/* ============================================================
   Korea Games Economy - Component Styles (Redesign)
   ============================================================ */

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    border-color: #2a3a52;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    font-weight: 700;
    font-size: 15px;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

/* Stat card (dashboard metrics) */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), #8b5cf6);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.stat-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2), 0 8px 24px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card .stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
}

.stat-card .stat-change {
    font-size: 13px;
    margin-top: 6px;
    font-weight: 600;
}

.stat-card .stat-icon {
    font-size: 22px;
    float: right;
    margin-top: -4px;
    opacity: 0.7;
}

/* --- Tables --- */
.table {
    color: var(--text-primary);
    border-color: var(--border-color);
    margin-bottom: 0;
    width: 100%;
}

.table thead th {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 12px 20px;
    white-space: nowrap;
}

.table tbody td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-size: 14px;
}

.table tbody tr {
    transition: background 0.12s ease;
}

.table tbody tr:hover {
    background: var(--bg-card-hover);
}

.table-clickable tbody tr {
    cursor: pointer;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* --- Buttons --- */
.btn {
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 10px;
    transition: all 0.15s ease;
    cursor: pointer;
    border: 1px solid transparent;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    line-height: 1.5;
    white-space: nowrap;
}

.btn:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.btn-success, .btn-buy {
    background: var(--color-gain);
    border-color: var(--color-gain);
    color: #fff;
    box-shadow: 0 2px 8px rgba(52, 211, 153, 0.2);
}
.btn-success:hover, .btn-buy:hover {
    background: #2bc48c;
    border-color: #2bc48c;
}

.btn-danger, .btn-sell {
    background: var(--color-loss);
    border-color: var(--color-loss);
    color: #fff;
    box-shadow: 0 2px 8px rgba(248, 113, 113, 0.2);
}
.btn-danger:hover, .btn-sell:hover {
    background: #ef4444;
    border-color: #ef4444;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
    background: transparent;
}
.btn-outline-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-ghost:hover {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 8px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: 12px;
}

/* --- Forms --- */
.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 15px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

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

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: block;
}

.form-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.input-group-text {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
}

/* --- Badges --- */
.badge {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    letter-spacing: 0.02em;
}

.badge-gain, .badge-success {
    background: rgba(52, 211, 153, 0.12);
    color: var(--color-gain);
}

.badge-loss, .badge-danger {
    background: rgba(248, 113, 113, 0.12);
    color: var(--color-loss);
}

.badge-neutral {
    background: rgba(148, 163, 184, 0.12);
    color: var(--text-secondary);
}

.badge-info {
    background: rgba(96, 165, 250, 0.12);
    color: var(--color-info);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.12);
    color: var(--color-warning);
}

/* --- Alerts --- */
.alert {
    border-radius: var(--border-radius);
    border: 1px solid;
    font-size: 14px;
    padding: 14px 20px;
    font-weight: 500;
}

.alert-info {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.25);
    color: var(--color-info);
}

.alert-success {
    background: rgba(52, 211, 153, 0.08);
    border-color: rgba(52, 211, 153, 0.25);
    color: var(--color-gain);
}

.alert-danger {
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.25);
    color: var(--color-loss);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.08);
    border-color: rgba(251, 191, 36, 0.25);
    color: var(--color-warning);
}

/* --- Price display --- */
.price {
    font-family: var(--font-mono);
    font-weight: 700;
}

.price-up {
    color: var(--color-gain);
}

.price-down {
    color: var(--color-loss);
}

.price-change {
    font-size: 13px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
}

.price-change.up {
    background: rgba(52, 211, 153, 0.12);
    color: var(--color-gain);
}

.price-change.down {
    background: rgba(248, 113, 113, 0.12);
    color: var(--color-loss);
}

/* --- Modal overrides --- */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-lg);
}

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

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 16px 24px;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* --- Dropdown overrides --- */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
}

.dropdown-item {
    color: var(--text-primary);
    font-size: 14px;
    padding: 10px 16px;
}

.dropdown-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.dropdown-divider {
    border-color: var(--border-color);
}

/* --- Toast notification --- */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 200;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 14px 20px;
    margin-bottom: 10px;
    font-size: 14px;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

.toast.toast-success { border-left: 4px solid var(--color-gain); }
.toast.toast-error { border-left: 4px solid var(--color-loss); }
.toast.toast-info { border-left: 4px solid var(--color-info); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- Utility classes --- */
.gap-grid { display: grid; gap: 20px; }
.gap-grid-2 { grid-template-columns: repeat(2, 1fr); }
.gap-grid-3 { grid-template-columns: repeat(3, 1fr); }
.gap-grid-4 { grid-template-columns: repeat(4, 1fr); }

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

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

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(100, 116, 139, 0.3);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 116, 139, 0.5);
}

/* Selection */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}