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

:root {
    --bg: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f3460;
    --text: #e0e0e0;
    --text-muted: #8a8a9a;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --border: #2a2a4a;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* === Navbar === */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.nav-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-links a { color: var(--text-muted); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); }
.nav-user { color: var(--text-muted); font-size: 0.85rem; }

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.btn:hover { background: var(--bg-input); }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }

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

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

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

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

/* === Forms === */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
}

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

/* === Auth === */
.auth-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.auth-container h1 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-form .btn-primary {
    width: 100%;
    margin-top: 0.5rem;
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.error-msg {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: 0.9rem;
}

/* === Dashboard === */
.dashboard h1 { margin-bottom: 1.5rem; }

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.dashboard-card {
    display: block;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s, transform 0.2s;
}

.dashboard-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.dashboard-card h2 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.dashboard-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* === Card Grid === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.card-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
    cursor: pointer;
}

.card-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.card-item img {
    width: 100%;
    display: block;
}

.card-item .card-info {
    padding: 0.5rem;
}

.card-item .card-name {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-item .card-set {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-item .card-qty {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-top: 0.25rem;
}

/* === Search / Filter Bar === */
.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: end;
}

.filter-bar .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 150px;
}

.filter-bar .btn { align-self: end; }

/* === Deck View === */
.deck-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.deck-section h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.deck-list {
    list-style: none;
}

.deck-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

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

/* Status badges */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-owned { background: rgba(46, 204, 113, 0.2); color: var(--success); }
.badge-missing { background: rgba(231, 76, 60, 0.2); color: var(--danger); }
.badge-partial { background: rgba(243, 156, 18, 0.2); color: var(--warning); }
.badge-buy { background: rgba(52, 152, 219, 0.2); color: #3498db; }

/* === Loading === */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

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

.loading-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
    gap: 1rem;
}

/* === Toast notifications === */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    z-index: 200;
    animation: slideUp 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.toast-success { border-color: var(--success); }
.toast-error { border-color: var(--danger); }

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* === Empty state === */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state p { margin-bottom: 1rem; }

/* === Responsive === */
@media (max-width: 768px) {
    .navbar { padding: 0.5rem 1rem; }
    .nav-links { gap: 0.5rem; font-size: 0.85rem; }
    .container { padding: 1rem; }
    .card-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.75rem; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
    .filter-bar .form-group { min-width: 100%; }
    .deck-list li { font-size: 0.85rem; gap: 0.5rem; }

    /* Stack deck view columns on mobile */
    [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns: repeat(auto-fit"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    .card-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 0.5rem; }
    .card-item .card-info { padding: 0.3rem; }
    .card-item .card-name { font-size: 0.75rem; }
    .nav-brand { font-size: 1rem; }
    h1 { font-size: 1.3rem; }
}