:root {
    --bg: #f4f7f4;
    --panel: #ffffff;
    --ink: #172026;
    --muted: #5b6770;
    --line: #d8e0dd;
    --primary: #1d4ed8;
    --accent: #0f766e;
    --danger: #b91c1c;
    --shadow: 0 24px 60px rgba(23, 32, 38, 0.08);
    --panel-soft: rgba(255, 255, 255, 0.9);
    --sidebar-bg: rgba(255, 255, 255, 0.82);
    --sidebar-border: rgba(216, 224, 221, 0.9);
    --nav-active-bg: #e3ecff;
    --ghost-bg: #eef4f2;
    --success-bg: #ecfdf5;
    --success-ink: #166534;
    --success-border: #bbf7d0;
    --chart-grid: rgba(91, 103, 112, 0.18);
    --sticky-bg: rgba(255, 255, 255, 0.98);
    color-scheme: light;
}

html[data-theme='dark'] {
    --bg: #09111a;
    --panel: #101b26;
    --panel-soft: rgba(16, 27, 38, 0.92);
    --ink: #e8eef5;
    --muted: #99a7b8;
    --line: #223244;
    --primary: #60a5fa;
    --accent: #2dd4bf;
    --danger: #f87171;
    --shadow: 0 24px 60px rgba(3, 8, 14, 0.42);
    --sidebar-bg: rgba(10, 18, 28, 0.9);
    --sidebar-border: rgba(34, 50, 68, 0.92);
    --nav-active-bg: rgba(96, 165, 250, 0.18);
    --ghost-bg: #132130;
    --success-bg: rgba(17, 94, 89, 0.22);
    --success-ink: #8ef0df;
    --success-border: rgba(45, 212, 191, 0.35);
    --chart-grid: rgba(153, 167, 184, 0.18);
    --sticky-bg: rgba(16, 27, 38, 0.98);
    color-scheme: dark;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Georgia, Cambria, "Times New Roman", serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
        radial-gradient(circle at bottom right, rgba(29, 78, 216, 0.1), transparent 22%),
        var(--bg);
}
a { color: inherit; text-decoration: none; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
input, select, button {
    font: inherit;
    border-radius: 14px;
}
input, select {
    width: 100%;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--ink);
}
button {
    cursor: pointer;
    border: 0;
}
.shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
}
.sidebar {
    padding: 2rem 1.25rem;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    backdrop-filter: blur(14px);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.brand {
    font-size: 1.7rem;
    font-weight: 700;
}
.nav {
    display: grid;
    gap: 0.45rem;
}
.nav a {
    padding: 0.9rem 1rem;
    border-radius: 16px;
    color: var(--muted);
}
.nav a.active,
.nav a:hover {
    background: var(--nav-active-bg);
    color: var(--primary);
}
.sidebar-footer { margin-top: auto; display: grid; gap: 0.8rem; }
.content { padding: 2rem; display: grid; gap: 1.5rem; }
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.dashboard-toolbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.dashboard-month-picker {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}
.dashboard-month-picker select {
    width: auto;
    min-width: 160px;
}
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--muted);
    font-size: 0.88rem;
}
.theme-toggle select {
    width: auto;
    min-width: 7rem;
    padding-right: 2rem;
}
.eyebrow {
    margin: 0 0 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    color: var(--accent);
}
h1, h2 { margin: 0; }
.muted { color: var(--muted); }
.stack, .stack-lg { display: grid; gap: 1rem; }
.stack-lg { gap: 1.5rem; }
.panel, .metric-card, .auth-card {
    background: var(--panel-soft);
    border: 1px solid color-mix(in srgb, var(--line) 92%, transparent);
    border-radius: 28px;
    box-shadow: var(--shadow);
}
.panel { padding: 1.35rem; }
.processing-summary-panel {
    animation: panel-enter 260ms ease-out;
    transform-origin: top center;
}
.panel-heading {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1rem;
}
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
}
.manual-entry-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 1rem;
}
.metric-card {
    padding: 1.2rem;
    display: grid;
    gap: 0.5rem;
}
.metric-card span {
    color: var(--muted);
    font-size: 0.9rem;
}
.metric-card strong {
    font-size: 1.6rem;
}
.chart-grid, .reports-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}
.panel-full { grid-column: 1 / -1; }
.form-grid, .filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
    align-items: start;
}
.field, .checkbox {
    display: grid;
    gap: 0.4rem;
    align-content: start;
}
.checkbox {
    grid-template-columns: auto 1fr;
    align-items: center;
    margin-top: 1.6rem;
}
.checkbox input { width: auto; }
.form-actions {
    display: flex;
    align-items: end;
}
.import-table-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.primary-button, .ghost-button {
    padding: 0.8rem 1.1rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.primary-button {
    background: linear-gradient(135deg, var(--primary), #0f766e);
    color: #fff;
}
.ghost-button {
    background: var(--ghost-bg);
    color: var(--ink);
}
.danger-button {
    background: color-mix(in srgb, var(--danger) 14%, transparent);
    color: var(--danger);
    border: 1px solid color-mix(in srgb, var(--danger) 28%, transparent);
}
.modal-open {
    overflow: hidden;
}
.loading-backdrop {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(9, 17, 26, 0.24);
    backdrop-filter: blur(10px);
}
.loading-backdrop[hidden] {
    display: none !important;
}
.loading-card {
    width: min(100%, 26rem);
    padding: 1.4rem;
    border-radius: 28px;
    background: var(--panel-soft);
    border: 1px solid color-mix(in srgb, var(--line) 92%, transparent);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.loading-spinner {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 999px;
    border: 3px solid color-mix(in srgb, var(--primary) 20%, transparent);
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(9, 17, 26, 0.18);
    backdrop-filter: blur(10px);
}
.modal-backdrop[hidden] {
    display: none !important;
}
.modal-card {
    width: min(100%, 30rem);
    padding: 1.4rem;
    border-radius: 28px;
    background: var(--panel-soft);
    border: 1px solid color-mix(in srgb, var(--line) 92%, transparent);
    box-shadow: var(--shadow);
    animation: modal-enter 180ms ease-out;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.8rem;
    flex-wrap: wrap;
}
.toast-stack {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 80;
    display: grid;
    gap: 0.75rem;
    width: min(100% - 2rem, 24rem);
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 0.9rem;
    padding: 0.9rem 1rem;
    border-radius: 20px;
    background: var(--panel-soft);
    border: 1px solid color-mix(in srgb, var(--line) 92%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    animation: toast-enter 220ms ease-out;
    pointer-events: auto;
}
.toast.success {
    border-color: var(--success-border);
    background: color-mix(in srgb, var(--success-bg) 80%, var(--panel-soft));
}
.toast.error {
    border-color: color-mix(in srgb, var(--danger) 28%, transparent);
    background: color-mix(in srgb, var(--danger) 10%, var(--panel-soft));
}
.toast-body {
    display: grid;
    gap: 0.25rem;
    line-height: 1.4;
}
.toast-body strong {
    font-size: 0.92rem;
}
.toast.success .toast-body strong {
    color: var(--success-ink);
}
.toast.error .toast-body strong {
    color: var(--danger);
}
.toast-close {
    background: transparent;
    color: var(--muted);
    border: 0;
    padding: 0;
    width: 1.75rem;
    min-width: 1.75rem;
    height: 1.75rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    line-height: 1;
}
.toast-close:hover {
    background: color-mix(in srgb, var(--ghost-bg) 90%, transparent);
}
.toast.is-dismissing {
    animation: toast-exit 180ms ease-in forwards;
}
.error { color: var(--danger); }
.import-select-all {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
    font-size: 0.9rem;
}
.import-select-all input,
td input[data-import-checkbox] {
    width: 1rem;
    height: 1rem;
}
.table-wrap {
    overflow-x: auto;
}
.imports-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
}
.imports-table-wrap {
    max-height: 26rem;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 20px;
}
.imports-table-wrap thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--sticky-bg);
    backdrop-filter: blur(8px);
}
.categories-list-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
}
.categories-table-wrap {
    max-height: 24rem;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 20px;
}
.categories-table-wrap thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--sticky-bg);
    backdrop-filter: blur(8px);
}
.categories-rules-wrap {
    max-height: 28rem;
}
.transactions-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
}
.transactions-table-wrap {
    max-height: 62vh;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 20px;
}
.transactions-table-wrap thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--sticky-bg);
    backdrop-filter: blur(8px);
}
.transactions-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}
.per-page-form {
    display: flex;
    align-items: center;
}
.per-page-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--muted);
}
.per-page-label span {
    white-space: nowrap;
}
.per-page-label select {
    width: auto;
    min-width: 90px;
}
.salary-form {
    align-content: start;
}
.chart-frame {
    position: relative;
    height: 320px;
    min-height: 320px;
}
.chart-frame-wide {
    height: 360px;
    min-height: 360px;
}
.chart-canvas {
    width: 100%;
    height: 100% !important;
    display: block;
}
.pagination-wrap nav,
.pagination-nav {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    align-items: center;
}
.pagination-item {
    padding: 0.55rem 0.8rem;
    border-radius: 999px;
    background: var(--ghost-bg);
    color: var(--ink);
    min-width: 2.4rem;
    text-align: center;
}
.pagination-current {
    background: linear-gradient(135deg, var(--primary), #0f766e);
    color: #fff;
}
.pagination-disabled {
    opacity: 0.45;
}
.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}
.auth-card {
    width: min(100%, 460px);
    padding: 2rem;
}

::selection {
    background: color-mix(in srgb, var(--primary) 28%, transparent);
}

@keyframes panel-enter {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.99);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes modal-enter {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes toast-enter {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

@keyframes toast-exit {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }
}

@media (max-width: 960px) {
    .shell {
        grid-template-columns: 1fr;
    }
    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }
    .chart-grid, .reports-grid {
        grid-template-columns: 1fr;
    }
    .manual-entry-grid {
        grid-template-columns: 1fr;
    }
    .transactions-table-wrap {
        max-height: 55vh;
    }
    .imports-table-wrap {
        max-height: 22rem;
    }
    .categories-table-wrap,
    .categories-rules-wrap {
        max-height: 20rem;
    }
    .transactions-footer {
        align-items: stretch;
    }
    .per-page-form,
    .pagination-wrap {
        width: 100%;
    }
    .chart-frame,
    .chart-frame-wide {
        height: 280px;
        min-height: 280px;
    }
    .content {
        padding: 1.2rem;
    }
    .page-header {
        align-items: start;
        flex-direction: column;
    }
    .dashboard-toolbar {
        justify-content: stretch;
    }
    .dashboard-month-picker {
        width: 100%;
        justify-content: space-between;
    }
    .toast-stack {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        width: auto;
    }
}