/* =============================================
   BULK SMS AGENT SYSTEM - RESPONSIVE STYLES
   ============================================= */

/* ---------- TABLETS ---------- */
@media (max-width: 1024px) {
    .details-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .dashboard-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }
}

/* ---------- MOBILE (768px and below) ---------- */
@media (max-width: 768px) {
    /* Body */
    body {
        font-size: 14px;
    }
    
    .dashboard-container {
        padding: 12px !important;
    }
    
    /* Dashboard Header */
    .dashboard-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }
    
    .dashboard-header h1 {
        font-size: 20px !important;
        margin-bottom: 4px !important;
    }
    
    .dashboard-header .agent-code {
        font-size: 12px !important;
        padding: 2px 10px !important;
    }
    
    .dashboard-header .subtitle {
        font-size: 13px !important;
    }
    
    /* Stats Grid - 2 columns on tablet, 1 on phone */
    .stats-grid {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 10px !important;
    }
    
    /* Stat Cards */
    .stat-card {
        padding: 12px !important;
        gap: 10px !important;
        border-radius: 8px !important;
    }
    
    .stat-icon {
        width: 40px !important;
        height: 40px !important;
        font-size: 16px !important;
        border-radius: 8px !important;
    }
    
    .stat-info h3 {
        font-size: 16px !important;
    }
    
    .stat-info p {
        font-size: 11px !important;
        margin: 0 !important;
    }
    
    .stat-info small {
        font-size: 10px !important;
    }
    
    /* Tables - Horizontal scroll */
    .table-responsive {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    .table {
        font-size: 12px !important;
        min-width: 600px !important;
    }
    
    .table th,
    .table td {
        padding: 6px 8px !important;
        white-space: nowrap !important;
        font-size: 11px !important;
    }
    
    .table .badge {
        font-size: 9px !important;
        padding: 2px 6px !important;
    }
    
    /* Buttons */
    .btn {
        padding: 6px 12px !important;
        font-size: 12px !important;
        border-radius: 6px !important;
    }
    
    .btn-sm {
        padding: 4px 8px !important;
        font-size: 10px !important;
    }
    
    .btn-lg {
        padding: 10px 16px !important;
        font-size: 14px !important;
    }
    
    .btn-block {
        width: 100% !important;
        justify-content: center !important;
    }
    
    /* Cards */
    .card {
        border-radius: 8px !important;
        margin-bottom: 14px !important;
    }
    
    .card-header {
        padding: 10px 14px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 6px !important;
    }
    
    .card-header h3 {
        font-size: 14px !important;
        margin: 0 !important;
    }
    
    .card-body {
        padding: 12px !important;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: 12px !important;
    }
    
    .form-group label {
        font-size: 13px !important;
    }
    
    .form-control {
        font-size: 14px !important;
        padding: 8px 12px !important;
        border-radius: 6px !important;
    }
    
    .form-text {
        font-size: 11px !important;
    }
    
    .form-row {
        flex-direction: column !important;
        margin: 0 !important;
    }
    
    .form-row .form-group {
        padding: 0 !important;
        width: 100% !important;
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
    
    .col-md-2, .col-md-3, .col-md-4, .col-md-6, .col-md-7, .col-md-8 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
    }
    
    /* Modals */
    .modal {
        padding: 10px !important;
    }
    
    .modal-content {
        margin: 10px 0 !important;
        border-radius: 12px !important;
        max-width: 100% !important;
    }
    
    .modal-lg {
        max-width: 100% !important;
    }
    
    .modal-header {
        padding: 14px 16px !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    
    .modal-header h2 {
        font-size: 16px !important;
        margin: 0 !important;
    }
    
    .modal-body {
        padding: 16px !important;
    }
    
    .modal-body h3 {
        font-size: 14px !important;
        margin: 12px 0 8px 0 !important;
        padding-bottom: 6px !important;
    }
    
    .modal-body .form-actions {
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    .modal-body .form-actions .btn {
        width: 100% !important;
        justify-content: center !important;
    }
    
    /* Details Grid */
    .details-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    .detail-section {
        padding: 12px !important;
    }
    
    .detail-section p {
        font-size: 12px !important;
        margin: 2px 0 !important;
    }
    
    .detail-section p strong {
        min-width: 80px !important;
        font-size: 12px !important;
    }
    
    .update-section {
        grid-column: 1 !important;
    }
    
    /* Login/Register */
    .login-box,
    .register-box {
        padding: 24px 18px !important;
        border-radius: 12px !important;
    }
    
    .login-header h1,
    .register-header h1 {
        font-size: 22px !important;
    }
    
    .login-header .subtitle,
    .register-header .subtitle {
        font-size: 13px !important;
    }
    
    .login-logo,
    .register-logo {
        width: 80px !important;
        height: 80px !important;
        margin-bottom: 8px !important;
    }
    
    .login-form .form-options {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }
    
    .login-footer,
    .register-footer {
        font-size: 13px !important;
        padding-top: 12px !important;
        margin-top: 16px !important;
    }
    
    /* Alerts */
    .alert {
        padding: 10px 12px !important;
        font-size: 13px !important;
        border-radius: 6px !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    
    /* Pagination */
    .pagination .page-item .page-link {
        padding: 4px 8px !important;
        font-size: 12px !important;
    }
    
    /* Flash messages */
    .flash-messages .alert {
        font-size: 13px !important;
        padding: 10px 12px !important;
    }
    
    /* Bulk actions */
    .bulk-actions .form-row {
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    .bulk-actions .form-group {
        margin-bottom: 4px !important;
        padding: 0 !important;
        width: 100% !important;
    }
    
    .bulk-actions .text-right {
        text-align: left !important;
    }
    
    /* Notification popup */
    .notification-popup {
        max-width: 300px !important;
        padding: 14px !important;
        right: 10px !important;
        top: 10px !important;
        border-radius: 8px !important;
        gap: 10px !important;
    }
    
    .notification-popup .notification-icon {
        font-size: 24px !important;
        margin-right: 8px !important;
    }
    
    .notification-popup .notification-content h4 {
        font-size: 14px !important;
        margin: 0 0 2px 0 !important;
    }
    
    .notification-popup .notification-content p {
        font-size: 12px !important;
        margin: 0 !important;
    }
    
    .notification-popup .notification-content small {
        font-size: 10px !important;
    }
    
    .notification-popup .notification-close {
        font-size: 14px !important;
        padding: 2px !important;
    }
    
    /* Homepage */
    .hero-content h1 {
        font-size: 28px !important;
    }
    
    .hero-subtitle {
        font-size: 14px !important;
    }
    
    .hero-logo {
        width: 80px !important;
        height: 80px !important;
        padding: 12px !important;
    }
    
    .hero-actions {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
        padding: 0 16px !important;
    }
    
    .hero-actions .btn {
        width: 100% !important;
        justify-content: center !important;
    }
    
    .hero-features {
        grid-template-columns: 1fr 1fr !important;
        gap: 16px !important;
    }
    
    .hero-features .feature {
        padding: 14px !important;
    }
    
    .hero-features .feature i {
        font-size: 28px !important;
    }
    
    .hero-features .feature h3 {
        font-size: 14px !important;
    }
    
    .hero-features .feature p {
        font-size: 12px !important;
    }
    
    .hero-footer {
        font-size: 12px !important;
        margin-top: 30px !important;
        padding-top: 16px !important;
    }
    
    /* Filter Form */
    .filter-form {
        flex-direction: column !important;
        gap: 8px !important;
    }
    
    .filter-form .form-group {
        margin-bottom: 4px !important;
        padding: 0 !important;
        width: 100% !important;
    }
    
    .filter-form .form-row {
        flex-direction: column !important;
    }
    
    .filter-form .btn {
        width: 100% !important;
        justify-content: center !important;
    }
    
    .filter-form .text-right {
        text-align: left !important;
    }
    
    /* Search */
    input[type="text"].form-control,
    input[type="tel"].form-control,
    input[type="email"].form-control,
    input[type="password"].form-control,
    select.form-control {
        font-size: 16px !important; /* Prevents iOS zoom */
    }
    
    /* Empty State */
    .empty-state {
        padding: 30px 16px !important;
    }
    
    .empty-state i {
        font-size: 32px !important;
    }
    
    .empty-state p {
        font-size: 14px !important;
    }
    
    /* Sound Management */
    .sound-item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        padding: 10px 12px !important;
    }
    
    .sound-item .sound-actions {
        width: 100% !important;
        justify-content: flex-start !important;
        flex-wrap: wrap !important;
        gap: 4px !important;
    }
    
    .sound-item .sound-info {
        width: 100% !important;
        flex-wrap: wrap !important;
    }
    
    .sound-item .sound-name {
        font-size: 13px !important;
        word-break: break-all !important;
    }
    
    /* Preview Area */
    #previewArea audio {
        width: 100% !important;
        max-width: 100% !important;
    }
    
    /* Page Header */
    .admin-page .dashboard-header,
    .agent-page .dashboard-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 6px !important;
    }
    
    .admin-page .dashboard-header h1,
    .agent-page .dashboard-header h1 {
        font-size: 20px !important;
    }
    
    .admin-page .dashboard-header p,
    .agent-page .dashboard-header p {
        font-size: 13px !important;
    }
    
    /* Pagination wrapper */
    .pagination-wrapper {
        margin-top: 16px !important;
    }
    
    /* Badge */
    .badge {
        font-size: 10px !important;
        padding: 2px 8px !important;
    }
    
    /* Navbar */
    .navbar {
        padding: 0 12px !important;
    }
    
    .navbar-container {
        height: 56px !important;
        flex-wrap: wrap !important;
    }
    
    .navbar-brand {
        font-size: 15px !important;
        gap: 8px !important;
    }
    
    .navbar-brand img {
        height: 32px !important;
        width: 32px !important;
    }
    
    .navbar-toggle {
        display: flex !important;
    }
    
    .navbar-menu {
        display: none !important;
        position: absolute !important;
        top: 56px !important;
        left: 0 !important;
        right: 0 !important;
        background: #ffffff !important;
        border-bottom: 1px solid #e2e8f0 !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
        padding: 8px 0 !important;
        z-index: 999 !important;
    }
    
    .navbar-menu.active {
        display: block !important;
    }
    
    .navbar-menu ul {
        flex-direction: column !important;
        padding: 0 16px !important;
        gap: 0 !important;
    }
    
    .navbar-menu ul li {
        width: 100% !important;
    }
    
    .navbar-menu ul li a {
        padding: 12px 16px !important;
        width: 100% !important;
        display: block !important;
        font-size: 14px !important;
        border-radius: 4px !important;
    }
    
    .navbar-menu ul li a i {
        font-size: 16px !important;
        width: 24px !important;
        text-align: center !important;
    }
    
    .notifications-dropdown .dropdown-menu {
        position: static !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        min-width: 100% !important;
        max-height: 200px !important;
    }
    
    .badge-admin {
        font-size: 9px !important;
        padding: 1px 6px !important;
    }
}

/* ---------- SMALL PHONES (480px and below) ---------- */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
    }
    
    .stat-card {
        padding: 10px !important;
        gap: 8px !important;
    }
    
    .stat-icon {
        width: 32px !important;
        height: 32px !important;
        font-size: 14px !important;
        border-radius: 6px !important;
    }
    
    .stat-info h3 {
        font-size: 14px !important;
    }
    
    .stat-info p {
        font-size: 10px !important;
    }
    
    .stat-info small {
        font-size: 9px !important;
    }
    
    .dashboard-header h1 {
        font-size: 18px !important;
    }
    
    .dashboard-header .agent-code {
        font-size: 11px !important;
    }
    
    .login-box,
    .register-box {
        padding: 16px 12px !important;
    }
    
    .login-header h1,
    .register-header h1 {
        font-size: 20px !important;
    }
    
    .login-logo,
    .register-logo {
        width: 60px !important;
        height: 60px !important;
    }
    
    .table th,
    .table td {
        padding: 4px 6px !important;
        font-size: 10px !important;
    }
    
    .btn {
        padding: 6px 10px !important;
        font-size: 11px !important;
    }
    
    .btn-sm {
        padding: 3px 6px !important;
        font-size: 9px !important;
    }
    
    .card-header h3 {
        font-size: 13px !important;
    }
    
    .card-body {
        padding: 10px !important;
    }
    
    .modal-header h2 {
        font-size: 14px !important;
    }
    
    .modal-body {
        padding: 12px !important;
    }
    
    .modal-body h3 {
        font-size: 13px !important;
    }
    
    .form-control {
        font-size: 14px !important;
        padding: 6px 10px !important;
    }
    
    .hero-content h1 {
        font-size: 24px !important;
    }
    
    .hero-subtitle {
        font-size: 13px !important;
    }
    
    .hero-features {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    .hero-features .feature {
        padding: 12px !important;
    }
    
    .notification-popup {
        max-width: 260px !important;
        padding: 10px !important;
        right: 8px !important;
        top: 8px !important;
    }
    
    .notification-popup .notification-icon {
        font-size: 20px !important;
    }
    
    .notification-popup .notification-content h4 {
        font-size: 13px !important;
    }
    
    .notification-popup .notification-content p {
        font-size: 11px !important;
    }
    
    .pagination .page-item .page-link {
        padding: 3px 6px !important;
        font-size: 11px !important;
    }
    
    .alert {
        font-size: 12px !important;
        padding: 8px 10px !important;
    }
    
    .sound-item .sound-name {
        font-size: 12px !important;
    }
    
    .sound-item .badge {
        font-size: 9px !important;
    }
}

/* ---------- VERY SMALL PHONES (380px and below) ---------- */
@media (max-width: 380px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 6px !important;
    }
    
    .stat-card {
        padding: 8px !important;
        gap: 6px !important;
        border-radius: 6px !important;
    }
    
    .stat-icon {
        width: 28px !important;
        height: 28px !important;
        font-size: 12px !important;
    }
    
    .stat-info h3 {
        font-size: 12px !important;
    }
    
    .stat-info p {
        font-size: 9px !important;
    }
    
    .stat-info small {
        font-size: 8px !important;
    }
    
    .dashboard-header h1 {
        font-size: 16px !important;
    }
    
    .table th,
    .table td {
        padding: 3px 4px !important;
        font-size: 9px !important;
    }
    
    .card-header h3 {
        font-size: 12px !important;
    }
    
    .modal-header h2 {
        font-size: 13px !important;
    }
    
    .modal-body {
        padding: 8px !important;
    }
    
    .form-control {
        font-size: 14px !important;
        padding: 4px 8px !important;
    }
    
    .hero-content h1 {
        font-size: 20px !important;
    }
    
    .login-box,
    .register-box {
        padding: 12px 10px !important;
    }
    
    .login-header h1,
    .register-header h1 {
        font-size: 18px !important;
    }
    
    .login-logo,
    .register-logo {
        width: 50px !important;
        height: 50px !important;
    }
}

/* ---------- PRINT STYLES ---------- */
@media print {
    .navbar {
        display: none !important;
    }
    
    .btn,
    .form-actions,
    .pagination-wrapper,
    .bulk-actions,
    .navbar-toggle,
    .navbar-menu {
        display: none !important;
    }
    
    .modal {
        position: static !important;
        background: none !important;
        padding: 0 !important;
    }
    
    .modal-content {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        margin: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .table {
        font-size: 12px !important;
    }
    
    .table th {
        background: #f0f0f0 !important;
    }
    
    .badge {
        border: 1px solid #333 !important;
        background: none !important;
        color: #333 !important;
    }
    
    .alert {
        border: 1px solid #333 !important;
        background: none !important;
        color: #333 !important;
    }
    
    .stat-card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    
    .notification-popup {
        display: none !important;
    }
}