:root {
    color-scheme: light;
    --bg: #f5f1e8;
    --bg-elevated: rgba(255, 252, 246, 0.9);
    --surface: #fffaf2;
    --surface-strong: #ffffff;
    --surface-soft: #efe7d7;
    --line: rgba(74, 78, 72, 0.12);
    --text: #243028;
    --muted: #66736a;
    --accent: #6a8b78;
    --accent-strong: #476654;
    --accent-soft: rgba(106, 139, 120, 0.12);
    --warning-soft: rgba(196, 136, 92, 0.16);
    --shadow: 0 18px 40px rgba(44, 56, 46, 0.08);
    --radius: 20px;
    --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
    --font-heading: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #1b211d;
    --bg-elevated: rgba(27, 33, 29, 0.92);
    --surface: #222925;
    --surface-strong: #29312c;
    --surface-soft: #323b36;
    --line: rgba(224, 229, 223, 0.1);
    --text: #edf1ea;
    --muted: #b6c0b6;
    --accent: #9dbf9d;
    --accent-strong: #b8d5b1;
    --accent-soft: rgba(157, 191, 157, 0.15);
    --warning-soft: rgba(201, 148, 108, 0.22);
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(178, 197, 168, 0.28), transparent 26rem),
        radial-gradient(circle at top right, rgba(238, 210, 177, 0.25), transparent 28rem),
        linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 84%, #000 16%));
}

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

img {
    max-width: 100%;
    display: block;
}

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

button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.8rem 1.1rem;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--accent);
    color: white;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

button:hover,
.button:hover {
    transform: translateY(-1px);
    background: var(--accent-strong);
}

.button.secondary,
button.secondary,
.ghost-button {
    background: transparent;
    color: var(--text);
    border-color: var(--line);
}

.button.secondary:hover,
button.secondary:hover,
.ghost-button:hover {
    background: var(--accent-soft);
}

.page-shell {
    width: min(1200px, calc(100% - 2rem));
    margin: 1rem auto 2rem;
}

.site-header {
    position: sticky;
    top: 1rem;
    z-index: 10;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
}

.brand strong,
h1, h2, h3, .planner-label {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.brand small {
    display: block;
    color: var(--muted);
    margin-top: 0.12rem;
}

.brand-mark {
    width: 2.5rem;
    height: 2.5rem;
    display: grid;
    place-items: center;
    border-radius: 0.9rem;
    background: linear-gradient(135deg, var(--accent), #d1b48f);
    color: white;
    font-weight: 700;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.site-nav a {
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    color: var(--muted);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.content {
    display: grid;
    gap: 1.25rem;
}

.hero,
.page-intro,
.panel,
.auth-card,
.stat-card,
.item-card,
.list-row,
.planner-entry {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero,
.page-intro,
.panel,
.auth-card {
    padding: 1.35rem;
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: end;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.35), transparent 45%),
        linear-gradient(180deg, var(--surface), var(--surface-strong));
}

.eyebrow {
    margin: 0 0 0.45rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    color: var(--muted);
}

h1, h2, h3 {
    margin: 0;
}

h1 {
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.06;
}

h2 {
    font-size: 1.45rem;
}

h3 {
    font-size: 1.15rem;
}

.lead,
.muted,
.empty-state,
.empty-slot,
.planner-entry p,
.simple-list span,
.simple-list small {
    color: var(--muted);
}

.lead {
    max-width: 60ch;
    line-height: 1.6;
}

.stats-grid,
.two-column,
.card-grid,
.mini-card-grid {
    display: grid;
    gap: 1rem;
}

.stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-column {
    grid-template-columns: 1.1fr 0.9fr;
}

.stat-card {
    padding: 1.15rem 1.2rem;
}

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.stat-card strong {
    display: block;
    font-size: 2rem;
    font-family: var(--font-heading);
}

.panel-head,
.page-intro,
.item-topline,
.row-actions,
.hero-actions,
.form-actions,
.week-nav {
    display: flex;
    gap: 0.85rem;
    justify-content: space-between;
    align-items: center;
}

.simple-list,
.stack-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.simple-list li,
.list-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
}

.simple-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.mini-card-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.mini-card {
    border-radius: 18px;
    background: var(--surface-strong);
    border: 1px solid var(--line);
    padding: 1rem;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.75rem;
}

.chip,
.status-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--text);
    font-size: 0.9rem;
}

.status-home {
    background: rgba(96, 147, 114, 0.18);
}

.status-archived {
    background: var(--warning-soft);
}

.status-idea {
    background: rgba(130, 146, 151, 0.16);
}

.card-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.item-card {
    display: grid;
    grid-template-columns: 112px 1fr;
    gap: 1rem;
    padding: 1rem;
}

.item-card.compact {
    grid-template-columns: 84px 1fr;
}

.item-media {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 18px;
    background: var(--surface-soft);
}

.item-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder-tile {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    font-size: 2rem;
    font-family: var(--font-heading);
    color: var(--accent-strong);
}

.item-body {
    min-width: 0;
}

.item-body p {
    line-height: 1.55;
}

.item-actions {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.auth-shell {
    min-height: calc(100vh - 10rem);
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(560px, 100%);
}

.stack-form {
    display: grid;
    gap: 1rem;
}

.stack-form label,
.planner-form label {
    display: grid;
    gap: 0.5rem;
    color: var(--muted);
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
    color: var(--text);
}

fieldset {
    margin: 0;
    padding: 1rem;
    border-radius: 18px;
    border: 1px solid var(--line);
}

legend {
    padding: 0 0.4rem;
    color: var(--muted);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.6rem;
}

.check-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 0.9rem;
    border-radius: 16px;
    background: var(--surface-strong);
    border: 1px solid var(--line);
}

.inline-photo img {
    width: min(220px, 100%);
    border-radius: 18px;
    border: 1px solid var(--line);
}

.compact-form-panel {
    padding: 1rem 1.1rem;
}

.inline-form,
.planner-form {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.8rem;
    align-items: end;
}

.planner-form .wide {
    grid-column: span 2;
}

.list-row {
    padding: 1rem 1.1rem;
}

.row-actions {
    justify-content: end;
}

.stack-sections {
    display: grid;
    gap: 1rem;
}

.planner-grid {
    display: grid;
    gap: 1rem;
}

.planner-row {
    display: grid;
    grid-template-columns: 180px repeat(7, minmax(0, 1fr));
    gap: 0.75rem;
    align-items: start;
}

.planner-label {
    padding: 1rem;
    border-radius: 18px;
    background: var(--surface-soft);
    border: 1px solid var(--line);
}

.planner-cell {
    min-height: 150px;
    padding: 0.8rem;
    border-radius: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
}

.planner-date {
    margin-bottom: 0.7rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.planner-entry-stack {
    display: grid;
    gap: 0.55rem;
}

.planner-entry {
    padding: 0.75rem;
    border-radius: 16px;
}

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

.flash {
    padding: 0.95rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.flash-success {
    background: rgba(111, 161, 122, 0.18);
}

.flash-error {
    background: rgba(195, 111, 98, 0.18);
}

.flash-info {
    background: rgba(125, 150, 164, 0.18);
}

.theme-toggle {
    min-width: 5rem;
}

@media (max-width: 980px) {
    .site-header,
    .hero,
    .page-intro,
    .panel-head {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: start;
    }

    .site-header {
        position: static;
    }

    .stats-grid,
    .two-column,
    .planner-row,
    .inline-form,
    .planner-form {
        grid-template-columns: 1fr;
    }

    .planner-form .wide {
        grid-column: auto;
    }

    .planner-label {
        position: sticky;
        left: 0;
    }
}

@media (max-width: 720px) {
    .page-shell {
        width: min(100% - 1rem, 100%);
    }

    .site-header {
        padding: 1rem;
    }

    .site-nav,
    .header-actions,
    .item-card,
    .list-row,
    .row-actions {
        justify-content: start;
    }

    .item-card {
        grid-template-columns: 1fr;
    }
}