:root {
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --bg-card-header: #ffffff;
    --bg-settings: #f7fafc;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-muted: #a0aec0;
    --border-color: #e2e8f0;
    --table-header-bg: #f8f9fa;
    --table-header-text: #2d3748;
    --table-hover-color: rgba(255, 255, 255, 0.05);
    --shadow: rgba(0, 0, 0, 0.08);
    --header-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --auth-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-1: #667eea;
    --gradient-2: #764ba2;
}

body.dark-theme {
    --bg-body: #0f0f23;
    --bg-card: #1a1a35;
    --bg-card-header: #1a1a35;
    --bg-settings: #12122a;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: #2d3748;
    --table-header-bg: #12122a;
    --table-header-text: #e2e8f0;
    --table-hover-color: rgba(102, 126, 234, 0.15);
    --shadow: rgba(0, 0, 0, 0.3);
    --header-gradient: linear-gradient(135deg, #1a1a35 0%, #2d2d5e 100%);
    --auth-gradient: linear-gradient(135deg, #0f0f23 0%, #1a1a35 100%);
}

body {
    background: var(--bg-body);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
    -webkit-tap-highlight-color: transparent;
    -webkit-text-size-adjust: 100%;
    overscroll-behavior-y: none;
}

/* ── Wallet icon ─────────────────────────────────────── */

.wallet-icon {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    vertical-align: middle;
}

.wallet-icon svg {
    vertical-align: middle;
}

/* ── Header ──────────────────────────────────────────── */

.app-header {
    background: var(--header-gradient);
    color: white;
    padding: 1rem 0;
    margin-bottom: 0;
    box-shadow: 0 2px 10px var(--shadow);
    transition: background 0.3s;
}

.app-header h1 {
    margin: 0;
    font-weight: 600;
    font-size: 1.5rem;
}

.app-header .user-email {
    opacity: 0.9;
    font-size: 0.85rem;
}

/* ── Bell notification ───────────────────────────────── */

.bell-container {
    position: relative;
    cursor: pointer;
    color: white;
    font-size: 1.3rem;
    padding: 4px 6px;
    border-radius: 50%;
    transition: background 0.2s;
}

.bell-container:hover {
    background: rgba(255, 255, 255, 0.15);
}

.bell-badge {
    position: absolute;
    top: -2px;
    right: -4px;
    background: #e53e3e;
    color: white;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1;
    box-shadow: 0 0 0 2px var(--bg-card);
}

.bell-badge.pulse {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ── Theme toggle ────────────────────────────────────── */

.theme-toggle {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ── Stats ───────────────────────────────────────────── */

.stats-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.2s;
    background: var(--bg-card);
}

.stats-card:hover {
    transform: translateY(-2px);
}

.stats-card .card-body {
    padding: 1.2rem;
}

.stats-card .stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stats-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Cards ───────────────────────────────────────────── */

.main-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    background: var(--bg-card);
}

.main-card .card-header {
    background: var(--bg-card-header);
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
}

/* ── Table ───────────────────────────────────────────── */

.table {
    color: var(--text-primary);
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: none;
}

.table thead {
    background: var(--table-header-bg);
}

.table thead th {
    background-color: var(--table-header-bg);
    color: var(--table-header-text, var(--text-secondary));
}

.table-hover tbody tr:hover {
    background: var(--table-hover-color, rgba(102, 126, 234, 0.05));
}

.table-hover tbody tr:hover > * {
    background-color: var(--table-hover-color, rgba(102, 126, 234, 0.05));
}

.table td {
    border-color: var(--border-color);
}

.dark-theme .table-hover tbody tr:hover {
    background: var(--table-hover-color, rgba(102, 126, 234, 0.15));
}

.dark-theme .table-hover tbody tr:hover > * {
    background-color: var(--table-hover-color, rgba(102, 126, 234, 0.15));
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr[style*="--row-bg"] > * {
    background-color: var(--row-bg);
    color: var(--text-primary) !important;
}

.table tbody tr[style*="--row-bg"]:hover > * {
    background-color: var(--row-bg);
    filter: brightness(0.95);
    color: var(--text-primary) !important;
}

/* ── Closed rows ────────────────────────────────────── */

.row-closed {
    opacity: 0.7;
}

.dark-theme .row-closed {
    --row-bg: #2d3748 !important;
}

.row-closed:hover {
    filter: brightness(0.95);
}

.row-closed td {
    color: var(--text-secondary) !important;
}

/* ── Badges ──────────────────────────────────────────── */

.badge-expired {
    background: #e2e8f0;
    color: #4a5568;
}

.badge-urgent {
    background: #feebc8;
    color: #c05621;
}

.badge-soon {
    background: #fefcbf;
    color: #975a16;
}

.badge-ok {
    background: #c6f6d5;
    color: #276749;
}

.badge-savings {
    background: #bee3f8;
    color: #2b6cb0;
}

.dark-theme .badge-expired {
    background: #2d3748;
    color: #a0aec0;
}

.dark-theme .badge-urgent {
    background: #4a3a1a;
    color: #fbd38d;
}

.dark-theme .badge-soon {
    background: #3a3a1a;
    color: #faf089;
}

.dark-theme .badge-ok {
    background: #1a3a1a;
    color: #9ae6b4;
}

.dark-theme .badge-savings {
    background: #1a2a3a;
    color: #90cdf4;
}

/* ── Tax icon ─────────────────────────────────────── */

.tax-icon {
    color: #e53e3e;
    font-size: 0.75rem;
    cursor: help;
    margin-left: 4px;
    vertical-align: middle;
}

.tax-icon:hover {
    color: #c53030;
}

/* ── Settings ────────────────────────────────────────── */

.settings-section {
    background: var(--bg-settings);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.settings-section label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.settings-separator {
    border-top: 1px solid var(--border-color);
    margin: 1rem 0;
}

/* ── Modals ──────────────────────────────────────────── */

.modal-content {
    background: var(--bg-card);
    color: var(--text-primary);
}

.modal-header {
    background: var(--header-gradient);
    color: white;
    border-radius: 8px 8px 0 0;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-footer {
    border-color: var(--border-color);
}

.form-control, .form-select {
    background: var(--bg-body);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.form-control:focus {
    background: var(--bg-body);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control[readonly] {
    background: var(--bg-settings);
    opacity: 0.8;
}

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

.form-check-label {
    color: var(--text-primary);
}

/* ── Buttons ─────────────────────────────────────────── */

.btn-action {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.btn-outline-primary {
    border-color: var(--gradient-1);
    color: var(--gradient-1);
}

.btn-outline-primary:hover {
    background: var(--gradient-1);
    border-color: var(--gradient-1);
    color: white;
}

.btn-outline-danger:hover {
    background: #e53e3e;
    border-color: #e53e3e;
}

/* ── Empty state ─────────────────────────────────────── */

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* ── Auth pages ──────────────────────────────────────── */

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--auth-gradient);
    padding: 1rem;
    transition: background 0.3s;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.auth-card .card-body {
    padding: 2rem;
}

.auth-card .nav-tabs {
    border: none;
    margin-bottom: 1.5rem;
}

.auth-card .nav-tabs .nav-link {
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.75rem 1rem;
    position: relative;
    background: none;
}

.auth-card .nav-tabs .nav-link.active {
    color: var(--gradient-1);
    background: none;
}

.auth-card .nav-tabs .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 3px;
    background: var(--header-gradient);
    border-radius: 3px 3px 0 0;
}

.auth-card .auth-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-card .auth-icon svg {
    vertical-align: middle;
}

.auth-error {
    color: #e53e3e;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* ── Expiring list in modal ──────────────────────────── */

.expiring-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.expiring-item:last-child {
    border-bottom: none;
}

.expiring-item .ei-name {
    font-weight: 600;
}

.expiring-item .ei-days {
    font-weight: 700;
    color: #e53e3e;
}

/* ── Footer ──────────────────────────────────────────── */

footer.text-muted {
    color: var(--text-secondary) !important;
}

/* ── Color picker popup ──────────────────────────────── */

.color-picker-popup {
    position: fixed;
    z-index: 9998;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    min-width: 200px;
}

.color-picker-popup-header {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.color-picker-presets {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 5px;
    margin-bottom: 8px;
}

.color-preset-btn {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s;
    padding: 0;
}

.color-preset-btn:hover {
    transform: scale(1.15);
}

.color-preset-btn.active {
    border-color: var(--text-primary);
    transform: scale(1.15);
}

.color-picker-custom {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 4px;
}

.color-picker-custom input[type="color"] {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
    background: none;
}

.color-picker-custom input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-picker-custom input[type="color"]::-webkit-color-swatch {
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* ── Ticker bar ───────────────────────────────────────── */

.ticker-bar {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
    white-space: nowrap;
    padding: 6px 0;
    font-size: 0.85rem;
    font-weight: 500;
}

.ticker-content {
    display: inline-block;
    animation: ticker-scroll 40s linear infinite;
}

.ticker-item {
    padding: 0 8px;
}

.ticker-sep {
    opacity: 0.5;
    padding: 0 4px;
}

@keyframes ticker-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ── CB Key Rate badge & dropdown ─────────────────────── */

.cb-rate-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 4px 14px;
    margin-left: 12px;
    font-size: 0.8rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s;
    vertical-align: middle;
    position: relative;
}

.cb-rate-badge:hover {
    background: rgba(255, 255, 255, 0.25);
}

body.dark-theme .cb-rate-badge {
    background: rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.4);
}

body.dark-theme .cb-rate-badge:hover {
    background: rgba(102, 126, 234, 0.35);
}

/* ── CBR Key Rate Modal ─────────────────────────────── */

.cb-rate-modal-current {
    text-align: center;
    padding: 18px 14px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 12px;
    margin-bottom: 18px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

body.dark-theme .cb-rate-modal-current {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border-color: rgba(102, 126, 234, 0.3);
}

.cb-rate-modal-current-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.cb-rate-modal-current-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.cb-rate-modal-current-date {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.cb-rate-modal-table-wrap {
    margin-top: 4px;
}

.cb-rate-modal-table-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.cb-rate-modal-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 4px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: 6px;
    transition: background 0.15s;
}

.cb-rate-modal-row:last-child {
    border-bottom: none;
}

.cb-rate-modal-row:hover {
    background: rgba(102, 126, 234, 0.06);
}

body.dark-theme .cb-rate-modal-row:hover {
    background: rgba(102, 126, 234, 0.1);
}

.cb-rate-modal-row-current {
    background: rgba(102, 126, 234, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.15);
}

body.dark-theme .cb-rate-modal-row-current {
    background: rgba(102, 126, 234, 0.12);
    border-color: rgba(102, 126, 234, 0.25);
}

.cb-rate-modal-month {
    color: var(--text-secondary);
}

.cb-rate-modal-val {
    font-weight: 600;
    color: var(--text-primary);
}

.cb-rate-modal-row-current .cb-rate-modal-val {
    color: var(--gradient-1);
}

/* ── CBR Rate tabs ──────────────────────────────────── */

.cb-rate-modal-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 14px;
    background: var(--bg-body);
    border-radius: 8px;
    padding: 3px;
}

.cb-rate-tab {
    flex: 1;
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.cb-rate-tab:hover {
    color: var(--text-primary);
}

.cb-rate-tab.active {
    background: var(--bg-card);
    color: var(--gradient-1);
    box-shadow: 0 1px 3px var(--shadow);
}

/* ── Mobile deposit cards (hidden on desktop) ─────────── */

.deposit-cards {
    display: none;
}

/* ── Safe area insets (notched phones) ─────────────────── */

.app-header {
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
}

.ticker-bar {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

body {
    padding-bottom: env(safe-area-inset-bottom);
}

/* ── Prevent text selection on interactive elements ──── */
.bell-container,
.theme-toggle,
.btn,
.nav-link {
    -webkit-user-select: none;
    user-select: none;
}

/* ── Smooth scrolling ────────────────────────────────── */
html {
    scroll-behavior: smooth;
}

@media (max-width: 768px) {
    /* Hide table, show cards */
    .table-responsive {
        display: none !important;
    }
    .deposit-cards {
        display: block;
        padding: 12px;
    }
    .deposit-card {
        background: var(--bg-body);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        padding: 14px;
        margin-bottom: 12px;
        border-left: 4px solid var(--gradient-1);
    }
    .deposit-card.row-closed {
        opacity: 0.6;
        border-left-color: var(--text-muted);
    }
    .deposit-card-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 10px;
    }
    .deposit-card-name {
        font-weight: 700;
        font-size: 1rem;
        color: var(--text-primary);
        flex: 1;
        min-width: 0;
    }
    .deposit-card-badge {
        margin-left: 8px;
        flex-shrink: 0;
    }
    .deposit-card-bank {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: 10px;
    }
    .deposit-card-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        margin-bottom: 10px;
    }
    .deposit-card-field {
        display: flex;
        flex-direction: column;
    }
    .deposit-card-label {
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-muted);
        margin-bottom: 2px;
    }
    .deposit-card-value {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-primary);
    }
    .deposit-card-value.highlight {
        color: var(--gradient-1);
    }
    .deposit-card-actions {
        display: flex;
        gap: 8px;
        padding-top: 10px;
        border-top: 1px solid var(--border-color);
    }
    .deposit-card-actions .btn {
        flex: 1;
        min-height: 40px;
        font-size: 0.85rem;
    }

    /* Header mobile */
    .app-header {
        padding: 0.75rem 0;
    }
    .app-header h1 {
        font-size: 1.1rem;
    }
    .app-header .d-flex.gap-2 {
        gap: 0.4rem !important;
    }
    .app-header .user-email {
        display: none !important;
    }
    .theme-toggle, .bell-container {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }

    /* Stats mobile */
    .stats-card .card-body {
        padding: 0.9rem;
    }
    .stats-card .stat-number {
        font-size: 1.1rem;
    }
    .stats-card .stat-label {
        font-size: 0.7rem;
    }

    /* Card header mobile */
    .main-card .card-header {
        padding: 0.75rem 1rem;
    }
    .main-card .card-header .d-flex {
        flex-wrap: wrap;
        gap: 6px;
    }
    .cb-rate-badge {
        margin-left: 0;
        margin-top: 4px;
        font-size: 0.72rem;
        padding: 3px 10px;
    }

    /* Auth mobile */
    .auth-card .card-body {
        padding: 1.25rem;
    }
    .auth-card {
        margin: 12px;
        max-width: none;
    }

    /* Ticker mobile */
    .ticker-bar {
        font-size: 0.75rem;
        padding: 5px 0;
    }

    /* Modal mobile */
    .modal-dialog {
        margin: 8px;
        max-width: none;
    }
    .modal-content {
        border-radius: 12px;
    }
    .modal-body {
        padding: 1rem;
    }
    .modal-body .row.g-3 {
        --bs-gutter-x: 0.75rem;
    }

    /* Form controls mobile */
    .form-control, .form-select {
        font-size: 16px;
    }
    .btn {
        min-height: 44px;
    }

    /* Empty state mobile */
    .empty-state {
        padding: 2rem 1rem;
    }

    /* Color picker mobile */
    .color-picker-popup {
        min-width: 180px;
        max-width: calc(100vw - 32px);
    }

    /* Footer mobile */
    footer {
        padding: 1rem 0 !important;
        font-size: 0.8rem;
    }
}

/* Extra small screens (< 375px) */
@media (max-width: 374px) {
    .deposit-card-grid {
        grid-template-columns: 1fr;
    }
    .app-header h1 {
        font-size: 1rem;
    }
    .stats-card .stat-number {
        font-size: 1rem;
    }
    .auth-card .card-body {
        padding: 1rem;
    }
    .modal-body .row.g-3 {
        --bs-gutter-x: 0.5rem;
    }
}

/* Tablets (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .app-header h1 {
        font-size: 1.3rem;
    }
    .stats-card .stat-number {
        font-size: 1.4rem;
    }
}