/* ============================================
   FoodK POS - Components
   المكونات المشتركة
   ============================================ */

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
    padding: var(--space-3) var(--space-5); font-family: var(--font-heading); font-size: var(--text-sm);
    font-weight: 600; border: none; border-radius: var(--radius-lg); cursor: pointer;
    transition: all var(--transition-fast); white-space: nowrap; text-decoration: none; line-height: 1.4;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 2px 8px rgba(59,130,246,0.3); }
.btn-primary:hover { box-shadow: 0 4px 16px rgba(59,130,246,0.4); transform: translateY(-1px); }
.btn-success { background: linear-gradient(135deg, var(--success), #059669); color: #fff; box-shadow: 0 2px 8px rgba(16,185,129,0.3); }
.btn-success:hover { box-shadow: 0 4px 16px rgba(16,185,129,0.4); transform: translateY(-1px); }
.btn-danger { background: linear-gradient(135deg, var(--danger), #dc2626); color: #fff; box-shadow: 0 2px 8px rgba(239,68,68,0.3); }
.btn-danger:hover { box-shadow: 0 4px 16px rgba(239,68,68,0.4); transform: translateY(-1px); }
.btn-warning { background: linear-gradient(135deg, var(--warning), #d97706); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); }
.btn-outline:hover { background: var(--bg-card-hover); border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.btn-sm { padding: var(--space-2) var(--space-3); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius-lg); }
.btn-icon.btn-sm { width: 32px; height: 32px; }

/* === Cards === */
.card {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl);
    padding: var(--space-6); transition: all var(--transition-base);
}
.card:hover { border-color: rgba(59,130,246,0.2); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); padding-bottom: var(--space-4); border-bottom: 1px solid var(--border-light); }
.card-title { font-family: var(--font-heading); font-size: var(--text-lg); font-weight: 700; }

/* === Stats Cards === */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); margin-bottom: var(--space-6); }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl);
    padding: var(--space-5); display: flex; align-items: center; gap: var(--space-4);
    transition: all var(--transition-base); position: relative; overflow: hidden;
}
.stat-card::before { content: ''; position: absolute; top: 0; right: 0; width: 4px; height: 100%; border-radius: 0 var(--radius-xl) var(--radius-xl) 0; }
.stat-card.blue::before { background: var(--primary); }
.stat-card.green::before { background: var(--success); }
.stat-card.orange::before { background: var(--warning); }
.stat-card.red::before { background: var(--danger); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-icon { width: 50px; height: 50px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.stat-card.blue .stat-icon { background: var(--primary-light); }
.stat-card.green .stat-icon { background: var(--success-light); }
.stat-card.orange .stat-icon { background: var(--warning-light); }
.stat-card.red .stat-icon { background: var(--danger-light); }
.stat-info { flex: 1; }
.stat-label { font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: var(--space-1); }
.stat-value { font-family: var(--font-heading); font-size: var(--text-2xl); font-weight: 700; }

/* === Modals === */
.modal-overlay {
    position: fixed; inset: 0; background: var(--bg-modal-overlay); z-index: var(--z-modal);
    display: flex; align-items: center; justify-content: center; padding: var(--space-4);
    opacity: 0; visibility: hidden; transition: all var(--transition-base);
    backdrop-filter: blur(4px);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal {
    background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius-2xl);
    width: 100%; max-width: 500px; max-height: 90vh;
    display: flex; flex-direction: column;
    transform: scale(0.9) translateY(20px); transition: transform var(--transition-base);
    box-shadow: var(--shadow-xl); overflow: hidden;
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.modal-title { font-family: var(--font-heading); font-size: var(--text-xl); font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; padding: var(--space-2); border-radius: var(--radius-md); transition: all var(--transition-fast); }
.modal-close:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.modal-body { padding: var(--space-5) var(--space-6); overflow-y: auto; flex: 1; min-height: 0; }
.modal-footer {
    display: flex; align-items: center; justify-content: flex-start; gap: var(--space-3);
    padding: var(--space-4) var(--space-6); border-top: 1px solid var(--border-color);
    flex-shrink: 0; background: var(--bg-surface);
}
.modal-footer .btn { flex: 1; }
.modal.modal-lg { max-width: 700px; }
.modal.modal-sm { max-width: 400px; }

/* === Badges === */
.badge {
    display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs); font-weight: 600; border-radius: var(--radius-full);
    font-family: var(--font-heading);
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--info-light); color: var(--info); }

/* === Toasts === */
.toast-container { position: fixed; top: var(--space-6); left: var(--space-6); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-3); }
.toast {
    display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5);
    background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg); animation: slideInRight var(--transition-base) ease; min-width: 300px;
    font-size: var(--text-sm); font-weight: 500;
}
.toast.success { border-right: 4px solid var(--success); }
.toast.error { border-right: 4px solid var(--danger); }
.toast.warning { border-right: 4px solid var(--warning); }
.toast.info { border-right: 4px solid var(--info); }
.toast-icon { font-size: 1.2rem; }
.toast-close { margin-right: auto; background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.1rem; }

/* === Loading Spinner === */
.spinner { width: 24px; height: 24px; border: 3px solid var(--border-color); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
.spinner-lg { width: 40px; height: 40px; border-width: 4px; }
.loading-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.3); display: flex; align-items: center; justify-content: center; border-radius: inherit; z-index: 10; }

/* === Toggle Switch === */
.toggle { position: relative; display: inline-flex; width: 48px; height: 26px; cursor: pointer; }
.toggle input { display: none; }
.toggle-slider { position: absolute; inset: 0; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-full); transition: all var(--transition-fast); }
.toggle-slider::before { content: ''; position: absolute; width: 20px; height: 20px; border-radius: 50%; background: var(--text-muted); top: 2px; right: 2px; transition: all var(--transition-fast); }
.toggle input:checked + .toggle-slider { background: var(--primary); border-color: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(-22px); background: #fff; }

/* === Search Input === */
.search-box { position: relative; }
.search-box .form-control { padding-right: 40px; }
.search-box .search-icon { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }

/* === Tabs === */
.tabs { display: flex; gap: var(--space-1); border-bottom: 1px solid var(--border-color); margin-bottom: var(--space-6); overflow-x: auto; }
.tab-item {
    padding: var(--space-3) var(--space-5); font-family: var(--font-heading); font-size: var(--text-sm);
    font-weight: 600; color: var(--text-muted); border-bottom: 2px solid transparent;
    cursor: pointer; white-space: nowrap; transition: all var(--transition-fast);
}
.tab-item:hover { color: var(--text-primary); }
.tab-item.active { color: var(--primary); border-bottom-color: var(--primary); }

/* === Theme Toggle Btn === */
.theme-toggle {
    width: 40px; height: 40px; border-radius: var(--radius-lg); border: 1px solid var(--border-color);
    background: var(--bg-card); display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 1.2rem; transition: all var(--transition-fast); color: var(--text-secondary);
}
.theme-toggle:hover { background: var(--bg-card-hover); color: var(--warning); border-color: var(--warning); }

/* === Confirmation Dialog === */
.confirm-dialog .modal { max-width: 400px; text-align: center; }
.confirm-dialog .modal-body { padding: var(--space-8) var(--space-6); }
.confirm-dialog .confirm-icon { font-size: 3rem; margin-bottom: var(--space-4); }
.confirm-dialog .confirm-text { font-size: var(--text-lg); color: var(--text-primary); margin-bottom: var(--space-2); font-family: var(--font-heading); font-weight: 600; }
.confirm-dialog .confirm-subtext { font-size: var(--text-sm); color: var(--text-secondary); }
.confirm-dialog .modal-footer { justify-content: center; }