/* =========================================================================
   Family Finance · Mini App styles
   - Dark & light themes (data-theme)
   - Fully responsive: mobile first, desktop grids from 1024px
   - Animations: card entrance, count-up, progress, modals, toasts
   ========================================================================= */

:root {
    --bg-base: #090d16;
    --bg-surface: #111827;
    --bg-elevated: #1a2236;
    --bg-input: #151d30;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --border-active: #6366f1;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-indigo: #6366f1;
    --accent-indigo-soft: rgba(99, 102, 241, 0.14);
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --accent-amber: #f59e0b;

    --shadow-card: 0 6px 22px rgba(0, 0, 0, 0.18);
    --shadow-float: 0 12px 34px rgba(0, 0, 0, 0.42);
    --blur-bg: rgba(9, 13, 22, 0.92);

    --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.16) 0%, rgba(16, 185, 129, 0.07) 100%);
    --gradient-btn: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);

    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;

    --ease-pop: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.15s ease;
}

[data-theme="light"] {
    --bg-base: #f2f5fb;
    --bg-surface: #ffffff;
    --bg-elevated: #f7f9fd;
    --bg-input: #f2f5fb;
    --bg-hover: rgba(15, 23, 42, 0.04);
    --border-subtle: rgba(15, 23, 42, 0.09);
    --border-strong: rgba(15, 23, 42, 0.18);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #8494ab;

    --accent-indigo-soft: rgba(99, 102, 241, 0.1);
    --shadow-card: 0 4px 18px rgba(15, 23, 42, 0.07);
    --shadow-float: 0 16px 40px rgba(15, 23, 42, 0.18);
    --blur-bg: rgba(242, 245, 251, 0.92);

    --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(16, 185, 129, 0.08) 100%);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-tap-highlight-color: transparent;
}

html {
    min-height: 100%;
    background-color: var(--bg-base);
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100%;
    margin: 0;
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.25s ease, color 0.25s ease;
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

button {
    font: inherit;
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
    border-radius: 6px;
}

.hidden {
    display: none !important;
}

kbd {
    font-family: 'JetBrains Mono', monospace;
}

/* ------------------------------------------------------------------ *
 * Layout
 * ------------------------------------------------------------------ */
.app-container {
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding-bottom: 40px;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--blur-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: max(12px, env(safe-area-inset-top)) 16px 12px 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.month-selector {
    height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-surface);
    padding: 0 8px;
    border-radius: 9999px;
    border: 1px solid var(--border-subtle);
    position: relative;
    flex-shrink: 0;
}

.month-label {
    font-size: 13px;
    font-weight: 700;
    min-width: 108px;
    text-align: center;
    color: var(--text-primary);
    user-select: none;
    background: none;
    border: none;
    padding: 6px 2px;
    cursor: pointer;
    border-radius: 8px;
    transition: color var(--transition-fast);
}

.month-label:hover {
    color: var(--accent-cyan);
}

.month-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 190px;
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-float);
    padding: 6px;
    z-index: 60;
    animation: dropdownIn 0.18s var(--ease-pop);
}

.month-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 9px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.month-dropdown-item:hover,
.month-dropdown-item.active {
    background: var(--accent-indigo-soft);
    color: var(--text-primary);
}

.month-dropdown-item .month-count {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.nav-arrow-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 50%;
    transition: transform var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.nav-arrow-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-arrow-btn:active {
    transform: scale(0.88);
    color: var(--accent-cyan);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.icon-btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.icon-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--border-strong);
    background: var(--bg-elevated);
}

.icon-btn:active {
    transform: scale(0.92);
}

.icon-btn.spinning svg {
    animation: spin 0.8s linear infinite;
}

.add-button {
    height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gradient-btn);
    color: #ffffff;
    border: none;
    font-size: 13px;
    font-weight: 700;
    padding: 0 16px;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.add-button:hover {
    filter: brightness(1.08);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.add-button:active {
    transform: scale(0.96);
}

/* View tabs */
.view-tabs {
    display: flex;
    background: var(--bg-surface);
    margin: 12px 16px 0 16px;
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    gap: 4px;
}

.view-tab-btn {
    flex: 1;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 0 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.view-tab-btn:hover {
    color: var(--text-secondary);
}

.view-tab-btn.active {
    background: var(--bg-elevated);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.kbd-hint {
    display: none;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 5px;
    background: var(--bg-hover);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

/* Main content */
.content-scroll {
    padding: 12px 16px 40px 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-sizing: border-box;
}

.view-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Card base */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 18px;
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.card-enter {
    animation: fadeInUp 0.42s var(--ease-pop) both;
}

.view-section .card-enter:nth-child(1) { animation-delay: 0.02s; }
.view-section .card-enter:nth-child(2) { animation-delay: 0.07s; }
.view-section .card-enter:nth-child(3) { animation-delay: 0.12s; }
.view-section .card-enter:nth-child(4) { animation-delay: 0.17s; }
.view-section .card-enter:nth-child(5) { animation-delay: 0.22s; }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

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

/* ------------------------------------------------------------------ *
 * Hero
 * ------------------------------------------------------------------ */
.hero-card {
    background: var(--bg-surface);
    background-image: var(--gradient-hero);
    border: 1px solid var(--border-subtle);
    border-radius: 22px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #10b981, #6366f1);
}

.card-eyebrow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.eyebrow-text {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.6px;
    color: var(--text-muted);
}

.status-pill {
    background: var(--accent-indigo-soft);
    color: var(--accent-indigo);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid rgba(99, 102, 241, 0.25);
}

[data-theme="dark"] .status-pill {
    color: #a5b4fc;
}

.balance-display {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.balance-number {
    font-size: clamp(30px, 9vw, 42px);
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    transition: color 0.25s ease;
}

.balance-currency {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-cyan);
}

.balance-spark {
    height: 38px;
    margin: 10px 0 12px 0;
    display: flex;
    align-items: flex-end;
    gap: 3px;
}

.balance-spark.hidden {
    display: none !important;
}

.spark-bar {
    flex: 1;
    min-width: 2px;
    height: 100%;
    border-radius: 3px 3px 2px 2px;
    background: var(--accent-indigo);
    opacity: 0.8;
    transform: scaleY(0.04);
    transform-origin: bottom;
    transition: transform 0.55s var(--ease-pop), opacity 0.2s ease;
    animation: fadeIn 0.4s ease both;
}

.spark-bar.is-empty {
    background: var(--bg-hover);
    opacity: 1;
}

.spark-bar.is-today {
    background: var(--accent-cyan);
    opacity: 1;
}

.income-expense-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stat-pill {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 9px 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-align: left;
}

.stat-pill-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-pill-val {
    font-size: 14px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.income-pill .stat-pill-val { color: var(--accent-emerald); }
.expense-pill .stat-pill-val { color: var(--accent-rose); }

.stat-pill.interactive {
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.stat-pill.interactive:hover {
    border-color: var(--border-strong);
    background: var(--bg-hover);
}

.stat-pill.interactive:active {
    transform: scale(0.97);
}

.hero-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px 16px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-subtle);
    font-size: 11.5px;
    color: var(--text-muted);
}

@media (min-width: 640px) {
    .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.hero-meta b {
    color: var(--text-secondary);
}

/* ------------------------------------------------------------------ *
 * Budget
 * ------------------------------------------------------------------ */
.budget-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.budget-spent {
    font-size: 20px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.budget-cur {
    font-size: 13px;
    color: var(--accent-cyan);
    font-weight: 700;
}

.budget-of {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.progress-track {
    width: 100%;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 99px;
    overflow: hidden;
}

.progress-track.big {
    height: 9px;
    background: rgba(148, 163, 184, 0.18);
    background: color-mix(in srgb, var(--text-muted) 16%, transparent);
}

.progress-fill {
    height: 100%;
    border-radius: 99px;
    width: 0;
    background: var(--accent-indigo);
    transition: width 0.75s var(--ease-pop), background 0.3s ease;
    position: relative;
}

.progress-fill.animated::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    animation: shimmer 1.6s ease 1;
}

.budget-meta {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.budget-card.no-budget .budget-row,
.budget-card.no-budget .progress-track {
    display: none;
}

.budget-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 4px;
}

.budget-form-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ------------------------------------------------------------------ *
 * Chart
 * ------------------------------------------------------------------ */
.chart-controls-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.flow-pill-switch,
.chart-type-tabs {
    display: flex;
    background: var(--bg-elevated);
    border-radius: 99px;
    padding: 3px;
    border: 1px solid var(--border-subtle);
    gap: 2px;
}

.chart-type-tabs {
    border-radius: var(--radius-sm);
}

.flow-pill-btn,
.mini-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.mini-tab {
    border-radius: 8px;
}

.flow-pill-btn:hover,
.mini-tab:hover {
    color: var(--text-secondary);
}

.flow-pill-btn.active,
.mini-tab.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.22);
}

#chartFlowIncomeBtn.active,
#catFlowIncomeBtn.active {
    color: var(--accent-emerald);
}

#chartFlowExpenseBtn.active,
#catFlowExpenseBtn.active {
    color: var(--accent-rose);
}

.chart-wrapper {
    position: relative;
    height: 210px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-wrapper canvas {
    animation: chartIn 0.5s var(--ease-pop);
}

.chart-center-label {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    gap: 2px;
}

.chart-center-value {
    font-size: 19px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.chart-center-caption {
    font-size: 10.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-weight: 700;
}

.chart-legend-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

.legend-badge-item {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 0;
    padding: 4px;
    border-radius: 7px;
    transition: background var(--transition-fast);
}

.legend-badge-item:hover {
    background: var(--bg-hover);
}

.legend-badge-item span {
    min-width: 0;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.legend-badge-item b {
    color: var(--text-primary);
    white-space: nowrap;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
}

/* Категории */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.category-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
    animation: fadeInUp 0.35s var(--ease-pop) both;
}

.category-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.category-card:active {
    transform: scale(0.98);
}

.category-card.active {
    border-color: var(--border-active);
    background: var(--accent-indigo-soft);
    box-shadow: 0 0 0 1px var(--accent-indigo) inset;
}

.category-card-top {
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-icon-box {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.category-text-meta {
    flex: 1;
    overflow: hidden;
}

.category-name-text {
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.category-numbers-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 6px;
}

.category-amount-bold {
    font-size: 13px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.category-percent-pill {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.category-filter-hint {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: var(--accent-indigo-soft);
    font-size: 12px;
    color: var(--text-secondary);
    animation: fadeIn 0.2s ease;
}

/* ------------------------------------------------------------------ *
 * Calendar
 * ------------------------------------------------------------------ */
.calendar-card {
    padding: 16px;
}

.calendar-controls-top {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 14px;
}

.calendar-flow-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--bg-elevated);
    padding: 3px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    gap: 3px;
}

.cal-flow-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    padding: 7px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cal-flow-btn.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}

.cal-flow-btn[data-flow="income"].active { color: var(--accent-emerald); }
.cal-flow-btn[data-flow="expense"].active { color: var(--accent-rose); }

.calendar-mode-row {
    display: flex;
    width: 100%;
}

.cal-mode-tabs {
    display: flex;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 2px;
    width: 100%;
    gap: 2px;
}

.cal-mode-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    padding: 7px 8px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cal-mode-tab:hover { color: var(--text-secondary); }

.cal-mode-tab.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}

.cal-today-tab.active {
    color: var(--accent-cyan);
}

.cal-range-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.22);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    animation: fadeIn 0.2s ease;
}

.calendar-days-week {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
    animation: cellIn 0.22s var(--ease-pop) both;
}

.calendar-day-cell:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.calendar-day-cell.empty {
    background: none;
    border: none;
    pointer-events: none;
    animation: none;
}

.calendar-day-cell.today {
    box-shadow: 0 0 0 1.5px var(--accent-cyan) inset;
}

.calendar-day-cell.today .calendar-day-number {
    color: var(--accent-cyan);
}

.calendar-day-cell.selected {
    border-color: var(--accent-indigo);
    background: var(--accent-indigo-soft);
}

.calendar-day-cell.selected .calendar-day-number {
    color: var(--text-primary);
}

.calendar-day-cell.in-range {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.3);
    border-radius: 4px;
}

.calendar-day-cell.selected-start,
.calendar-day-cell.selected-end {
    background: var(--accent-indigo);
    border-color: var(--accent-indigo);
    color: #ffffff;
}

.calendar-day-cell.selected-start { border-top-right-radius: 4px; border-bottom-right-radius: 4px; }
.calendar-day-cell.selected-end { border-top-left-radius: 4px; border-bottom-left-radius: 4px; }

.calendar-day-cell.selected-start .calendar-day-number,
.calendar-day-cell.selected-end .calendar-day-number {
    color: #ffffff;
}

.calendar-day-number {
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
}

.day-dots-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    height: 5px;
}

.day-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
}

.day-dot.dot-expense { background: var(--accent-rose); }
.day-dot.dot-income { background: var(--accent-emerald); }

.calendar-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-subtle);
    font-size: 11.5px;
    color: var(--text-muted);
}

.calendar-summary b { color: var(--text-secondary); }
.calendar-summary .sum-income b { color: var(--accent-emerald); }
.calendar-summary .sum-expense b { color: var(--accent-rose); }

.calendar-day-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.day-total-badge {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
}

/* ------------------------------------------------------------------ *
 * History & transactions
 * ------------------------------------------------------------------ */
.history-header {
    align-items: flex-start;
}

.history-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 8px 12px 8px 32px;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    outline: none;
    width: 130px;
    transition: width 0.22s var(--ease-pop), border-color var(--transition-fast);
}

.search-input:focus {
    width: 180px;
    border-color: var(--accent-indigo);
}

.search-input::-webkit-search-cancel-button {
    appearance: none;
}

.filter-type-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.filter-type-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    padding: 7px 14px;
    border-radius: 99px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-type-btn:hover { color: var(--text-secondary); border-color: var(--border-strong); }

.filter-type-btn.active {
    background: var(--accent-indigo);
    color: #ffffff;
    border-color: var(--accent-indigo);
}

.history-controls-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

.control-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.control-label-mini {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.form-select-sm {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 9px 10px;
    font-size: 12.5px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    width: 100%;
    transition: border-color var(--transition-fast);
}

.form-select-sm:focus { border-color: var(--accent-indigo); }

.history-summary {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
}

.history-summary b { color: var(--text-secondary); }

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tx-day-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: fadeInUp 0.3s var(--ease-pop) both;
}

.tx-day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 2px 2px 0 2px;
}

.tx-day-header .day-sum {
    font-family: 'JetBrains Mono', monospace;
    text-transform: none;
    letter-spacing: 0;
}

.transaction-row {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.transaction-row:hover {
    border-color: var(--border-strong);
    background: var(--bg-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-card);
}

.transaction-row:active {
    transform: scale(0.985);
}

.tx-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.tx-icon-box {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-primary);
}

.tx-meta {
    flex: 1;
    min-width: 0;
}

.tx-title {
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tx-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 2px;
    flex-wrap: wrap;
}

.tx-author {
    color: var(--accent-indigo);
    font-weight: 600;
}

[data-theme="dark"] .tx-author { color: #a5b4fc; }

.tx-comment-badge {
    font-size: 11px;
    color: var(--accent-cyan);
    font-style: italic;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.tx-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.tx-amount {
    font-size: 14px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.tx-amount.is-expense { color: var(--text-primary); }
.tx-amount.is-income { color: var(--accent-emerald); }

.empty-state {
    text-align: center;
    padding: 26px 12px;
    color: var(--text-muted);
    font-size: 13px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.empty-state svg { opacity: 0.55; }

/* ------------------------------------------------------------------ *
 * Modals / bottom sheets
 * ------------------------------------------------------------------ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.66);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 100;
    animation: fadeIn 0.18s ease-out;
    padding: 0;
}

.modal-sheet {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 26px 26px 0 0;
    width: 100%;
    max-width: 520px;
    padding: 22px 20px max(26px, env(safe-area-inset-bottom)) 20px;
    max-height: 88vh;
    overflow-y: auto;
    overscroll-behavior: contain;
    animation: sheetSlideUp 0.28s var(--ease-pop);
    box-shadow: var(--shadow-float);
}

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

.modal-header h3 {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.modal-close-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close-btn:hover {
    color: var(--accent-rose);
    transform: rotate(90deg);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.confirm-sheet {
    max-width: 380px;
    margin-bottom: 16px;
    border-radius: 22px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: popIn 0.24s var(--ease-pop);
}

.confirm-icon {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(244, 63, 94, 0.12);
    color: var(--accent-rose);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.confirm-sheet.info .confirm-icon {
    background: rgba(6, 182, 212, 0.12);
    color: var(--accent-cyan);
}

.confirm-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-top: 12px;
}

.confirm-actions > * { flex: 1; }

/* Detail sheet */
.tx-detail-content {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.tx-detail-top {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.tx-detail-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.tx-detail-category {
    font-size: 14px;
    font-weight: 700;
}

.tx-detail-date {
    font-size: 12px;
    color: var(--text-muted);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    padding: 2px 0;
}

.detail-label { color: var(--text-muted); }
.detail-val { font-weight: 600; color: var(--text-primary); text-align: right; }

.comment-box-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.comment-textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 11px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    resize: vertical;
    min-height: 44px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.comment-textarea:focus { border-color: var(--accent-indigo); }

.sheet-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

/* Forms */
.type-switcher-pill {
    display: flex;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 3px;
    gap: 4px;
}

.type-option {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.type-option.active {
    background: var(--accent-indigo);
    color: #ffffff;
}

#typeIncomeBtn.active { background: var(--accent-emerald); }

.input-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.amount-input-box {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0 16px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.amount-input-box:focus-within {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px var(--accent-indigo-soft);
}

.amount-input-box.compact input {
    font-size: 18px;
    padding: 10px 0;
}

.amount-input-box input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    padding: 12px 0;
    outline: none;
    min-width: 0;
}

.amount-input-box input::-webkit-outer-spin-button,
.amount-input-box input::-webkit-inner-spin-button {
    appearance: none;
    margin: 0;
}

.fixed-currency-badge {
    font-size: 15px;
    font-weight: 700;
    color: var(--accent-cyan);
}

.quick-amounts {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.quick-amounts button {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 12.5px;
    font-weight: 700;
    padding: 10px 14px;
    min-height: 40px;
    border-radius: 99px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-amounts button:hover {
    border-color: var(--accent-indigo);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.quick-amounts button:active { transform: scale(0.94); }

.quick-amounts .quick-clear { color: var(--accent-rose); }

.text-input {
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
    min-width: 0;
}

.text-input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px var(--accent-indigo-soft);
}

.text-input.invalid,
.amount-input-box.invalid {
    border-color: var(--accent-rose);
    animation: shake 0.32s ease;
}

.category-chips-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.category-chip {
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 10px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    text-align: center;
}

.category-chip span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.category-chip:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.category-chip.selected {
    border-color: var(--accent-indigo);
    background: var(--accent-indigo-soft);
    color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--accent-indigo) inset;
    animation: popIn 0.2s var(--ease-pop);
}

.primary-btn {
    background: var(--gradient-btn);
    color: #ffffff;
    border: none;
    padding: 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.32);
    transition: transform var(--transition-fast), filter var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
}

.primary-btn:hover { filter: brightness(1.07); }
.primary-btn:active { transform: scale(0.98); }
.primary-btn:disabled { opacity: 0.65; cursor: wait; transform: none; }

.primary-btn.slim,
.danger-btn.slim,
.ghost-btn.slim {
    padding: 10px 16px;
    font-size: 13px;
    flex: 1;
}

.danger-btn {
    background: none;
    border: 1px solid rgba(244, 63, 94, 0.35);
    color: var(--accent-rose);
    padding: 13px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.danger-btn:hover { background: rgba(244, 63, 94, 0.08); }
.danger-btn:active { transform: scale(0.98); }

.ghost-btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 13px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ghost-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }

.btn-spinner {
    width: 15px;
    height: 15px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.text-action-btn {
    background: var(--accent-indigo-soft);
    border: 1px solid rgba(99, 102, 241, 0.28);
    color: var(--accent-indigo);
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

[data-theme="dark"] .text-action-btn { color: #a5b4fc; }

.text-action-btn:hover { filter: brightness(1.15); }

.form-error {
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.3);
    color: var(--accent-rose);
    font-size: 12.5px;
    font-weight: 600;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    animation: shake 0.32s ease;
}

/* ------------------------------------------------------------------ *
 * Toast
 * ------------------------------------------------------------------ */
.toast {
    position: fixed;
    bottom: calc(22px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 11px 18px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 600;
    z-index: 300;
    box-shadow: var(--shadow-float);
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: min(92vw, 460px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.28s var(--ease-pop);
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast.success .toast-icon { color: var(--accent-emerald); }
.toast.error .toast-icon { color: var(--accent-rose); }
.toast.info .toast-icon { color: var(--accent-cyan); }

/* ------------------------------------------------------------------ *
 * Progress bar, loader, footer
 * ------------------------------------------------------------------ */
.top-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2.5px;
    width: 0;
    background: linear-gradient(90deg, #6366f1, #06b6d4, #10b981);
    z-index: 400;
    opacity: 0;
    transition: width 0.25s ease, opacity 0.3s ease;
    border-radius: 0 99px 99px 0;
}

.top-progress.active {
    opacity: 1;
}

.app-loader {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 14px 16px;
}

.skeleton {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background:
        linear-gradient(100deg, var(--bg-surface) 38%, var(--bg-elevated) 50%, var(--bg-surface) 62%);
    background-size: 220% 100%;
    animation: shimmerBg 1.3s linear infinite;
}

.skeleton-hero { height: 168px; }
.skeleton-card { height: 130px; }

.app-footer {
    margin-top: 6px;
    padding: 14px 2px 6px 2px;
    border-top: 1px dashed var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 11.5px;
    color: var(--text-muted);
}

.footer-hints {
    display: none;
    flex-wrap: wrap;
    gap: 6px 14px;
}

.footer-hints kbd {
    display: inline-block;
    min-width: 18px;
    text-align: center;
    padding: 1px 5px;
    margin-right: 3px;
    border: 1px solid var(--border-strong);
    border-bottom-width: 2px;
    border-radius: 5px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 10.5px;
}

.footer-version {
    text-align: center;
    opacity: 0.75;
}

/* Boot error */
.boot-error {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg-base);
    z-index: 500;
}

.boot-error-card {
    max-width: 380px;
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px 22px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: popIn 0.3s var(--ease-pop);
}

.boot-error-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-indigo-soft);
    color: var(--accent-indigo);
    display: flex;
    align-items: center;
    justify-content: center;
}

.boot-error-card h2 { font-size: 18px; }
.boot-error-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.55; margin-bottom: 6px; }

/* ------------------------------------------------------------------ *
 * Animations
 * ------------------------------------------------------------------ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes popIn {
    0% { opacity: 0; transform: scale(0.92); }
    100% { opacity: 1; transform: scale(1); }
}

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

@keyframes dropdownIn {
    from { opacity: 0; transform: translateY(-6px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes cellIn {
    from { opacity: 0; transform: scale(0.86); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes chipIn {
    from { opacity: 0; transform: translateX(-6px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes chartIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

@keyframes shimmerBg {
    from { background-position: 180% 0; }
    to { background-position: -20% 0; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.35); }
    70% { box-shadow: 0 0 0 12px rgba(99, 102, 241, 0); }
    100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* ------------------------------------------------------------------ *
 * Responsive: compact phones (no horizontal overflow)
 * ------------------------------------------------------------------ */
@media (max-width: 420px) {
    .app-header {
        gap: 6px;
        padding-left: 12px;
        padding-right: 12px;
    }

    .header-actions { gap: 4px; }

    .icon-btn {
        width: 34px;
        height: 34px;
    }

    .add-button {
        padding: 0 11px;
    }

    .add-button span { display: none; }
}

@media (max-width: 360px) {
    .app-header {
        padding-left: 8px;
        padding-right: 8px;
    }

    .month-label {
        min-width: 86px;
        font-size: 12px;
    }

    .month-selector { padding: 0 4px; }

    .content-scroll { padding-left: 12px; padding-right: 12px; }
    .view-tabs { margin-left: 12px; margin-right: 12px; }
}

/* ------------------------------------------------------------------ *
 * Responsive: tablets
 * ------------------------------------------------------------------ */
@media (min-width: 640px) {
    .app-container { max-width: 640px; }
    .modal-backdrop { align-items: center; padding: 20px; }
    .modal-sheet {
        border-radius: 24px;
        margin: 0;
        animation: popIn 0.26s var(--ease-pop);
    }
    .categories-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .chart-legend-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-hints { display: flex; }
}

/* ------------------------------------------------------------------ *
 * Responsive: desktop
 * ------------------------------------------------------------------ */
@media (min-width: 1024px) {
    body {
        background:
            radial-gradient(1100px 500px at 15% -10%, rgba(99, 102, 241, 0.13), transparent 60%),
            radial-gradient(900px 450px at 95% 0%, rgba(16, 185, 129, 0.09), transparent 55%),
            var(--bg-base);
    }

    .app-container {
        max-width: 1200px;
        padding-bottom: 56px;
    }

    .app-header {
        padding: 14px 28px;
        border-radius: 0 0 18px 18px;
    }

    .view-tabs {
        margin: 16px 28px 0 28px;
        max-width: 520px;
    }

    .content-scroll {
        padding: 16px 28px 60px 28px;
        gap: 18px;
    }

    .kbd-hint { display: inline-block; }

    .card { padding: 22px; }
    .hero-card { padding: 26px; }

    .balance-spark { height: 44px; }

    /* Overview: 2-column dashboard */
    #viewOverview {
        display: grid;
        grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
        gap: 18px;
        align-items: start;
    }

    #viewOverview .hero-card { grid-column: 1 / -1; }
    #viewOverview .chart-card { grid-column: 1; }
    #viewOverview .budget-card { grid-column: 2; }
    #viewOverview .categories-card { grid-column: 1 / -1; }

    #viewOverview .categories-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .chart-wrapper { height: 320px; }
    .chart-legend-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

    /* Calendar: calendar + day feed side by side */
    #viewCalendar {
        display: grid;
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
        gap: 18px;
        align-items: start;
    }

    .calendar-day-cell {
        border-radius: 12px;
    }

    /* History: centered column */
    #viewHistory {
        align-items: center;
    }

    #viewHistory .history-card {
        width: min(100%, 860px);
    }

    #viewHistory .transactions-list {
        flex-direction: row;
        flex-wrap: wrap;
    }

    #viewHistory .tx-day-group {
        width: 100%;
    }

    #viewHistory .tx-day-group .transaction-row {
        width: 100%;
    }

    .app-footer { align-items: center; }
    .footer-version { text-align: center; }
}

@media (min-width: 1440px) {
    .app-container { max-width: 1320px; }
    #viewOverview { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
    #viewOverview .categories-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* Hover-capable devices only */
@media (hover: hover) and (pointer: fine) {
    .calendar-day-cell:hover { background: var(--bg-hover); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}