/* =========================================================
   WalletPro v2.5 Enterprise Design System
   Fintech Modern UI Engine - Modeled after RinKaManager
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ===== Base Reset & Design Tokens ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Primary (Fintech Royal Blue) */
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-light: #EFF6FF;
    --primary-glow: rgba(37, 99, 235, 0.16);

    /* Backgrounds & Surfaces */
    --bg-main: #F8FAFC;
    --card-bg: #FFFFFF;

    /* Sidebar Slate Dark (RinKa-style) */
    --sidebar-bg: #0F172A;
    --sidebar-border: #1E293B;
    --sidebar-text: #94A3B8;
    --sidebar-active-bg: #1E293B;
    --sidebar-active-text: #FFFFFF;

    /* Typography Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    /* Borders */
    --border: #E2E8F0;
    --border-hover: #CBD5E1;

    /* State Accents */
    --success: #10B981;
    --success-bg: #ECFDF5;
    --success-border: #A7F3D0;

    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --danger-border: #FECACA;

    --warning: #F59E0B;
    --warning-bg: #FFFBEB;
    --warning-border: #FDE68A;

    --info: #0284C7;
    --info-bg: #F0F9FF;
    --info-border: #BAE6FD;

    --momo: #D82D8B;
    --momo-bg: #FDF2F8;

    /* Corner Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-pill: 9999px;

    /* Elevations & Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 10px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.35);
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===== App Layout Container ===== */
.app {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
}

/* ===== Sidebar ===== */
.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    flex-shrink: 0;
    border-right: 1px solid var(--sidebar-border);
    z-index: 100;
    overflow-y: auto;
    transition: left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand {
    padding: 22px 20px;
    font-size: 20px;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--sidebar-border);
}

.brand-title {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #FFFFFF;
}

.brand-title span {
    color: var(--primary);
}

.brand-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    background: rgba(37, 99, 235, 0.25);
    color: #60A5FA;
    border: 1px solid rgba(96, 165, 250, 0.3);
    border-radius: var(--radius-pill);
    letter-spacing: 0.3px;
}

.sidebar nav {
    padding: 16px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-section-title {
    font-size: 11px;
    text-transform: uppercase;
    color: #475569;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 8px 12px 4px 12px;
}

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 13.5px;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
}

.sidebar nav a i {
    font-size: 15px;
    width: 20px;
    text-align: center;
    color: #64748B;
    transition: color 0.15s ease;
}

.sidebar nav a:hover {
    background: var(--sidebar-active-bg);
    color: #FFFFFF;
}

.sidebar nav a:hover i {
    color: #FFFFFF;
}

.sidebar nav a.active {
    background: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.sidebar nav a.active i {
    color: #FFFFFF;
}

.user-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--sidebar-border);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.6);
}

.user-footer .user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, #1D4ED8 100%);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
}

.user-name {
    font-weight: 600;
    color: #E2E8F0;
    line-height: 1.2;
}

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

.user-footer a.logout-btn {
    color: #EF4444;
    text-decoration: none;
    font-size: 15px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background 0.15s;
}

.user-footer a.logout-btn:hover {
    background: rgba(239, 68, 68, 0.15);
}

/* ===== Main Content Area ===== */
.content {
    flex: 1;
    margin-left: 240px;
    padding: 24px 32px;
    max-width: calc(100% - 240px);
    width: calc(100% - 240px);
    box-sizing: border-box;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Page Header ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 22px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 13.5px;
    margin-top: 4px;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* ===== Cards ===== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
    margin-bottom: 20px;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Stat Cards Grid ===== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s ease, border-color 0.18s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary);
}

.stat-card.stat-success::before { background: var(--success); }
.stat-card.stat-warning::before { background: var(--warning); }
.stat-card.stat-danger::before { background: var(--danger); }
.stat-card.stat-info::before { background: var(--info); }
.stat-card.stat-momo::before { background: var(--momo); }

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    background: #F1F5F9;
    color: var(--text-secondary);
}

.stat-success .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-warning .stat-icon { background: var(--warning-bg); color: var(--warning); }
.stat-danger .stat-icon { background: var(--danger-bg); color: var(--danger); }
.stat-info .stat-icon { background: var(--info-bg); color: var(--info); }
.stat-momo .stat-icon { background: var(--momo-bg); color: var(--momo); }

.stat-value {
    display: block;
    font-size: 26px;
    font-weight: 800;
    margin-top: 10px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== Buttons System ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
    line-height: 1.25;
}

.btn:active {
    transform: translateY(1px);
}

.btn-pill {
    border-radius: var(--radius-pill);
    padding: 8px 16px;
    font-size: 13px;
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-outline {
    background: #FFFFFF;
    border-color: var(--border);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    border-color: var(--border-hover);
    background: #F8FAFC;
}

.btn-accent {
    background: #F0F9FF;
    color: #0284C7;
    border-color: #BAE6FD;
}

.btn-accent:hover {
    background: #E0F2FE;
    color: #0369A1;
}

.btn-success {
    background: var(--success);
    color: #FFFFFF;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12.5px;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: #F1F5F9;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    background: #E2E8F0;
    color: var(--text-primary);
}

.btn-icon-danger:hover {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger-border);
}

.btn-icon-success:hover {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success-border);
}

.btn-icon-warning:hover {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: var(--warning-border);
}

.btn-block {
    width: 100%;
}

/* ===== Badges & Provider Chips ===== */
.badge {
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-active,
.badge-success { background: var(--success-bg); color: #065F46; border: 1px solid var(--success-border); }
.badge-warning { background: var(--warning-bg); color: #92400E; border: 1px solid var(--warning-border); }
.badge-danger { background: var(--danger-bg); color: #991B1B; border: 1px solid var(--danger-border); }
.badge-info { background: var(--info-bg); color: #075985; border: 1px solid var(--info-border); }
.badge-inactive { background: #F1F5F9; color: #475569; border: 1px solid #CBD5E1; }

/* Status Toggle Button (Reset button styles completely) */
.btn-status-toggle {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    outline: none !important;
    box-shadow: none !important;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn-status-toggle:hover {
    transform: translateY(-1px);
    opacity: 0.88;
}
.btn-status-toggle:active {
    transform: translateY(0);
}

/* Switch Toggle Component */
.switch-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
    margin: 0;
    cursor: pointer;
    vertical-align: middle;
}
.switch-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}
.switch-toggle .slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #CBD5E1;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 22px;
}
.switch-toggle .slider::before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.switch-toggle input:checked + .slider {
    background-color: #10B981;
}
.switch-toggle input:checked + .slider::before {
    transform: translateX(22px);
}
.switch-toggle input:disabled + .slider {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Provider Chips */
.provider-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 6px;
    line-height: 1.2;
    text-transform: uppercase;
}

.provider-momo { background: #FDF2F8; color: #BE185D; border: 1px solid #FBCFE8; }
.provider-vcbbank { background: #F0FDF4; color: #166534; border: 1px solid #BBF7D0; }
.provider-mbbank { background: #EFF6FF; color: #1E40AF; border: 1px solid #BFDBFE; }
.provider-bidvbank { background: #F0FDF9; color: #115E59; border: 1px solid #99F6E4; }
.provider-techcombank { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.provider-vpbank { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.provider-tpbank { background: #FAF5FF; color: #6B21A8; border: 1px solid #E9D5FF; }
.provider-acbbank { background: #F0F9FF; color: #0369A1; border: 1px solid #BAE6FD; }
.provider-msbbank { background: #FFF7ED; color: #9A3412; border: 1px solid #FED7AA; }
.provider-ocbbank { background: #F7FEE7; color: #3F6212; border: 1px solid #D9F99D; }
.provider-vietinbank { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }

/* ===== Table Responsive Engine ===== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--card-bg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    white-space: nowrap;
}

.table th {
    background: #F8FAFC;
    padding: 13px 16px;
    text-align: left;
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.table td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

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

.table tbody tr:hover {
    background: #F8FAFC;
}

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

.table .empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 42px 16px;
    font-size: 14px;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    margin-left: 5px;
    padding: 2px 5px;
    border-radius: 4px;
    transition: all 0.15s ease;
}

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

/* ===== Floating Selection Action Bar (RinKa Style) ===== */
.selection-action-bar {
    position: sticky;
    bottom: 20px;
    z-index: 80;
    display: none;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    background: #0F172A;
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.35);
    border: 1px solid #334155;
    animation: slideUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 14px;
}

.selection-action-bar.show {
    display: flex !important;
}

@keyframes slideUp {
    from { transform: translateY(15px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.selection-info {
    font-weight: 700;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #38BDF8;
}

.selection-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

/* ===== Tag Badges & Filters Bar ===== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.tag-badge {
    cursor: pointer;
    border: 1px solid #CBD5E1;
    background: #FFFFFF;
    color: #334155;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-size: 12.5px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.tag-badge:hover {
    border-color: #94A3B8;
    background: #F1F5F9;
    transform: translateY(-1px);
}

.tag-badge.active {
    background: #0F172A;
    color: #FFFFFF;
    border-color: #0F172A;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
}

/* ===== Form Controls ===== */
.form-group {
    margin-bottom: 16px;
}

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

input[type=text], input[type=password], input[type=number], input[type=email], input[type=date], select, textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    color: var(--text-primary);
    background-color: #FFFFFF;
    outline: none;
    transition: all 0.15s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-feedback {
    font-size: 12px;
    margin-top: 5px;
    color: var(--text-muted);
}

/* ===== Modal System with Blur Backdrop ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.18s ease-out;
}

.modal-overlay.open {
    display: flex !important;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95) translateY(12px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal {
    background: #FFFFFF;
    border-radius: var(--radius-xl);
    padding: 26px 30px;
    width: 480px;
    max-width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-modal);
    border: 1px solid var(--border);
    animation: modalPop 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.modal.modal-sm { width: 400px; }
.modal.modal-lg { width: 720px; }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    background: #F1F5F9;
    border: none;
    font-size: 16px;
    color: var(--text-muted);
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.modal-close:hover {
    background: #E2E8F0;
    color: var(--text-primary);
}

/* Custom Scrollbar for Modal */
.modal::-webkit-scrollbar { width: 6px; }
.modal::-webkit-scrollbar-track { background: #F1F5F9; border-radius: 6px; }
.modal::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 6px; }

/* ===== Real-Time Toast Notification Stack ===== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    min-width: 300px;
    max-width: 420px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px -3px rgba(15, 23, 42, 0.18), 0 4px 6px -2px rgba(15, 23, 42, 0.08);
    border: 1px solid var(--border);
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    transition: all 0.2s ease;
}

@keyframes toastSlideIn {
    from { transform: translateX(50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast.toast-fadeout {
    opacity: 0;
    transform: translateY(-8px);
}

.toast-icon {
    font-size: 18px;
    line-height: 1;
    margin-top: 2px;
}

.toast-success { border-left: 4px solid var(--success); }
.toast-success .toast-icon { color: var(--success); }

.toast-error { border-left: 4px solid var(--danger); }
.toast-error .toast-icon { color: var(--danger); }

.toast-warning { border-left: 4px solid var(--warning); }
.toast-warning .toast-icon { color: var(--warning); }

.toast-info { border-left: 4px solid var(--info); }
.toast-info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 2px;
}

.toast-close:hover { color: var(--text-primary); }

/* ===== Electronic Receipt Popup (Phiếu Ủy Nhiệm Chi) ===== */
.receipt-card {
    background: #FFFFFF;
    border: 2px dashed #CBD5E1;
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    box-shadow: var(--shadow-md);
}

.receipt-header {
    text-align: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
    margin-bottom: 16px;
}

.receipt-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.receipt-amount-box {
    background: #F8FAFC;
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    margin-bottom: 16px;
}

.receipt-amount {
    font-size: 28px;
    font-weight: 800;
    color: var(--success);
    letter-spacing: -0.5px;
}

.receipt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
    font-size: 13px;
    margin-bottom: 18px;
}

.receipt-row {
    display: flex;
    flex-direction: column;
}

.receipt-row.full {
    grid-column: span 2;
}

.receipt-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.receipt-val {
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2px;
    word-break: break-all;
}

/* ===== Quick Amount Shortcuts Pill Buttons ===== */
.quick-amount-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.quick-amount-btn {
    background: #F8FAFC;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.quick-amount-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: #BFDBFE;
}

.quick-amount-btn.active {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

/* ===== JSON Inspector (API Provider Logs) ===== */
.json-viewer {
    background: #0F172A;
    color: #F8FAFC;
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 12.5px;
    line-height: 1.5;
    max-height: 420px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    border: 1px solid #334155;
}

/* ===== Responsive Drawer & Screen Adapters ===== */
.mobile-nav-header {
    display: none;
    background: var(--sidebar-bg);
    color: #FFFFFF;
    padding: 14px 20px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--sidebar-border);
    position: sticky;
    top: 0;
    z-index: 110;
}

/* ===== Utility Classes for Responsive Layouts ===== */
.dashboard-charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 22px;
}

.dashboard-quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.stats-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 22px;
}

.mobile-close-sidebar-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--sidebar-text);
    font-size: 22px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: color 0.15s ease, background 0.15s ease;
}

.mobile-close-sidebar-btn:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.1);
}

/* ===== Responsive Drawer & Screen Adapters ===== */
.mobile-nav-header {
    display: none;
    background: var(--sidebar-bg);
    color: #FFFFFF;
    padding: 12px 18px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--sidebar-border);
    position: sticky;
    top: 0;
    z-index: 110;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.mobile-menu-toggle {
    background: #1E293B;
    color: #F8FAFC;
    border: 1px solid #334155;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: background 0.15s ease;
}

.mobile-menu-toggle:hover {
    background: #334155;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99;
    animation: fadeIn 0.2s ease-out;
}

/* =========================================================
   BREAKPOINT: TABLETS & SMALL DESKTOPS (max-width: 992px)
   ========================================================= */
@media (max-width: 992px) {
    .sidebar {
        left: -280px;
        width: 280px;
        box-shadow: none;
        z-index: 120;
    }

    .sidebar.open {
        left: 0;
        box-shadow: var(--shadow-modal);
    }

    .sidebar-overlay.open {
        display: block;
    }

    .mobile-nav-header {
        display: flex;
    }

    .mobile-close-sidebar-btn {
        display: block;
    }

    .content {
        margin-left: 0;
        width: 100%;
        max-width: 100vw;
        padding: 18px 16px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .dashboard-charts-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .dashboard-quick-actions {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stats-3 {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .transfer-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .selection-action-bar {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: max(12px, env(safe-area-inset-bottom, 12px));
    }
}

/* =========================================================
   BREAKPOINT: STANDARD MOBILE & PHONES (max-width: 768px)
   ========================================================= */
@media (max-width: 768px) {
    /* Prevent iOS Safari auto-zoom on input focus */
    input[type=text],
    input[type=password],
    input[type=number],
    input[type=email],
    input[type=date],
    select,
    textarea {
        font-size: 16px !important;
    }

    body {
        -webkit-text-size-adjust: 100%;
        touch-action: manipulation;
    }

    .content {
        padding: 14px 12px;
        min-height: calc(100vh - 56px);
    }

    .page-header h1 {
        font-size: 19px;
        gap: 8px;
    }

    .page-header p {
        font-size: 12.5px;
        margin-top: 2px;
    }

    .header-actions {
        flex-direction: column;
        width: 100%;
        gap: 8px;
    }

    .header-actions .btn {
        width: 100%;
        justify-content: center;
        min-height: 42px;
    }

    /* 2-Column Responsive Stats on Mobile */
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 16px;
    }

    .stat-card {
        padding: 14px 12px;
        border-radius: var(--radius-md);
    }

    .stat-label {
        font-size: 10.5px;
    }

    .stat-icon {
        width: 28px;
        height: 28px;
        font-size: 13px;
        border-radius: var(--radius-sm);
    }

    .stat-value {
        font-size: 18px;
        margin-top: 6px;
    }

    .stat-sub {
        font-size: 10.5px;
        margin-top: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* Responsive Filter Bars */
    .filter-bar {
        padding: 12px 10px;
        gap: 10px;
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        flex-wrap: nowrap;
        gap: 6px;
    }

    .filter-group .tag-badge {
        flex-shrink: 0;
        white-space: nowrap;
        font-size: 11.5px;
        padding: 6px 11px;
    }

    .filter-bar form,
    .filter-bar input[type="text"] {
        width: 100% !important;
    }

    /* Responsive Card & Table Spacing */
    .card {
        padding: 16px 14px;
        border-radius: var(--radius-md);
        margin-bottom: 16px;
    }

    .card-header {
        margin-bottom: 14px;
        padding-bottom: 10px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .table th, .table td {
        padding: 10px 12px;
        font-size: 12.5px;
    }

    /* Mobile Bottom Sheet Modal */
    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .modal {
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 20px 20px 0 0 !important;
        padding: 20px 16px;
        max-height: 88vh;
        margin: 0;
        border-bottom: none;
        animation: modalSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .modal.modal-sm,
    .modal.modal-lg {
        width: 100% !important;
        max-width: 100% !important;
    }

    @keyframes modalSlideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }

    .modal-header {
        margin-bottom: 14px;
        padding-bottom: 10px;
    }

    .modal-title {
        font-size: 16px;
    }

    /* Touch Friendly Buttons & Controls */
    .btn {
        min-height: 40px;
        font-size: 13.5px;
    }

    .btn-sm {
        min-height: 34px;
        padding: 6px 10px;
    }

    /* Selection Action Bar for Bulk Selection */
    .selection-action-bar {
        position: fixed;
        left: 8px;
        right: 8px;
        bottom: max(8px, env(safe-area-inset-bottom, 8px));
        padding: 10px 12px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .selection-buttons {
        width: 100%;
        justify-content: stretch;
    }

    .selection-buttons .btn {
        flex: 1;
        justify-content: center;
    }

    /* Providers Grid on Mobile */
    #providersGrid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    /* Transfer UI Controls on Mobile */
    .transfer-type-grid {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }

    .quick-amount-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
    }

    .recipient-mode-tabs {
        width: 100%;
        display: flex;
    }

    .mode-tab-btn {
        flex: 1;
        justify-content: center;
        padding: 8px 10px;
    }
}

/* =========================================================
   BREAKPOINT: EXTRA SMALL SCREENS (max-width: 480px)
   ========================================================= */
@media (max-width: 480px) {
    .content {
        padding: 12px 8px;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .stat-card {
        padding: 12px 14px;
    }

    .dashboard-quick-actions {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .receipt-grid {
        grid-template-columns: 1fr;
    }

    .receipt-row.full {
        grid-column: span 1;
    }

    .receipt-amount {
        font-size: 22px;
    }
}