/* Reset & Base */
:root {
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --bg-body: #f1f5f9;
    --bg-sidebar: #1e293b;
    --bg-card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

button {
    font-family: inherit;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    width: 100%;
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

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

.nav-icon {
    width: 20px;
    height: 20px;
}

.user-profile {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    object-fit: cover;
}

.user-details {
    flex: 1;
    overflow: hidden;
}

.user-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sign-out-link {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 12px;
    cursor: pointer;
    padding: 0;
}

.sign-out-link:hover {
    color: white;
    text-decoration: underline;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    max-width: 1600px;
    width: 100%;
}

/* Header */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.header-actions {
    display: flex;
    gap: 16px;
}

.search-box {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-box input {
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 300px;
    font-size: 14px;
    transition: all 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.select-input {
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -1px;
}

/* Filters */
.filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.filter-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-tab:hover {
    color: var(--text-main);
    background: rgba(0,0,0,0.05);
}

.filter-tab.active {
    background: #eff6ff;
    color: var(--primary);
}

/* Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.card-thumbnail {
    height: 180px;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.card-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 16px;
}

.badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-priority-high { background: #fee2e2; color: #991b1b; }
.badge-priority-medium { background: #fef3c7; color: #92400e; }
.badge-priority-low { background: #d1fae5; color: #065f46; }

.badge-status-open { background: #eff6ff; color: #1e40af; }
.badge-status-closed { background: #f1f5f9; color: #475569; }

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon-bg {
    width: 64px;
    height: 64px;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.empty-icon {
    width: 32px;
    height: 32px;
    color: var(--text-muted);
}

/* Modals */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.active {
    display: flex;
}

.modal-container {
    background: white;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow-y: auto;
    position: relative;
    padding: 32px;
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: #f1f5f9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-muted);
    transition: all 0.2s;
}

.modal-close:hover {
    background: #e2e8f0;
    color: var(--text-main);
}

/* Detail Modal Styles */
.detail-header {
    margin-bottom: 32px;
}

.detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-muted);
    font-size: 14px;
}

.detail-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-section {
    margin-bottom: 32px;
}

.detail-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.detail-content {
    color: #475569;
    line-height: 1.6;
}

.detail-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.detail-image {
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}

.detail-image:hover {
    transform: scale(1.02);
}

/* States */
.state-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.auth-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
}

.auth-card h2 { margin-bottom: 8px; }
.auth-card p { color: var(--text-muted); margin-bottom: 24px; }

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

/* Access Codes Styles */
.access-codes-header {
    margin-bottom: 24px;
    display: flex;
    justify-content: flex-end;
}

.code-title {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin: 0;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.code-team {
    font-size: 14px;
    color: #6b7280;
    margin: 4px 0 0 0;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background: #d1fae5;
    color: #065f46;
}

.status-inactive {
    background: #fee2e2;
    color: #991b1b;
}

.status-expired {
    background: #fef3c7;
    color: #92400e;
}

.code-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    font-weight: 600;
}

.stat-value {
    font-size: 16px;
    color: #111827;
    font-weight: 600;
}

.code-actions {
    display: flex;
    gap: 8px;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-danger {
    background: #dc2626;
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

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

.form-group small {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #6b7280;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; padding: 16px; }
    .content-header { flex-direction: column; align-items: flex-start; gap: 16px; }
    .header-actions { width: 100%; flex-direction: column; }
    .search-box input { width: 100%; }
}