/* ==========================================================================
   OTP BOT ADMIN PANEL - PREMIUM STYLE SHEET
   ========================================================================== */

/* 1. Thiết lập biến CSS cho hệ thống màu */
:root {
    --bg-primary: #0f172a;       /* Slate 900 */
    --bg-secondary: #1e293b;     /* Slate 800 */
    --bg-tertiary: #334155;      /* Slate 700 */
    --text-primary: #f8fafc;     /* Slate 50 */
    --text-secondary: #94a3b8;   /* Slate 400 */
    --text-muted: #64748b;       /* Slate 500 */
    
    --color-primary: #6366f1;    /* Indigo 500 */
    --color-primary-hover: #4f46e5;
    
    --color-success: #10b981;    /* Emerald 500 */
    --color-success-bg: rgba(16, 185, 129, 0.15);
    
    --color-danger: #ef4444;     /* Red 500 */
    --color-danger-bg: rgba(239, 68, 68, 0.15);
    
    --color-info: #3b82f6;       /* Blue 500 */
    --color-info-bg: rgba(59, 130, 246, 0.15);
    
    --color-warning: #f97316;    /* Orange 500 */
    --color-warning-bg: rgba(249, 115, 22, 0.15);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* 2. Cấu hình cơ bản */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

input, button, select, textarea {
    font-family: inherit;
    font-size: 14px;
}

/* 3. Giao diện Login (Login Portal) */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(circle at center, #1e1b4b 0%, #0f172a 100%);
    padding: 20px;
}

.login-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #a855f7 100%);
    color: white;
    font-size: 28px;
    border-radius: 50%;
    margin-bottom: 16px;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.login-header h2 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 13px;
}

.input-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-group input {
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    outline: none;
    transition: var(--transition-fast);
}

.input-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

#btn-login {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, #4f46e5 100%);
    color: white;
    border: none;
    padding: 14px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

#btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.login-footer {
    margin-top: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
}

/* 4. Giao diện tổng quan chính (Sidebar + Content Layout) */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR STYLES */
.app-sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: white;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand i {
    color: var(--color-primary);
    font-size: 22px;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
}

.sidebar-menu {
    padding: 20px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.menu-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.menu-item:hover, .menu-item.active {
    background-color: rgba(99, 102, 241, 0.1);
    color: white;
}

.menu-item.active {
    background-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.sidebar-footer {
    padding: 20px 14px;
    border-top: 1px solid var(--border-color);
}

.logout-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--color-danger);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
}

.logout-link:hover {
    background-color: var(--color-danger-bg);
    color: #f87171;
}

/* APP MAIN CONTAINER */
.app-main {
    margin-left: 260px;
    flex: 1;
    min-height: 100vh;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* HEADER STYLES */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.app-header h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(30, 41, 59, 0.4);
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background-color: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-primary);
    font-size: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-role {
    font-size: 13px;
    font-weight: 600;
}

.user-status {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px var(--color-success);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.5; }
    100% { transform: scale(0.9); opacity: 1; }
}

/* 5. Khung các tab ẩn / hiện */
.tab-panel {
    display: none;
    flex-direction: column;
    gap: 30px;
    animation: fadeIn 0.2s ease-in-out;
}

.tab-panel.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 6. Thống kê Stat Cards */
.stats-premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.premium-card {
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.premium-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.card-blue {
    background: linear-gradient(135deg, #1e3a8a 0%, #172554 100%);
    border-color: rgba(59, 130, 246, 0.3);
}
.card-blue .p-card-icon i {
    color: #3b82f6;
    background-color: rgba(59, 130, 246, 0.15);
}

.card-purple {
    background: linear-gradient(135deg, #581c87 0%, #3b0764 100%);
    border-color: rgba(168, 85, 247, 0.3);
}
.card-purple .p-card-icon i {
    color: #a855f7;
    background-color: rgba(168, 85, 247, 0.15);
}

.card-green {
    background: linear-gradient(135deg, #064e3b 0%, #022c22 100%);
    border-color: rgba(16, 185, 129, 0.3);
}
.card-green .p-card-icon i {
    color: #10b981;
    background-color: rgba(16, 185, 129, 0.15);
}

.card-orange {
    background: linear-gradient(135deg, #7c2d12 0%, #431407 100%);
    border-color: rgba(249, 115, 22, 0.3);
}
.card-orange .p-card-icon i {
    color: #f97316;
    background-color: rgba(249, 115, 22, 0.15);
}

.p-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.p-card-header h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
}

.p-card-icon i {
    width: 28px;
    height: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 12px;
}

.p-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 10px;
}

.p-stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.p-label {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 500;
}

.p-value {
    font-size: 16px;
    font-weight: 700;
    color: white;
}

.p-value.font-sm {
    font-size: 13px;
}

/* Secondary statistics panels */
.stats-secondary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 1024px) {
    .stats-secondary-grid {
        grid-template-columns: 1fr;
    }
}

.api-info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
}

.api-info-card .card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.api-info-card .card-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.api-info-card .card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: center;
    flex: 1;
}

.api-detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    border-bottom: 1px dashed rgba(255,255,255,0.05);
    padding-bottom: 8px;
}

.api-detail-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-label {
    color: var(--text-secondary);
}

.chart-container-wrapper {
    max-height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 7. Khung Dữ liệu (Tables) */
.data-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.section-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h2 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.data-table th, .data-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(15, 23, 42, 0.2);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badge labels */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-success { background-color: var(--color-success-bg); color: #34d399; }
.badge-danger { background-color: var(--color-danger-bg); color: #f87171; }
.badge-info { background-color: var(--color-info-bg); color: #60a5fa; }
.badge-warning { background-color: var(--color-warning-bg); color: #fb923c; }

/* Buttons styling */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.btn-xs {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 4px;
}

.text-center { text-align: center; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-green { color: #34d399; }
.mb-3 { margin-bottom: 1rem; }

/* Filter bar and search styling */
.filter-bar {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px 10px 42px;
    border-radius: var(--border-radius-sm);
    outline: none;
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--color-primary);
}

/* Pagination structure */
.pagination-bar {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: 8px;
}

.btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 8. Cấu hình bảng cài đặt (Settings Panel) */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 1024px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.settings-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.settings-card .card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
}

.settings-card .card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.settings-card .card-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.col-6 {
    flex: 1;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea, .form-group select {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--color-primary);
}

.help-text {
    font-size: 11px;
    color: var(--text-muted);
}

/* 9. Hệ thống Cửa sổ Modals (Modals System) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    animation: modalSlide 0.25s ease-out;
}

.modal-card.modal-lg {
    max-width: 750px;
}

@keyframes modalSlide {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: white;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.input-readonly {
    background-color: rgba(15, 23, 42, 0.4) !important;
    border-style: dashed !important;
    cursor: not-allowed;
}

/* Radio button toggle styles */
.radio-toggle-group {
    display: flex;
    gap: 12px;
}

.radio-toggle-group input[type="radio"] {
    display: none;
}

.toggle-btn {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.radio-toggle-group input[type="radio"]:checked + .toggle-btn-add {
    border-color: var(--color-success);
    background-color: var(--color-success-bg);
    color: #34d399;
}

.radio-toggle-group input[type="radio"]:checked + .toggle-btn-sub {
    border-color: var(--color-danger);
    background-color: var(--color-danger-bg);
    color: #f87171;
}

.modal-table-scroll {
    max-height: 350px;
    overflow-y: auto;
}

/* Custom Table Font Size for modal */
.table-sm th, .table-sm td {
    padding: 10px 14px;
    font-size: 13px;
}

/* 10. Hệ thống Toast thông báo (Toast System) */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
    max-width: 320px;
}

.toast {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    animation: toastSlideIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: all 0.25s ease;
}

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

.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-danger { border-left-color: var(--color-danger); }
.toast.toast-warning { border-left-color: var(--color-warning); }

.toast-icon {
    font-size: 16px;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-danger .toast-icon { color: var(--color-danger); }
.toast-warning .toast-icon { color: var(--color-warning); }

.toast-message {
    flex: 1;
    color: var(--text-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .app-sidebar {
        width: 60px;
    }
    
    .sidebar-brand span, .menu-item span, .logout-link span {
        display: none;
    }
    
    .app-main {
        margin-left: 60px;
        padding: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* ==========================================================================
   PREMIUM STATS CARDS STYLING (NEW)
   ========================================================================== */
.stats-premium-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.premium-card {
    border-radius: var(--border-radius-md);
    padding: 24px;
    color: white;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Gradients for each card */
.premium-card.card-blue {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.premium-card.card-purple {
    background: linear-gradient(135deg, #6d28d9 0%, #a855f7 100%);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.premium-card.card-green {
    background: linear-gradient(135deg, #065f46 0%, #10b981 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.premium-card.card-orange {
    background: linear-gradient(135deg, #c2410c 0%, #f97316 100%);
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.p-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.p-card-header h3 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.95;
    margin: 0;
}

.p-card-icon {
    font-size: 18px;
    opacity: 0.85;
}

.p-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 12px;
}

.p-stat-item {
    display: flex;
    flex-direction: column;
}

.p-label {
    font-size: 11px;
    font-weight: 500;
    opacity: 0.8;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.p-value {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.p-value.font-sm {
    font-size: 14px;
}

/* ==========================================================================
   SECONDARY GRID & API WIDGET STYLING (NEW)
   ========================================================================== */
.stats-secondary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.api-info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.api-info-card .card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.api-info-card .card-header h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0;
}

.api-info-card .card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.api-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

.api-detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.detail-val {
    color: var(--text-primary);
    font-size: 13px;
}

.chart-container-wrapper {
    position: relative;
    height: 180px;
    width: 100%;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .stats-premium-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .stats-secondary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .stats-premium-grid {
        grid-template-columns: 1fr;
    }
}