:root {
    --bg-top: #fff7ef;
    --bg-bottom: #f3ede5;
    --paper: rgba(255, 250, 244, 0.92);
    --paper-strong: rgba(255, 255, 255, 0.96);
    --line: rgba(94, 73, 54, 0.12);
    --text: #2c241e;
    --muted: #72604f;
    --accent: #db7f61;
    --accent-strong: #b65f43;
    --sage: #6d8a69;
    --sage-soft: #dde9da;
    --sky-soft: #dde9f0;
    --danger: #b15349;
    --shadow: 0 20px 55px rgba(98, 68, 45, 0.1);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Aptos", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(255, 210, 185, 0.65), transparent 34%),
        radial-gradient(circle at top right, rgba(197, 221, 207, 0.65), transparent 30%),
        linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.45;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 80%);
}

main {
    width: min(var(--max-width), calc(100% - 24px));
    margin: 0 auto;
    padding: 20px 0 48px;
}

h1,
h2,
h3,
h4 {
    margin: 0;
    font-family: "Palatino Linotype", "Book Antiqua", serif;
    letter-spacing: -0.02em;
}

p {
    margin: 0;
}

.shell {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(255, 247, 239, 0.84);
    border-bottom: 1px solid var(--line);
}

.shell__inner {
    width: min(var(--max-width), calc(100% - 24px));
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 14px 0;
}

.brand {
    display: grid;
    gap: 4px;
}

.brand__eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-strong);
    font-weight: 700;
}

.brand__title {
    font-size: 1.45rem;
}

.brand__subtitle {
    color: var(--muted);
    font-size: 0.95rem;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.nav a,
.inline-link {
    text-decoration: none;
    color: var(--text);
}

.nav a {
    padding: 11px 15px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(182, 95, 67, 0.12);
    font-weight: 700;
}

.nav a.active {
    background: linear-gradient(135deg, rgba(219, 127, 97, 0.16), rgba(109, 138, 105, 0.18));
    color: var(--accent-strong);
}

.panel,
.hero,
.surface {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.hero {
    overflow: hidden;
    position: relative;
    margin-top: 18px;
    padding: 28px;
}

.hero::after {
    content: "";
    position: absolute;
    right: -40px;
    top: -20px;
    width: 180px;
    height: 180px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(219, 127, 97, 0.16), transparent 68%);
}

.hero__content {
    position: relative;
    display: grid;
    gap: 16px;
}

.hero__eyebrow {
    display: inline-flex;
    width: fit-content;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(109, 138, 105, 0.14);
    color: var(--sage);
    font-size: 0.84rem;
    font-weight: 700;
}

.hero__title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    max-width: 10ch;
}

.hero__text {
    max-width: 62ch;
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.6;
}

.hero__actions,
.quick-actions,
.form-actions,
.stack,
.status-row,
.summary-grid,
.card-grid,
.timeline,
.chips,
.page-grid,
.form-grid,
.feed-grid,
.footer-actions,
.choice-grid,
.form-section {
    display: grid;
    gap: 16px;
}

.hero__actions {
    grid-template-columns: repeat(auto-fit, minmax(180px, max-content));
}

.button,
button,
.button-link,
.choice-card {
    border: 0;
    border-radius: 16px;
    padding: 14px 18px;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button,
button,
.button-link--primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fffaf6;
    box-shadow: 0 14px 30px rgba(182, 95, 67, 0.2);
}

.button-link,
.button-link--secondary,
button.secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(109, 138, 105, 0.12);
    color: var(--sage);
}

button.ghost,
.button-link--ghost {
    background: rgba(44, 36, 30, 0.06);
    color: var(--text);
}

button:hover,
.button-link:hover,
.choice-card:hover {
    transform: translateY(-1px);
}

.summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-top: 20px;
}

.summary-card,
.info-card,
.feed-card,
.form-card,
.list-card,
.helper-card,
.metric-card,
.choice-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: var(--paper-strong);
    padding: 20px;
}

.summary-card--accent {
    background: linear-gradient(135deg, rgba(219, 127, 97, 0.14), rgba(255, 255, 255, 0.94));
}

.summary-card--sage {
    background: linear-gradient(135deg, rgba(109, 138, 105, 0.14), rgba(255, 255, 255, 0.94));
}

.summary-card__label,
.muted,
small,
label,
.helper-text,
.status,
.timeline__meta,
.feed-card p,
.list-card p,
.form-card p {
    color: var(--muted);
}

.summary-card__value {
    margin-top: 10px;
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text);
}

.summary-card__subtext {
    margin-top: 8px;
    font-size: 0.92rem;
}

.page-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.9fr);
    align-items: start;
    margin-top: 18px;
}

.form-card,
.helper-card {
    display: grid;
    gap: 18px;
}

.form-grid {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.form-section {
    padding-top: 4px;
}

.form-section h3 {
    font-size: 1rem;
}

label {
    display: grid;
    gap: 8px;
    font-size: 0.96rem;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid rgba(94, 73, 54, 0.15);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.96);
    padding: 13px 14px;
    color: var(--text);
    font: inherit;
}

textarea {
    min-height: 96px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(219, 127, 97, 0.22);
    border-color: rgba(219, 127, 97, 0.4);
}

.status {
    min-height: 22px;
    font-weight: 700;
}

.status--error {
    color: var(--danger);
}

.chips {
    grid-template-columns: repeat(auto-fit, minmax(140px, max-content));
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 999px;
    background: rgba(109, 138, 105, 0.12);
    color: var(--sage);
    font-weight: 700;
    font-size: 0.88rem;
}

.feed-grid,
.card-grid,
.choice-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.choice-card {
    width: 100%;
    text-align: left;
    background: rgba(255, 255, 255, 0.96);
    color: var(--text);
    box-shadow: none;
}

.choice-card--selected {
    border-color: rgba(109, 138, 105, 0.45);
    background: linear-gradient(135deg, rgba(109, 138, 105, 0.14), rgba(255, 255, 255, 0.98));
}

.choice-card__title {
    display: block;
    font-size: 1rem;
}

.choice-card__meta {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-weight: 500;
}

.choice-card__tag {
    display: inline-flex;
    margin-top: 10px;
    padding: 8px 10px;
    border-radius: 999px;
    background: rgba(219, 127, 97, 0.12);
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
}

.meal-match-panel {
    background: linear-gradient(135deg, rgba(221, 233, 240, 0.66), rgba(255, 255, 255, 0.96));
}

.timeline {
    margin-top: 18px;
}

.timeline__item {
    display: grid;
    gap: 8px;
    padding: 16px 18px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.8);
}

.timeline__top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.timeline__title {
    font-size: 1.04rem;
}

.timeline__meta {
    font-size: 0.92rem;
}

.timeline__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.timeline__actions button {
    min-width: 110px;
}

.assistant-box {
    display: grid;
    gap: 12px;
    padding: 18px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(221, 233, 240, 0.92), rgba(255, 255, 255, 0.92));
    border: 1px solid rgba(109, 138, 105, 0.14);
}

.assistant-box strong {
    font-size: 1.08rem;
}

.chat-layout {
    align-items: stretch;
}

.chat-surface {
    display: grid;
    gap: 18px;
    padding: 24px;
}

.chat-history {
    display: grid;
    gap: 14px;
    max-height: 460px;
    overflow-y: auto;
    padding: 18px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(221, 233, 240, 0.48));
}

.chat-message {
    display: flex;
}

.chat-message--user {
    justify-content: flex-end;
}

.chat-message__bubble {
    max-width: min(100%, 520px);
    display: grid;
    gap: 8px;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(94, 73, 54, 0.12);
    box-shadow: 0 12px 30px rgba(98, 68, 45, 0.08);
}

.chat-message--user .chat-message__bubble {
    background: linear-gradient(135deg, rgba(219, 127, 97, 0.16), rgba(255, 255, 255, 0.95));
}

.chat-message--lyra .chat-message__bubble {
    background: linear-gradient(135deg, rgba(221, 233, 240, 0.9), rgba(255, 255, 255, 0.98));
}

.chat-message__author,
.chat-message__meta {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.chat-composer {
    display: grid;
    gap: 16px;
}

.chat-composer textarea {
    min-height: 120px;
}

.chat-composer__actions {
    display: grid;
    grid-template-columns: minmax(150px, max-content) minmax(150px, max-content);
    gap: 12px;
}

.empty {
    padding: 18px;
    text-align: center;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--line);
    color: var(--muted);
    background: rgba(255, 255, 255, 0.6);
}

.section-title {
    display: grid;
    gap: 8px;
}

.section-title p {
    color: var(--muted);
}

.spaced {
    margin-top: 18px;
}

.footer-note {
    color: var(--muted);
    font-size: 0.94rem;
}

.inline-link {
    color: var(--accent-strong);
    font-weight: 700;
}

@media (max-width: 900px) {
    .page-grid {
        grid-template-columns: 1fr;
    }
}

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

    .hero,
    .surface,
    .panel {
        padding: 22px;
    }

    .summary-grid,
    .feed-grid,
    .card-grid,
    .form-grid,
    .hero__actions,
    .choice-grid {
        grid-template-columns: 1fr;
    }

    .nav {
        width: 100%;
    }

    .nav a {
        flex: 1 1 auto;
        text-align: center;
    }

    main {
        width: min(var(--max-width), calc(100% - 18px));
    }
}