/* ========================================
   BudgetWise — Premium Dark UI
   ======================================== */

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

:root {
    --bg-base: #0d0f14;
    --bg-surface: #141720;
    --bg-card: #1a1e2e;
    --bg-input: #1f2336;
    --border: #2a2f45;
    --border-light: #333a55;
    --text-primary: #eef0f8;
    --text-secondary: #8890b0;
    --text-muted: #505878;
    --accent: #6c63ff;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --income-color: #22c55e;
    --income-bg: rgba(34, 197, 94, 0.12);
    --expense-color: #ef4444;
    --expense-bg: rgba(239, 68, 68, 0.12);
    --warn-color: #f59e0b;
    --warn-bg: rgba(245, 158, 11, 0.12);
    --balance-color: #38bdf8;
    --balance-bg: rgba(56, 189, 248, 0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3);
    --transition: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(108, 99, 255, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(34, 197, 94, 0.06), transparent);
}

/* ── HEADER ── */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 15, 20, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.6rem;
}

.accent {
    color: var(--accent);
}

.month-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.month-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.month-picker {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.month-picker:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── MAIN ── */
.main-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}

/* ── SUMMARY CARDS ── */
.cards-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

@media (max-width: 900px) {
    .cards-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .cards-row {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.card-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.card-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

.card-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
    transition: var(--transition);
}

.card--income .card-value {
    color: var(--income-color);
}

.card--expense .card-value {
    color: var(--expense-color);
}

.card--balance .card-value {
    color: var(--balance-color);
}

.card--savings .card-value {
    color: var(--accent);
}

.card--income {
    border-left: 3px solid var(--income-color);
}

.card--expense {
    border-left: 3px solid var(--expense-color);
}

.card--balance {
    border-left: 3px solid var(--balance-color);
}

.card--savings {
    border-left: 3px solid var(--accent);
}

/* ── TWO COL ── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1100px) {
    .two-col {
        grid-template-columns: 1fr;
    }
}

.left-col,
.right-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── PANEL ── */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-card);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.panel-header .panel-title {
    margin-bottom: 0;
}

.panel-total {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-secondary);
}

/* ── ENTRIES LIST ── */
.entries-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    max-height: 260px;
    overflow-y: auto;
    padding-right: 4px;
}

.entries-list::-webkit-scrollbar {
    width: 4px;
}

.entries-list::-webkit-scrollbar-track {
    background: transparent;
}

.entries-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.entry-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    gap: 10px;
    animation: slideIn 0.25s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.entry-info {
    flex: 1;
}

.entry-desc {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.entry-cat {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.entry-amount {
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
}

.entry-amount--income {
    color: var(--income-color);
}

.entry-amount--expense {
    color: var(--expense-color);
}

.entry-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px 6px;
    border-radius: 6px;
    transition: var(--transition);
    line-height: 1;
}

.entry-delete:hover {
    color: var(--expense-color);
    background: var(--expense-bg);
}

.empty-entries {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
    padding: 20px 0;
}

/* ── ADD FORM ── */
.add-entry-form {
    display: grid;
    grid-template-columns: 1fr auto auto;
    grid-template-rows: 1fr 1fr;
    gap: 8px;
}

.add-entry-form .input-field:nth-child(1) {
    grid-column: 1 / -1;
}

.add-entry-form .input-field:nth-child(2) {
    grid-column: 1;
}

.add-entry-form .input-field:nth-child(3) {
    grid-column: 2;
}

.add-entry-form .btn {
    grid-column: 3;
}

@media (max-width: 600px) {
    .add-entry-form {
        grid-template-columns: 1fr;
        grid-template-rows: unset;
    }

    .add-entry-form .input-field:nth-child(1),
    .add-entry-form .input-field:nth-child(2),
    .add-entry-form .input-field:nth-child(3),
    .add-entry-form .btn {
        grid-column: 1;
    }
}

.input-field {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.88rem;
    padding: 10px 12px;
    width: 100%;
    transition: var(--transition);
}

.input-field::placeholder {
    color: var(--text-muted);
}

.input-field:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-select {
    cursor: pointer;
}

.input-select option {
    background: var(--bg-surface);
}

.btn {
    background: linear-gradient(135deg, var(--accent), #9333ea);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 10px 18px;
    white-space: nowrap;
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(108, 99, 255, 0.35);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.5);
}

.btn:active {
    transform: translateY(0);
}

.btn--expense {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 2px 12px rgba(239, 68, 68, 0.35);
}

.btn--expense:hover {
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.5);
}

/* ── HEALTH BAR ── */
.health-bar-wrapper {
    margin-bottom: 20px;
}

.health-bar-track {
    height: 10px;
    background: var(--bg-input);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 8px;
}

.health-bar-fill {
    height: 100%;
    border-radius: 99px;
    width: 0%;
    transition: width 0.6s ease, background 0.4s ease;
    background: linear-gradient(90deg, var(--income-color), #16a34a);
}

.health-bar-fill.warn {
    background: linear-gradient(90deg, var(--warn-color), #d97706);
}

.health-bar-fill.danger {
    background: linear-gradient(90deg, var(--expense-color), #b91c1c);
}

.health-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

/* ── DONUT CHART ── */
.chart-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

#donutChart {
    flex-shrink: 0;
}

.chart-legend {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.78rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── ADVICE ── */
.panel--advice {
    border-left: 3px solid var(--accent);
}

.advice-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.advice-placeholder {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

.advice-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.5;
    animation: slideIn 0.3s ease;
}

.advice-item--good {
    background: var(--income-bg);
    border-left: 3px solid var(--income-color);
    color: #86efac;
}

.advice-item--warn {
    background: var(--warn-bg);
    border-left: 3px solid var(--warn-color);
    color: #fcd34d;
}

.advice-item--bad {
    background: var(--expense-bg);
    border-left: 3px solid var(--expense-color);
    color: #fca5a5;
}

.advice-item--tip {
    background: rgba(108, 99, 255, 0.12);
    border-left: 3px solid var(--accent);
    color: #c4b5fd;
}

.advice-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ── 50/30/20 ── */
.rules-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    margin-top: -8px;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.rule-item {
    text-align: center;
    padding: 16px 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.rule--needs {
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.3);
}

.rule--wants {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.3);
}

.rule--savings {
    background: var(--income-bg);
    border-color: rgba(34, 197, 94, 0.3);
}

.rule-pct {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.rule--needs .rule-pct {
    color: var(--balance-color);
}

.rule--wants .rule-pct {
    color: var(--warn-color);
}

.rule--savings .rule-pct {
    color: var(--income-color);
}

.rule-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.rule-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    line-height: 1.4;
}

.rule-actual {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ── BREAKDOWN TABLE ── */
.panel--breakdown {
    margin-bottom: 0;
}

.breakdown-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.breakdown-table thead th {
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.breakdown-table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid rgba(42, 47, 69, 0.5);
    color: var(--text-primary);
}

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

.breakdown-table tbody tr:hover td {
    background: rgba(255, 255, 255, 0.025);
}

.empty-row {
    text-align: center;
    color: var(--text-muted) !important;
    font-style: italic;
    padding: 24px !important;
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge--ok {
    background: var(--income-bg);
    color: var(--income-color);
}

.badge--warn {
    background: var(--warn-bg);
    color: var(--warn-color);
}

.badge--high {
    background: var(--expense-bg);
    color: var(--expense-color);
}

/* ── FOOTER ── */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.78rem;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

/* ── ANIMATIONS ── */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.card-value.updating {
    animation: pulse 0.3s ease;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}