:root {
    color-scheme: light;
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-soft: #eef3f7;
    --text: #172033;
    --muted: #667085;
    --line: #d8e0ea;
    --primary: #1f766f;
    --primary-hover: #185f59;
    --primary-text: #ffffff;
    --danger: #c2413d;
    --danger-soft: #ffe8e6;
    --warning-soft: #fff3d7;
    --warning-text: #875a00;
    --info-soft: #e4f0ff;
    --info-text: #245a9d;
    --success-soft: #def7e8;
    --success-text: #17633b;
    --work-soft: #e8eefc;
    --work-text: #294a94;
    --personal-soft: #e2f6f0;
    --personal-text: #17614f;
    --shadow: 0 10px 30px rgba(30, 41, 59, 0.08);
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #12161f;
    --surface: #1a202c;
    --surface-soft: #222a38;
    --text: #edf2f7;
    --muted: #a6b0c0;
    --line: #303948;
    --primary: #43b3a6;
    --primary-hover: #66c9bd;
    --primary-text: #081312;
    --danger: #ff756f;
    --danger-soft: #3c2022;
    --warning-soft: #3a2d15;
    --warning-text: #ffd27a;
    --info-soft: #172c48;
    --info-text: #9fc7ff;
    --success-soft: #163225;
    --success-text: #86e2ad;
    --work-soft: #1d2a4a;
    --work-text: #b2c7ff;
    --personal-soft: #17372f;
    --personal-text: #8de7cf;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    color: var(--primary);
}

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(100%, 1180px);
    margin: 0 auto;
    padding: 0 16px;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    min-height: 72px;
    padding-top: 12px;
    padding-bottom: 12px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
}

.brand-mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 8px;
    background: var(--primary);
    color: var(--primary-text);
    font-weight: 800;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--muted);
    font-size: 0.78rem;
}

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

.nav a,
.theme-option,
.user-pill,
.button {
    min-height: 38px;
    border-radius: 8px;
}

.nav a {
    display: inline-flex;
    align-items: center;
    padding: 8px 10px;
    color: var(--muted);
}

.nav a.active,
.nav a:hover {
    background: var(--surface-soft);
    color: var(--text);
}

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

.theme-option,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-weight: 700;
}

.theme-option {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    min-width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    padding: 0;
}

.theme-option:hover,
.button:hover {
    border-color: var(--primary);
    color: var(--primary);
    border-color: var(--primary);
    color: var(--primary);
}

[data-theme="light"] .theme-option[data-theme-choice="light"],
[data-theme="dark"] .theme-option[data-theme-choice="dark"] {
    display: none;
}

.theme-icon {
    width: 19px;
    height: 19px;
}

.user-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.9rem;
}

.button {
    gap: 8px;
    padding: 9px 13px;
    text-align: center;
}

.button-primary {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--primary-text);
}

.button-primary:hover {
    background: var(--primary-hover);
    color: var(--primary-text);
}

.button-ghost {
    background: transparent;
}

.button-danger {
    border-color: var(--danger);
    background: var(--danger);
    color: #ffffff;
}

.button-danger:hover {
    border-color: var(--danger);
    color: #ffffff;
    filter: brightness(0.96);
}

.button-small {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 0.9rem;
}

.main {
    padding-top: 28px;
    padding-bottom: 48px;
}

.page-title {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.page-title h1,
.auth-panel h1 {
    margin: 0;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    line-height: 1.15;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

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

.small-text {
    font-size: 0.88rem;
}

.danger-text {
    color: var(--danger);
    font-weight: 800;
}

.flash-stack {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.flash,
.alert {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px 14px;
    background: var(--surface);
}

.flash-success {
    border-color: color-mix(in srgb, var(--success-text) 40%, var(--line));
    background: var(--success-soft);
    color: var(--success-text);
}

.flash-error,
.alert-danger {
    border-color: color-mix(in srgb, var(--danger) 45%, var(--line));
    background: var(--danger-soft);
    color: var(--danger);
}

.flash-info {
    background: var(--info-soft);
    color: var(--info-text);
}

.auth-shell {
    display: grid;
    min-height: calc(100vh - 150px);
    place-items: center;
}

.auth-panel,
.form-panel,
.filter-panel,
.table-panel,
.detail-panel,
.stat-box,
.task-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.auth-panel {
    width: min(100%, 440px);
    padding: 24px;
}

.form-stack {
    display: grid;
    gap: 14px;
}

.form-grid,
.filters {
    display: grid;
    gap: 14px;
}

.form-panel,
.filter-panel,
.table-panel,
.detail-panel {
    padding: 18px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    padding: 10px 12px;
    outline: none;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

.form-actions,
.filter-actions,
.title-actions,
.row-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.stats-grid,
.task-grid {
    display: grid;
    gap: 14px;
}

.stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 22px;
}

.stat-box {
    padding: 16px;
}

.stat-box span {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
}

.stat-box strong {
    display: block;
    margin-top: 6px;
    font-size: 1.45rem;
}

.section-block {
    margin-top: 26px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.section-heading h2,
.detail-panel h2,
.content-block h2 {
    margin: 0;
    font-size: 1.15rem;
}

.count-pill {
    display: inline-flex;
    min-width: 32px;
    justify-content: center;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--muted);
    padding: 4px 10px;
    font-weight: 800;
}

.task-card {
    display: grid;
    gap: 10px;
    padding: 16px;
}

.task-card h3 {
    margin: 0;
    font-size: 1.05rem;
}

.task-card p {
    margin: 0;
}

.task-card-top,
.meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.meta-row {
    color: var(--muted);
    font-size: 0.92rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 24px;
    border-radius: 999px;
    padding: 3px 9px;
    font-size: 0.78rem;
    font-weight: 800;
}

.badge-neutral {
    background: var(--surface-soft);
    color: var(--muted);
}

.badge-info {
    background: var(--info-soft);
    color: var(--info-text);
}

.badge-success {
    background: var(--success-soft);
    color: var(--success-text);
}

.badge-warning {
    background: var(--warning-soft);
    color: var(--warning-text);
}

.badge-danger {
    background: var(--danger-soft);
    color: var(--danger);
}

.badge-work {
    background: var(--work-soft);
    color: var(--work-text);
}

.badge-personal {
    background: var(--personal-soft);
    color: var(--personal-text);
}

.empty-state {
    border: 1px dashed var(--line);
    border-radius: 8px;
    padding: 18px;
    background: var(--surface-soft);
    color: var(--muted);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 12px 10px;
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 0.82rem;
    text-transform: uppercase;
}

td small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

tr:last-child td {
    border-bottom: 0;
}

.align-right {
    text-align: right;
}

.detail-layout {
    display: grid;
    gap: 18px;
}

.detail-main,
.detail-side {
    display: grid;
    align-content: start;
    gap: 18px;
}

.detail-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0;
}

.detail-list div {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    background: var(--surface-soft);
}

.detail-list dt {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.detail-list dd {
    margin: 4px 0 0;
    font-weight: 700;
}

.content-block {
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.content-block p {
    margin-bottom: 0;
}

.danger-zone {
    border-color: color-mix(in srgb, var(--danger) 40%, var(--line));
}

.timeline {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.timeline li {
    border-left: 3px solid var(--primary);
    padding: 4px 0 4px 12px;
}

.timeline strong,
.timeline small {
    display: block;
}

.timeline small {
    margin-top: 2px;
    color: var(--muted);
}

.timeline p {
    margin: 8px 0 0;
}

@media (min-width: 680px) {
    .form-grid,
    .filters {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .span-2 {
        grid-column: span 2;
    }

    .stats-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .task-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 960px) {
    .task-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .detail-layout {
        grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    }
}

@media (max-width: 620px) {
    .header-inner,
    .header-actions,
    .nav,
    .page-title,
    .title-actions,
    .form-actions {
        align-items: stretch;
    }

    .brand,
    .nav,
    .header-actions,
    .button {
        width: 100%;
    }

    .nav a,
    .button {
        justify-content: center;
    }

    .detail-list {
        grid-template-columns: 1fr;
    }
}