* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans Myanmar', sans-serif;
    background-color: #0d0d0d;
    color: #e0e0e0;
    font-size: 16px;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* TOP NAV BAR */
.top-nav {
    background: linear-gradient(135deg, #1a1a1a 0%, #111 100%);
    border-bottom: 2px solid #2a2a2a;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 0;
    position: sticky;
    top: 0;
    z-index: 500;
}

.top-nav-brand {
    color: #00d4ff;
    font-size: 20px;
    font-weight: 700;
    padding: 14px 18px 14px 0;
    margin-right: 12px;
    border-right: 2px solid #2a2a2a;
    white-space: nowrap;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.nav-tabs {
    display: flex;
    align-items: center;
    flex: 1;
    overflow-x: auto;
    gap: 6px;
    padding: 8px 10px;
}

.nav-tabs::-webkit-scrollbar { height: 0; }

.nav-btn {
    padding: 10px 24px;
    height: auto;
    background-color: #121212;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    color: #999;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.nav-btn:hover {
    color: #ffffff;
    border-color: #444;
    background-color: #1e1e1e;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.nav-btn.active {
    color: #ffffff;
    border-color: #00d4ff;
    background: linear-gradient(145deg, #005f73, #00d4ff);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0,212,255,0.4);
    transform: translateY(-1px);
}

.nav-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 10px 10px 0 0;
}

.nav-btn-logout {
    padding: 7px 14px;
    background-color: transparent;
    border: 1px solid #ff6b6b;
    border-radius: 6px;
    color: #ff6b6b;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: auto;
    flex-shrink: 0;
}

.nav-btn-logout:hover {
    background-color: #ff6b6b;
    color: white;
}

.nav-btn-logout-main {
    padding: 10px 20px;
    background-color: #1a1a1a;
    border: 1px solid #333;
    border-radius: 12px;
    color: #999;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: auto;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.nav-btn-logout-main:hover {
    color: #ff6b6b;
    border-color: #ff6b6b;
    background-color: rgba(255,107,107,0.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    padding: 32px 40px;
    overflow-y: auto;
    background-color: #0d0d0d;
    min-width: 0;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #00d4ff;
    font-weight: 700;
    text-align: center;
}

/* CURRENCY INDICATOR */
.currency-indicator {
    position: fixed;
    top: 60px;
    right: 20px;
    background-color: #1a1a1a;
    padding: 6px 16px;
    border-radius: 6px;
    border: 1px solid #333333;
    color: #00d4ff;
    font-weight: 600;
    font-size: 13px;
    z-index: 400;
}

/* SUMMARY CARDS AT TOP */
.summary-cards-top {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
    justify-content: center;
}

.summary-card-item {
    background-color: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #333333;
    padding: 8px 20px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    min-width: 180px;
    flex: 1 1 300px;
    max-width: 400px;
}

.summary-card-label {
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.summary-card-value {
    font-size: 28px;
    font-weight: 700;
    color: #ffeb3b; /* More vibrant yellow (Electric Yellow) */
}

.summary-card-value.positive {
    color: #00ff66; /* More vibrant green (Neon Green) */
}

.summary-card-value.negative {
    color: #ff3333; /* More vibrant red (Vivid Red) */
}

.balance-change {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 5px;
    min-height: 24px;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.3);
}

.balance-change.show {
    display: flex;
}

.btn-dismiss-change {
    background: transparent;
    color: #888;
    border: 1px solid #444;
    padding: 0px 5px;
    font-size: 10px;
    cursor: pointer;
    border-radius: 3px;
    line-height: 1;
}

.btn-dismiss-change:hover {
    color: #fff;
    border-color: #888;
}

.balance-change.up {
    color: #66dd88;
}

.balance-change.down {
    color: #ff6666;
}

/* TABLES LAYOUT */
.tables-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.table-section {
    background-color: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #333333;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.table-header {
    background-color: #0d0d0d;
    padding: 16px;
    border-bottom: 3px solid #d4af37;
    font-size: 20px;
    font-weight: 700;
    color: #d4af37;
    text-align: center;
}

.table-header.expense {
    border-bottom-color: #ff6666;
    color: #ff6666;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: #0d0d0d;
}

th {
    padding: 14px 16px;
    text-align: center;
    font-size: 17px;
    font-weight: 700;
    color: #d4af37;
    border-bottom: 2px solid #333333;
}

th:first-child {
    text-align: center;
}

th:last-child {
    text-align: center;
    width: 50px;
}

td {
    padding: 6px 10px;
    border-bottom: 1px solid #262626;
    font-size: 18px;
    line-height: 1.2;
    color: #d0d8e8;
    position: relative;
}

td:first-child {
    text-align: center;
}

td:nth-child(2) {
    text-align: right;
    font-weight: 600;
}

td:nth-child(2) input {
    text-align: right;
}

td:last-child {
    text-align: center;
}

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

tbody tr:hover {
    background-color: #262626;
}

/* TOOLTIP FOR TIMESTAMP - ON AMOUNT COLUMN */
.amount-cell {
    position: relative;
}

.amount-cell.has-timestamp {
    cursor: help;
    border-bottom: 1px dotted #888;
}

.amount-cell.has-timestamp::after {
    content: attr(data-timestamp);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #0d0d0d;
    color: #d4af37;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 10;
    border: 1px solid #333333;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    font-weight: 600;
}

.amount-cell.has-timestamp:hover::after {
    opacity: 1;
}

/* INPUT FIELDS */
input {
    width: 100%;
    padding: 6px 8px;
    background-color: #262626;
    border: 2px solid #333333;
    border-radius: 4px;
    color: #e0e0e0;
    font-size: 17px;
    line-height: 1.2;
    font-family: inherit;
    text-align: left;
}

input:focus {
    outline: none;
    border-color: #00d4ff;
    background-color: #1a1a1a;
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
}

/* Remove number input spinners */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    text-align: right;
}

/* TOTAL ROW */
.total-row {
    background-color: #0d0d0d;
    border-top: 3px solid #d4af37;
    font-weight: 700;
    font-size: 16px;
}

.total-row.expense {
    border-top-color: #ff6666;
}

.total-row td {
    padding: 8px 10px;
    color: #d4af37;
}

.total-row.expense td {
    color: #ff6666;
}

.btn-container {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn-add-mini {
    background: #d4af37;
    color: #000;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 5px;
}

.btn-add-mini:hover {
    background: #f1c40f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-add-mini.expense {
    background: #ff6666;
    color: white;
}

.btn-add-mini.expense:hover {
    background: #ff4d4d;
    box-shadow: 0 4px 12px rgba(255, 102, 102, 0.3);
}

.btn-undo-redo {
    background: #00d4ff;
    color: #0d0d0d;
    border: none;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-undo-redo:hover {
    background: #00e6ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.btn-undo-redo:disabled {
    background: #555;
    color: #888;
    cursor: not-allowed;
    transform: none;
}

.btn-clear {
    background-color: transparent;
    color: #ff6666;
    border: 2px solid #ff6666;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clear:hover {
    background-color: #ff6666;
    color: white;
}

.btn-save {
    background-color: #d4af37;
    color: #0d0d0d;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-save:hover {
    background-color: #f1c40f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.btn-add-small {
    background-color: #00d4ff;
    color: #0d0d0d;
    padding: 12px 20px;
    font-size: 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-add-small:hover {
    background-color: #00e6ff;
    transform: translateY(-2px);
}

.btn-delete {
    background-color: transparent;
    color: #ff6666;
    padding: 4px 8px;
    font-size: 13px;
    width: auto;
    border: 2px solid #ff6666;
    border-radius: 4px;
    min-width: 34px;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1.1;
}

.btn-delete:hover {
    background-color: #ff6666;
    color: white;
}

.btn-secondary {
    background-color: #2a4a3a;
    color: #66dd88;
    border: 2px solid #66dd88;
    padding: 12px 20px;
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background-color: #66dd88;
    color: #0d0d0d;
}

.btn-danger {
    background-color: #4a2a2a;
    color: #ff6666;
    padding: 12px 20px;
    font-size: 14px;
    border: 2px solid #ff6666;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background-color: #ff6666;
    color: white;
}

.btn-save-history {
    background-color: #2a3a4a;
    color: #66dd88;
    padding: 12px 24px;
    font-size: 14px;
    border: 2px solid #66dd88;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-save-history:hover {
    background-color: #66dd88;
    color: #0d0d0d;
}

/* ===== CATEGORY DROPDOWN STYLES ===== */
.cat-select {
    width: 100%;
    background: #1a1a2e;
    color: #e0e0e0;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 7px 22px 7px 8px;
    font-size: 17px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 7px center;
    min-height: 36px;
}
.cat-select:focus { outline: none; border-color: #ffd700; }
.cat-select option { background: #1a1a2e; font-size: 17px; }

/* Expense table 4-col layout */
table.expense-table { table-layout: fixed; width: 100%; }
table.expense-table th:nth-child(1),
table.expense-table td:nth-child(1) { width: 22%; text-align: left !important; font-weight: normal !important; }
table.expense-table th:nth-child(2) { width: 42%; text-align: center !important; }
table.expense-table td:nth-child(2) { width: 42%; text-align: left !important; font-weight: normal !important; }
table.expense-table td:nth-child(2) input { text-align: left !important; }
table.expense-table th:nth-child(3),
table.expense-table td:nth-child(3) { width: 22%; text-align: right; }
table.expense-table th:nth-child(4),
table.expense-table td:nth-child(4) { width: 14%; text-align: center; }
table.expense-table tr { height: 44px; }
/* Fix total row - remove previous override, handled by inline style in JS */
table.expense-table .total-row td:nth-child(2) { text-align: center !important; font-weight: 700; }

/* Category color badges on select */
.cat-badge {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-right: 4px;
    vertical-align: middle;
}

/* ===== SUMMARY DASHBOARD BUTTON ===== */
.btn-summary-dashboard {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #ffd700;
    border: 2px solid #ffd700;
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
}
.btn-summary-dashboard:hover {
    background: #ffd700;
    color: #0d0d0d;
}

/* ===== EXPENSE DASHBOARD MODAL ===== */
.exp-dashboard-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.exp-dashboard-overlay.show { display: flex; }
.exp-dashboard-modal {
    background: #111;
    border: 2px solid #333;
    border-radius: 16px;
    padding: 28px;
    width: 96%;
    max-width: 860px;
    max-height: 92vh;
    overflow-y: auto;
}
.exp-dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.exp-dash-title {
    color: #ffd700;
    font-size: 22px;
    font-weight: 700;
}
.exp-dash-close {
    background: none;
    border: none;
    color: #aaa;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
}
.exp-dash-close:hover { color: #fff; }
.exp-dash-totals {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}
.exp-dash-total-card {
    background: #1a1a1a;
    border-radius: 10px;
    padding: 14px 16px;
    text-align: center;
}
.exp-dash-total-label { font-size: 14px; color: #888; margin-bottom: 6px; }
.exp-dash-total-value { font-size: 32px; font-weight: 700; }
.exp-dash-total-value.positive { color: #00ff66; } /* Vivid Green */
.exp-dash-total-value.negative { color: #ff3333; } /* Vivid Red */
.exp-dash-total-value.gold { color: #ffeb3b; }     /* Vivid Yellow */

.exp-dash-chart-area {
    display: flex;
    gap: 28px;
    align-items: center;
    margin-bottom: 18px;
}
.exp-dash-canvas-wrap {
    flex-shrink: 0;
    position: relative;
    width: 320px;
    height: 320px;
}
#expDashCanvas { display: block; }
.exp-dash-canvas-label {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.exp-dash-canvas-label span:first-child {
    font-size: 17px; color: #888;
}
.exp-dash-canvas-label span:last-child {
    font-size: 28px; font-weight: 700; color: #ffd700;
}

.exp-dash-legend {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 4px;
}
.exp-dash-legend::-webkit-scrollbar { width: 4px; }
.exp-dash-legend::-webkit-scrollbar-track { background: #1a1a1a; border-radius: 2px; }
.exp-dash-legend::-webkit-scrollbar-thumb { background: #444; border-radius: 2px; }
.exp-dash-legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    padding: 8px 12px;
    border-radius: 8px;
    background: #1a1a1a;
}
.exp-dash-legend-dot {
    display: none;
}
.exp-dash-legend-name { flex: 1; color: #ccc; font-size: 17px; }
.exp-dash-legend-pct { color: #ffd700; font-weight: 700; min-width: 42px; text-align: right; font-size: 17px; }
.exp-dash-legend-amt { color: #eee; min-width: 100px; text-align: right; font-size: 17px; font-weight: 600; }

/* Mobile: stack chart and legend vertically */
@media (max-width: 600px) {
    .exp-dash-chart-area {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .exp-dash-canvas-wrap {
        width: 260px;
        height: 260px;
    }
    #expDashCanvas {
        width: 260px !important;
        height: 260px !important;
    }
    .exp-dash-legend {
        max-height: none;
        width: 100%;
        overflow-y: visible;
    }
    .exp-dash-legend-item {
        font-size: 14px;
    }
    .exp-dash-legend-amt {
        min-width: 70px;
        font-size: 13px;
    }
}

.exp-dash-no-data {
    text-align: center;
    color: #555;
    padding: 30px;
    font-size: 14px;
}

.history-details-btn {
    background: #333;
    color: #d4af37;
    border: 1px solid #d4af37;
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.2s;
}

.history-details-btn:hover {
    background: #d4af37;
    color: #000;
}

.history-details-modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.history-details-content {
    background: #1a1a1a;
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: 12px;
    border: 2px solid #d4af37;
    overflow-y: auto;
    padding: 24px;
    position: relative;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 15px;
}

.details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.details-table th {
    text-align: left;
    color: #888;
    border-bottom: 1px solid #333;
    padding: 5px;
}

.details-table td {
    padding: 5px;
    border-bottom: 1px solid #222;
    text-align: left;
}

.details-table td.details-amount {
    text-align: right;
    font-weight: 600;
}

.details-summary {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 2px solid #333;
    display: flex;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

.details-summary-item {
    flex: 1;
    min-width: 120px;
    background: #222;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
}

.details-summary-label {
    font-size: 11px;
    color: #888;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.details-summary-value {
    font-size: 16px;
    font-weight: 700;
    color: #d4af37;
}

.details-summary-value.positive {
    color: #66dd88;
}

.details-summary-value.negative {
    color: #ff6666;
}

/* BACKUP SECTION */
.backup-section {
    background-color: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #333333;
    padding: 24px;
    margin-top: 30px;
}

.backup-title {
    font-size: 20px;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 16px;
}

.backup-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* HISTORY SECTION */
.history-container {
    background-color: #1a1a1a;
    border-radius: 8px;
    border: 2px solid #333333;
    padding: 24px;
    margin-bottom: 30px;
}

.history-title {
    font-size: 20px;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 20px;
}

.history-type-switch {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.history-type-btn {
    background-color: #1f1f1f;
    color: #b0b8c8;
    border: 2px solid #333333;
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.history-type-btn.active {
    background-color: #00d4ff;
    color: #0d0d0d;
    border-color: #00d4ff;
}

.history-list {
    max-height: 600px;
    overflow-y: auto;
}

.history-item {
    background-color: #262626;
    padding: 14px;
    margin-bottom: 6px;
    border-radius: 6px;
    border-left: 4px solid #d4af37;
    position: relative;
}

.btn-delete-history {
    position: absolute;
    top: 10px;
    right: 10px;
    background: transparent;
    color: #ff6666;
    border: 1px solid #ff6666;
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-delete-history:hover {
    background: #ff6666;
    color: white;
}

.history-item.expense {
    border-left-color: #ff6666;
}

.history-date {
    font-size: 13px;
    color: #888;
    margin-bottom: 10px;
}

.history-data {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    font-size: 16px;
}

.history-data-item {
    text-align: center;
}

.history-data-label {
    font-size: 11px;
    color: #888;
    margin-bottom: 4px;
}

.history-data-value {
    font-size: 24px;
    font-weight: 700;
    color: #d4af37;
}

.history-data-value.positive {
    color: #66dd88;
}

.history-data-value.negative {
    color: #ff6666;
}

.empty-history {
    text-align: center;
    color: #888;
    padding: 40px 20px;
    font-size: 16px;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .tables-container {
        grid-template-columns: 1fr;
    }
    .summary-cards-top {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
    .history-data {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 16px;
    }
    .currency-indicator {
        position: static;
        margin: 8px 16px;
        display: inline-block;
    }
    h2 {
        font-size: 24px;
        margin-bottom: 16px;
    }
    .summary-cards-top {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        margin-bottom: 16px;
    }
    .btn-container {
        flex-direction: row;
        flex-wrap: wrap;
    }
    table {
        font-size: 14px;
    }
    td, th {
        padding: 6px 8px;
        font-size: 14px;
    }
    .nav-btn { padding: 0 12px; font-size: 13px; height: 46px; }
}

@media (max-width: 480px) {
    .main-content {
        padding: 15px;
    }
    h2 {
        font-size: 24px;
    }
    .summary-card-value {
        font-size: 20px;
    }
    button {
        padding: 12px 16px;
        font-size: 14px;
    }
    .sidebar-header h1 {
        font-size: 36px;
    }
}

/* MODAL STYLES */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 8px;
    border: 2px solid #333333;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

.modal-title {
    font-size: 22px;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 20px;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.modal-buttons button {
    flex: 1;
}

.btn-modal {
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-cancel {
    background-color: #333;
    color: #e0e0e0;
}

.btn-cancel:hover {
    background-color: #444;
}

.btn-confirm {
    background-color: #ff6666;
    color: white;
}

.btn-confirm:hover {
    background-color: #ff4d4d;
}
/* ===== CATEGORY CARDS ROW ===== */
.cat-cards-section { margin-bottom: 20px; }
.cat-cards-label {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.cat-cards-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 4px 0;
}
.cat-card {
    background: #151515;
    border: 2px solid #333;
    border-radius: 12px;
    padding: 14px 18px;
    min-width: 130px;
    max-width: 170px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    position: relative;
    flex: 1 1 130px;
}
.cat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.6);
    filter: brightness(1.1);
}
.cat-card-icon {
    font-size: 26px;
    margin-bottom: 6px;
    line-height: 1;
}
.cat-card-name {
    font-size: 13px;
    font-weight: 600;
    color: #aaa;
    margin-bottom: 6px;
    line-height: 1.3;
    word-break: break-word;
}
.cat-card-amount {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 4px;
    text-align: center;
    word-break: break-all;
}
.cat-card-pct {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-top: 3px;
    opacity: 0.9;
    text-align: center;
}
.cat-card-zero { opacity: 0.35; }

/* IN category cards */
.cat-cards-in-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 4px 0;
    justify-content: center;
}
.cat-card-in {
    background: #0d1a1a;
    border: 2px solid #1a4a3a;
    border-radius: 12px;
    padding: 14px 18px;
    min-width: 130px;
    max-width: 200px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    flex: 0 0 auto;
}
.cat-card-in:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

/* ===== CATEGORY DETAIL POPUP ===== */
.cat-popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.cat-popup-overlay.show { display: flex; }
.cat-popup-modal {
    background: #111;
    border: 2px solid #333;
    border-radius: 14px;
    padding: 32px;
    width: 96%;
    max-width: 820px;
    max-height: 88vh;
    overflow-y: auto;
}
.cat-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}
.cat-popup-title {
    font-size: 22px;
    font-weight: 700;
    flex: 1;
    text-align: center;
}
.cat-popup-total {
    font-size: 24px;
    font-weight: 700;
    white-space: nowrap;
    margin-left: auto;
    text-align: right;
}
.cat-popup-close {
    background: none;
    border: none;
    color: #aaa;
    font-size: 26px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    margin-left: 8px;
    flex-shrink: 0;
}
.cat-popup-close:hover { color: #fff; }
.cat-popup-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 18px;
}
.cat-popup-table th {
    color: #888;
    padding: 10px 12px;
    border-bottom: 1px solid #2a2a2a;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.cat-popup-table th.th-num { text-align: center; width: 36px; }
.cat-popup-table th.th-reason { text-align: left; }
.cat-popup-table th.td-date { text-align: center; width: 100px; }
.cat-popup-table th.th-amount { text-align: right; width: 140px; }
.cat-popup-table th.th-action-inline { text-align: center; width: 100px; }
.cat-popup-table td {
    padding: 10px 12px;
    border-bottom: 1px solid #1a1a1a;
    color: #ffffff;
    font-size: 18px;
}
.cat-popup-table td.td-num {
    text-align: center;
    color: #666;
    font-size: 15px;
    width: 36px;
}
.cat-popup-table td.td-reason {
    text-align: left;
    font-weight: 500;
    color: #ffffff;
    font-size: 19px;
}
.cat-popup-table td.td-date {
    text-align: center;
    color: #a0a0a0; /* Soft grey, not too bright but distinct from white */
    font-size: 19px;
    font-weight: 700;
}
.cat-popup-table td.td-amount {
    text-align: right;
    font-weight: 700;
    font-size: 19px;
    color: #ffffff !important;
}
.cat-popup-table td.td-action-inline {
    text-align: center;
    width: 100px;
    white-space: nowrap;
}
/* Edit inputs in popup - text stays left */
.cat-popup-table td.td-reason input.popup-edit-input {
    background: #1a1a2e;
    color: #e0e0e0;
    border: 1.5px solid #00d4ff;
    border-radius: 5px;
    padding: 6px 10px;
    font-size: 18px;
    width: 100%;
    min-width: 140px;
    text-align: left;
}
.cat-popup-table td.td-amount input.popup-edit-amount {
    background: #1a1a2e;
    color: #ffd700;
    border: 1.5px solid #ffd700;
    border-radius: 5px;
    padding: 6px 8px;
    font-size: 18px;
    width: 100%;
    text-align: right;
}
.btn-popup-delete {
    background: transparent;
    color: #ff6666;
    border: 1px solid #ff4444;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    line-height: 1.3;
}
.btn-popup-delete:hover { background: #ff4444; color: #fff; }
.btn-popup-cat {
    background: transparent;
    color: #888;
    border: 1px solid #444;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 3px;
}
.btn-popup-cat:hover { background: #333; color: #fff; }
.btn-popup-edit {
    background: transparent;
    color: #00d4ff;
    border: 1px solid #00d4ff;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: 3px;
}
.btn-popup-edit:hover { background: #00d4ff; color: #000; }
.btn-popup-save {
    background: #00d4ff;
    color: #000;
    border: none;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-popup-save:hover { background: #00e6ff; }

/* Category change inline select in popup */
.cat-popup-inline-select {
    background: #1a1a2e;
    color: #e0e0e0;
    border: 1px solid #444;
    border-radius: 4px;
    padding: 5px 8px;
    font-size: 15px;
    cursor: pointer;
    max-width: 160px;
}
.cat-popup-inline-select:focus { outline: none; border-color: #00d4ff; }
.cat-popup-empty {
    text-align: center;
    color: #555;
    padding: 24px;
    font-size: 16px;
}

/* ADD ENTRY TOOLBAR */
.action-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    background: #161616;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    padding: 8px 14px;
    flex-wrap: nowrap;
    overflow-x: auto;
}
.action-toolbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.action-toolbar-divider {
    width: 1px;
    height: 28px;
    background: #333;
    flex-shrink: 0;
    margin: 0 4px;
}
.action-toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
}
.add-entry-select {
    background: #1a1a1a;
    color: #e0e0e0;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 12px 12px;
    font-size: 16px;
    cursor: pointer;
    flex-shrink: 0;
}
.add-entry-select:focus { outline: none; border-color: #00d4ff; }
.add-entry-input {
    background: #1a1a1a;
    color: #e0e0e0;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 12px 12px;
    font-size: 16px;
    width: 160px;
    flex-shrink: 0;
}
.add-entry-input:focus { outline: none; border-color: #00d4ff; box-shadow: 0 0 6px rgba(0,212,255,0.2); }
.add-entry-amount {
    background: #1a1a1a;
    color: #e0e0e0;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 12px 12px;
    font-size: 16px;
    width: 130px;
    text-align: right;
    flex-shrink: 0;
}
.add-entry-amount:focus { outline: none; border-color: #00d4ff; box-shadow: 0 0 6px rgba(0,212,255,0.2); }
.btn-add-entry {
    background: #00d4ff;
    color: #0d0d0d;
    border: none;
    border-radius: 6px;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.2s;
}
.btn-add-entry:hover { background: #00e6ff; }
.btn-toolbar-summary {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #ffd700;
    border: 1.5px solid #ffd700;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
    white-space: nowrap;
}
.btn-toolbar-summary:hover { background: #ffd700; color: #0d0d0d; }
.btn-toolbar-clear {
    background-color: transparent;
    color: #ff6666;
    border: 1.5px solid #ff6666;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-toolbar-clear:hover { background-color: #ff6666; color: white; }
.btn-toolbar-history {
    background-color: #2a3a4a;
    color: #66dd88;
    padding: 12px 16px;
    font-size: 14px;
    border: 1.5px solid #66dd88;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-toolbar-history:hover { background-color: #66dd88; color: #0d0d0d; }

/* LOGIN PAGE */
#login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #0d0d0d;
}
.login-box {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}
.login-box h1 { font-size: 48px; margin-bottom: 8px; }
.login-box h2 { color: #00d4ff; font-size: 20px; margin-bottom: 32px; }
.login-box input {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: #0d0d0d;
    border: 1px solid #444;
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 15px;
    box-sizing: border-box;
}
.login-box input:focus { outline: none; border-color: #00d4ff; }
.login-btn {
    width: 100%;
    padding: 13px;
    background: #00d4ff;
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
}
.login-btn:hover { background: #00b8d9; }
.login-error {
    color: #ff4444;
    font-size: 13px;
    margin-top: 12px;
    min-height: 20px;
}
#app-screen { display: none; }