;
    background: var(--surface2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-text {
    font-size: 14px;
    margin-bottom: 2px;
}

.activity-time {
    font-size: 12px;
    color: var(--text-dim);
}

/* ==================== FORMS ==================== */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row > * {
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: var(--surface2);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface3);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ==================== UTILITIES ==================== */

.text-dim { color: var(--text-dim); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.hidden { display: none !important; }

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

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .page-header {
        padding: 16px 20px;
    }
    
    .page-content {
        padding: 20px;
    }
    
    .page-header h1 {
        font-size: 20px;
    }
}