:root {
    --bg: #f1efe7;
    --bg-soft: #f8f6ef;
    --panel: #fffdf6;
    --ink: #1f2d28;
    --muted: #5a665f;
    --line: #d6d0be;
    --brand: #4a6f5a;
    --brand-strong: #2d4e3d;
    --accent: #b88a55;
    --danger: #9a3f2f;
    --radius: 10px;
    --shadow: 0 6px 24px rgba(35, 40, 24, 0.08);
    --font-main: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top right, #f7f4ea 0%, var(--bg) 42%, #ece7da 100%);
    color: var(--ink);
    font-family: var(--font-main);
}

a {
    color: var(--brand-strong);
}

.page-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 253, 246, 0.92);
    backdrop-filter: blur(6px);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.9rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.header-inner strong {
    display: block;
    letter-spacing: 0.04em;
}

.header-inner small {
    color: var(--muted);
}

.app-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.app-nav a {
    text-decoration: none;
    padding: 0.35rem 0.6rem;
    border-radius: 8px;
    border: 1px solid transparent;
}

.app-nav a.active,
.app-nav a:hover {
    border-color: var(--line);
    background: var(--bg-soft);
}

.page-content {
    max-width: 100vw;
    margin: 0 auto;
    padding: 1rem;
    display: grid;
    gap: 1rem;
}

.panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    box-shadow: var(--shadow);
    padding: 1rem;
}

.panel h1,
.panel h2 {
    margin: 0 0 0.75rem;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(160px, 1fr));
    gap: 0.75rem;
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    color: var(--muted);
    display: grid;
    gap: 0.25rem;
}

input,
select,
button,
textarea {
    font: inherit;
    border-radius: 8px;
    border: 1px solid var(--line);
    padding: 0.45rem 0.55rem;
    background: #fff;
    color: var(--ink);
}

input:focus,
select:focus,
button:focus,
textarea:focus {
    outline: 2px solid #7c9c8a;
    outline-offset: 1px;
}

.input-year {
    width: 10ch;
    min-width: 10ch;
    text-align: center;
}

.input-week {
    width: 8ch;
    min-width: 8ch;
    text-align: center;
}

button {
    background: var(--brand);
    color: #fff;
    border-color: transparent;
    cursor: pointer;
}

button:hover {
    background: var(--brand-strong);
}

button.danger {
    background: var(--danger);
}

button:disabled,
input:disabled,
select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.table-scroll {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.simple-table,
.task-table {
    width: 100%;
    border-collapse: collapse;
}

.simple-table th,
.simple-table td,
.task-table th,
.task-table td {
    border-bottom: 1px solid var(--line);
    padding: 0.45rem 0.5rem;
    text-align: left;
    vertical-align: middle;
}

.task-table th {
    position: sticky;
    top: 0;
    background: var(--bg-soft);
    z-index: 1;
}

.task-table td input,
.task-table td select {
    width: 100%;
}

.task-table td input.input-week,
.task-table td input.input-year {
    width: 10ch;
    min-width: 10ch;
}

.task-table td .dependency-picker {
    position: relative;
    min-width: 14rem;
}

.task-table td .dependency-toggle {
    width: 100%;
    text-align: left;
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
    padding: 0.42rem 0.55rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.task-table td .dependency-toggle[aria-expanded="true"] {
    border-color: #a9b4ac;
}

.task-table td .dependency-menu {
    position: absolute;
    left: 0;
    top: calc(100% + 4px);
    width: min(24rem, 70vw);
    max-height: 13rem;
    overflow: auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 0.45rem;
    z-index: 30;
}

.task-table td .dependency-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0;
    padding: 0.16rem 0.12rem;
    color: var(--ink);
}

.task-table td .dependency-item input {
    width: auto;
    margin: 0;
}

.task-table td .dependency-readonly {
    display: inline-block;
    max-width: 18rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.share-link-cell {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 22rem;
}

.share-link-input {
    min-width: 18rem;
    width: 100%;
}

.task-table tr:hover td {
    background: #fcf9f1;
}

.muted {
    margin-top: 0.5rem;
    color: var(--muted);
    font-size: 0.88rem;
}

.action-row {
    display: grid;
    gap: 0.75rem;
}

.project-switcher {
    display: grid;
    gap: 0.8rem;
}

.project-switcher .inline-form:first-child select[name="project"] {
    min-width: min(38rem, 78vw);
}

.project-meta .meta-grid input.input-year,
.project-meta .meta-grid input.input-week {
    justify-self: start;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.chart-container {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.chart-grid {
    --chart-label-col: 200px;
    min-width: 960px;
    padding: 0.6rem;
}

.chart-head {
    display: grid;
    grid-template-columns: var(--chart-label-col) repeat(var(--weeks), minmax(42px, 1fr));
    gap: 2px;
    margin-bottom: 0.5rem;
}

.chart-head-spacer {
    border: 1px solid transparent;
    min-height: 1px;
}

.week-cell {
    font-size: 0.7rem;
    text-align: center;
    padding: 0.25rem;
    border-radius: 4px;
    border: 1px solid #e8e1cf;
    background: #faf7ef;
    color: #526057;
}

.week-cell.blocked {
    background: #f6e8d6;
    border-color: #e3c59d;
    color: #8a5a2a;
}

.chart-rows {
    display: grid;
    gap: 0.3rem;
}

.chart-row {
    display: grid;
    grid-template-columns: var(--chart-label-col) 1fr;
    gap: 0.5rem;
    align-items: center;
}

.row-label {
    font-size: 0.82rem;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.row-bars {
    position: relative;
    display: grid;
    grid-template-columns: repeat(var(--weeks), minmax(42px, 1fr));
    gap: 2px;
    min-height: 30px;
    background: repeating-linear-gradient(
        to right,
        rgba(210, 204, 189, 0.35) 0,
        rgba(210, 204, 189, 0.35) 1px,
        transparent 1px,
        transparent calc((100% / var(--weeks)))
    );
}

.task-bar {
    grid-column: var(--start) / span var(--span);
    background: var(--phase-color, var(--brand));
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 6px;
    padding: 0.35rem 0.45rem;
    font-size: 0.72rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-card {
    width: min(440px, 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background: var(--panel);
    padding: 1rem;
}

.stack-form {
    display: grid;
    gap: 0.7rem;
}

.alert.error {
    background: #f8dfd9;
    color: #74261b;
    border: 1px solid #d6a298;
    border-radius: 8px;
    padding: 0.5rem;
}

.alert.success {
    background: #dceee2;
    color: #204c2f;
    border: 1px solid #9bc5ab;
    border-radius: 8px;
    padding: 0.5rem;
}

.subtle-link {
    color: var(--brand-strong);
    font-size: 0.9rem;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.label-usage {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.75rem;
    color: var(--muted);
}

.delete-label.is-disabled {
    opacity: 0.35;
    filter: saturate(0.3);
}

.active-project-note {
    margin: 0.7rem 0 0.55rem;
    padding: 0.45rem 0.65rem;
    border: 1px solid #d8c6a4;
    border-radius: 8px;
    background: #f7efe2;
    color: #6c4b24;
}

.active-project-badge {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.12rem 0.5rem;
    border-radius: 999px;
    background: #b88a55;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.3;
    vertical-align: middle;
}

#projectsTable tr.is-active-project td {
    background: #f4f0e3;
}

#projectsTable tr.is-active-project td:first-child {
    box-shadow: inset 3px 0 0 #b88a55;
}

.phase-color-chip {
    display: inline-block;
    width: 1.7rem;
    height: 1rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 0, 0, 0.18);
    vertical-align: middle;
}

@media (max-width: 1024px) {
    .meta-grid,
    .two-col {
        grid-template-columns: 1fr 1fr;
    }

    .chart-grid {
        --chart-label-col: 200px;
    }
}

@media (max-width: 760px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .meta-grid,
    .two-col {
        grid-template-columns: 1fr;
    }
}