/**
 * MTG Collection Manager - Component Styles
 * Reusable UI components: buttons, cards, forms, tables, etc.
 */

/* ============================================================
   CARDS
   ============================================================ */

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.1);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

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

.btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

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

.btn-danger:hover {
    background: #c0392b;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

/* ============================================================
   GRID SYSTEM
   ============================================================ */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   TABLES
   ============================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.02);
}

.table tr:hover td {
    background: rgba(212, 175, 55, 0.02);
}

/* ============================================================
   ALERTS
   ============================================================ */

.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    border: 1px solid;
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    border-color: var(--color-danger);
    color: #e74c3c;
}

.alert-success {
    background: rgba(46, 204, 113, 0.1);
    border-color: var(--color-success);
    color: #2ecc71;
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    border-color: var(--color-info);
    color: #3498db;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 3px;
}

.badge-foil {
    background: linear-gradient(135deg, #a8e6cf 0%, #88d8b0 50%, #a8e6cf 100%);
    color: #1a1a1a;
}

.badge-rarity-mythic {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.badge-rarity-rare {
    background: linear-gradient(135deg, #f39c12 0%, #d68910 100%);
    color: white;
}

.badge-rarity-uncommon {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    color: white;
}

.badge-rarity-common {
    background: linear-gradient(135deg, #5d6d7e 0%, #4a5568 100%);
    color: #d1d5db;
}

.price {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-gold);
}

/* ============================================================
   LOADING INDICATORS
   ============================================================ */

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gold);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-small {
    width: 14px;
    height: 14px;
    border-width: 2px;
}

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

.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

/* ============================================================
   UPLOAD AREA
   ============================================================ */

.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 3rem;
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--color-gold);
    background: rgba(212, 175, 55, 0.02);
}

.upload-area input[type="file"] {
    display: none;
}

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

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 1rem; }