/* ============================================================
   GameReps League Manager — Components
   ============================================================ */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 44px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:disabled, .btn.loading { opacity: 0.6; cursor: not-allowed; pointer-events: none; }
.btn.loading .btn-text { visibility: hidden; }
.btn.loading::after {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.btn { position: relative; }

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

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

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #B52828; }

.btn-ghost { background: none; color: var(--color-primary); border: none; padding: 10px 12px; }
.btn-ghost:hover { background: var(--color-primary-bg); }

.btn-sm { min-height: 36px; padding: 6px 14px; font-size: 13px; }
.btn-lg { min-height: 52px; padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-icon { min-width: 44px; padding: 10px; }

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

/* --- Form Elements --- */
.form-group {
    margin-bottom: var(--space-md);
}
.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}
.form-label .required { color: var(--color-danger); }
.form-input, .form-select, .form-textarea {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    font-size: 16px; /* Prevents iOS zoom */
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}
.form-input.error, .form-select.error, .form-textarea.error {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}
.form-textarea {
    min-height: 120px;
    resize: vertical;
}
.form-error {
    font-size: 13px;
    color: var(--color-danger);
    margin-top: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
.form-hint {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}
.form-row {
    display: flex;
    gap: var(--space-md);
}
@media (max-width: 767px) {
    .form-row { flex-direction: column; gap: 0; }
}

/* --- Cards --- */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md);
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}
.card-header h3 { font-size: 16px; }

/* Stat cards (summary row) */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.stat-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}
.stat-card .stat-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: #8B6914; }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-neutral { background: var(--color-surface); color: var(--color-text-secondary); }

/* --- Tables (desktop) --- */
.table-container { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}
.data-table th:hover { color: var(--color-text); }
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.data-table tr:hover td { background: var(--color-surface); }
.data-table .actions { text-align: right; white-space: nowrap; }

/* Mobile: table to card conversion */
@media (max-width: 767px) {
    .data-table.responsive thead { display: none; }
    .data-table.responsive tr {
        display: block;
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: var(--space-sm);
        padding: var(--space-sm);
    }
    .data-table.responsive td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 8px;
        border: none;
        font-size: 14px;
    }
    .data-table.responsive td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 12px;
        color: var(--color-text-secondary);
        text-transform: uppercase;
        letter-spacing: 0.3px;
        flex-shrink: 0;
        margin-right: var(--space-md);
    }
}

/* --- Tabs --- */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.tabs a, .tabs button {
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border: none;
    background: none;
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
    text-decoration: none;
}
.tabs a:hover, .tabs button:hover {
    color: var(--color-text);
    text-decoration: none;
}
.tabs a.active, .tabs button.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}
@media (max-width: 767px) {
    .toast-container { left: var(--space-md); right: var(--space-md); max-width: none; }
}
.toast {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    animation: slideIn 0.2s ease;
    cursor: pointer;
}
.toast-success { background: var(--color-success); color: #fff; }
.toast-error { background: var(--color-danger); color: #fff; }
.toast-info { background: var(--color-info); color: #fff; }
.toast .toast-undo {
    margin-left: auto;
    background: rgba(255,255,255,0.25);
    border: none;
    color: #fff;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: var(--space-md);
    animation: fadeIn 0.15s ease;
}
.modal {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-lg);
}
@media (max-width: 767px) {
    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal {
        max-width: none;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 85vh;
        padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0));
    }
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}
.modal-header h2 { font-size: 18px; }
.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    line-height: 1;
}
.modal-footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    margin-top: var(--space-lg);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* --- Empty States --- */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
}
.empty-state .empty-icon {
    font-size: 48px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}
.empty-state h3 {
    font-size: 18px;
    margin-bottom: var(--space-sm);
}
.empty-state p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Skeleton Loading --- */
.skeleton {
    background: linear-gradient(90deg, var(--color-surface) 25%, #edf0f4 50%, var(--color-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
.skeleton-text { height: 16px; margin-bottom: var(--space-sm); }
.skeleton-text.short { width: 60%; }
.skeleton-text.medium { width: 80%; }
.skeleton-heading { height: 24px; width: 40%; margin-bottom: var(--space-md); }
.skeleton-card { height: 80px; margin-bottom: var(--space-sm); border-radius: var(--radius-md); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* --- Steps Indicator --- */
.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}
.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    transition: all 0.2s;
}
.step-dot.active { background: var(--color-primary); transform: scale(1.2); }
.step-dot.done { background: var(--color-success); }

/* --- Checklist (onboarding) --- */
.checklist {
    list-style: none;
}
.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    transition: all 0.15s;
}
.checklist-item:hover { border-color: var(--color-primary); }
.checklist-item.done { background: var(--color-success-bg); border-color: var(--color-success); }
.checklist-item .check-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
    color: transparent;
}
.checklist-item.done .check-circle {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}
.checklist-item .check-content { flex: 1; }
.checklist-item .check-content h4 { font-size: 15px; font-weight: 600; }
.checklist-item .check-content p { font-size: 13px; color: var(--color-text-secondary); margin-top: 2px; }

/* --- Dropdown / Overflow Menu --- */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: var(--space-xs);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 50;
    display: none;
}
.dropdown-menu.open { display: block; }
.dropdown-menu a, .dropdown-menu button {
    display: block;
    width: 100%;
    padding: 8px 14px;
    font-size: 14px;
    color: var(--color-text);
    border: none;
    background: none;
    cursor: pointer;
    text-align: left;
    text-decoration: none;
}
.dropdown-menu a:hover, .dropdown-menu button:hover {
    background: var(--color-surface);
    text-decoration: none;
}
.dropdown-menu .danger { color: var(--color-danger); }

/* --- Divider --- */
.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-md) 0;
}

/* --- Alert Banner --- */
.alert {
    padding: 12px var(--space-md);
    border-radius: var(--radius-md);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}
.alert-success { background: var(--color-success-bg); color: var(--color-success); }
.alert-warning { background: var(--color-warning-bg); color: #8B6914; }
.alert-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.alert-info { background: var(--color-info-bg); color: var(--color-info); }