/* ==========================================================================
   FieldShift — shared styles
   Palette variables are written by includes/layout.php from includes/config.php.
   ========================================================================== */

:root {
    --sage: #A5BF99;
    --mid: #347338;
    --deep: #134023;
    --dark: #11261A;
    --black: #070D0B;

    --bg: #F3F6F0;
    --card: #FFFFFF;
    --ink: #16221B;
    --mut: #51615A;
    --line: #D5DFD0;
    --line-strong: #B8C9B1;
    --warn: #8A5A00;
    --warn-bg: #FFF5DA;
    --ok: #1D6B3A;
    --ok-bg: #E6F4E9;
    --info: #2F5F73;
    --info-bg: #E7F1F5;
    --heading: var(--deep);
    --accent: var(--mid);
    --shadow: 0 10px 30px rgba(17, 38, 26, .07);
    --shadow-soft: 0 4px 14px rgba(17, 38, 26, .05);
    --radius: 16px;
    --radius-sm: 10px;
    --chart-mid: #347338;
    --chart-blue: #3B6E8F;
    --chart-amber: #A06A1F;
    --chart-teal: #2F7D78;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0C1511;
        --card: #11261A;
        --ink: #E6EFE3;
        --mut: #A9BBA9;
        --line: #25402F;
        --line-strong: #355541;
        --warn: #E6B25C;
        --warn-bg: #2A2415;
        --ok: #8FD5A5;
        --ok-bg: #173323;
        --info: #9AC7D9;
        --info-bg: #162A33;
        --heading: #CFE3C6;
        --accent: #A5BF99;
        --shadow: 0 10px 30px rgba(0, 0, 0, .25);
        --shadow-soft: 0 4px 14px rgba(0, 0, 0, .18);
        --chart-mid: #7FBF8A;
        --chart-blue: #82B5D4;
        --chart-amber: #D8A85A;
        --chart-teal: #76C4BD;
    }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: Georgia, "Times New Roman", serif;
    color: var(--heading);
    line-height: 1.15;
    margin: .2em 0 .5em;
}
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); letter-spacing: -.02em; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.08rem; }

p { margin: .5em 0; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--deep); }
strong, b { font-weight: 700; }
small { font-size: .82em; }

:focus-visible {
    outline: 3px solid var(--sage);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 8px;
    z-index: 100;
    background: var(--card);
    color: var(--ink);
    padding: 10px 14px;
    border-radius: 8px;
}
.skip-link:focus { left: 8px; }

/* ---------- Header and navigation ---------- */

.site-head {
    background: linear-gradient(135deg, var(--dark) 0%, var(--black) 100%);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 20;
    box-shadow: 0 2px 18px rgba(0, 0, 0, .16);
    padding-top: env(safe-area-inset-top, 0px);
}

.head-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 12px 16px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    text-decoration: none;
    line-height: 1.1;
}
.brand:hover { color: #fff; }
.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--sage);
    color: var(--dark);
    font: 800 1rem/1 Georgia, serif;
    letter-spacing: .04em;
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .12);
}
.brand-text { display: flex; flex-direction: column; }
.brand-text strong { font: 700 1.32rem/1 Georgia, serif; color: var(--sage); letter-spacing: .01em; }
.brand-text small { color: #B9CDB4; font-size: .78rem; margin-top: 3px; }

.nav-toggle {
    display: none;
    margin-left: auto;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .28);
    color: #fff;
    border-radius: 8px;
    padding: 8px 12px;
    font: inherit;
    font-size: .9rem;
    cursor: pointer;
}
.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
    display: inline-block;
    width: 16px;
    height: 2px;
    background: currentColor;
    position: relative;
    vertical-align: middle;
    margin-right: 6px;
    content: "";
}
.nav-toggle-lines::before { position: absolute; top: -5px; left: 0; }
.nav-toggle-lines::after { position: absolute; top: 5px; left: 0; }

.main-nav {
    display: flex;
    gap: 2px;
    overflow-x: auto;
    margin-top: 12px;
    scrollbar-width: thin;
}
.main-nav a {
    color: #CFE0CA;
    padding: 11px 12px;
    text-decoration: none;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    font-size: .93rem;
    transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, .05); }
.main-nav a.on {
    color: #fff;
    border-color: var(--sage);
    font-weight: 650;
}

/* ---------- Page shell ---------- */

.wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 22px 16px 70px;
}

.page-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-end;
    margin: 6px 0 16px;
}
.eyebrow {
    margin: 0 0 4px;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .72rem;
    font-weight: 700;
    color: var(--accent);
}
.lede {
    color: var(--mut);
    max-width: 78ch;
    margin: 0;
}

/* ---------- Cards, grids and stats ---------- */

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    margin: 14px 0;
    box-shadow: var(--shadow-soft);
}
.card.tight { padding: 14px; }
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.card-head h2, .card-head h3 { margin: 0; }

.grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.charts { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }

.stat-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    margin: 14px 0;
}
.stat {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 13px 14px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.stat-label { color: var(--mut); font-size: .78rem; text-transform: uppercase; letter-spacing: .07em; }
.stat-value { font: 700 1.2rem/1.2 Georgia, serif; color: var(--heading); }
.stat-hint { color: var(--mut); font-size: .78rem; }

/* ---------- Badges and notes ---------- */

.pill {
    display: inline-block;
    border-radius: 999px;
    padding: 3px 10px;
    font-size: .74rem;
    font-weight: 650;
    letter-spacing: .02em;
    white-space: nowrap;
}
.pill-demo, .pill-warn { color: var(--warn); background: var(--warn-bg); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); }
.pill-ok { color: var(--ok); background: var(--ok-bg); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.pill-info { color: var(--info); background: var(--info-bg); border: 1px solid color-mix(in srgb, var(--info) 28%, transparent); }
.pill-cool { color: #2F5F73; background: #E7F1F5; border: 1px solid #B9D5E0; }
.pill-warm { color: #8A5A00; background: #FFF5DA; border: 1px solid #E8D29A; }

@media (prefers-color-scheme: dark) {
    .pill-cool { color: #9AC7D9; background: #162A33; border-color: #2C4B58; }
    .pill-warm { color: #E6B25C; background: #2A2415; border-color: #5C4B23; }
    a:hover { color: #E6EFE3; }
    .btn.alt:hover { background: color-mix(in srgb, var(--sage) 22%, transparent); color: #F1F7EE; }
    .calendar .cal-cell.grow { color: var(--ink); }
}

.data-note {
    background: color-mix(in srgb, var(--sage) 16%, var(--card));
    border: 1px solid color-mix(in srgb, var(--sage) 45%, var(--line));
    border-radius: var(--radius-sm);
    padding: 13px 15px;
}
.data-note-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 4px; }
.data-note p { margin: .28em 0; font-size: .9rem; }

.local-notes {
    white-space: normal;
    border-left: 4px solid var(--sage);
    padding: 6px 0 6px 12px;
    color: var(--ink);
}

.flash {
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    margin: 8px 0 14px;
    font-weight: 600;
    border: 1px solid transparent;
}
.flash-ok { background: var(--ok-bg); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.flash-warn { background: var(--warn-bg); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.flash-error { background: #FCE8E8; color: #8A1F1F; border-color: #E6B3B3; }
.flash-info { background: var(--info-bg); color: var(--info); border-color: color-mix(in srgb, var(--info) 30%, transparent); }

@media (prefers-color-scheme: dark) {
    .flash-error { background: #331717; color: #F0A8A8; border-color: #6A2A2A; }
}

/* ---------- Buttons and forms ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    background: var(--mid);
    color: #fff;
    border: 0;
    border-radius: 9px;
    padding: 10px 16px;
    font: inherit;
    font-weight: 650;
    cursor: pointer;
    text-decoration: none;
    transition: background .18s ease, transform .12s ease, box-shadow .18s ease;
    box-shadow: 0 2px 0 color-mix(in srgb, var(--deep) 55%, transparent);
}
.btn:hover { background: var(--deep); color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn.alt {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
    box-shadow: none;
}
.btn.alt:hover { background: color-mix(in srgb, var(--sage) 25%, transparent); color: var(--deep); }
.btn.sm { padding: 5px 10px; font-size: .82rem; border-radius: 7px; }
.btn.ghost { background: transparent; color: var(--mut); box-shadow: none; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

form { margin: 0; }
.inline-form { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.stack { display: flex; flex-direction: column; gap: 8px; }

label {
    display: block;
    font-size: .84rem;
    font-weight: 600;
    color: var(--mut);
    margin: 9px 0 3px;
}
input, select, textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: var(--card);
    color: var(--ink);
    font: inherit;
    transition: border-color .18s ease, box-shadow .18s ease;
}
input:focus, select:focus, textarea:focus {
    border-color: var(--mid);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--sage) 45%, transparent);
    outline: none;
}
textarea { resize: vertical; min-height: 110px; }
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--mid); }
input[type="number"] { max-width: 180px; }

.chk {
    display: flex;
    gap: 9px;
    align-items: center;
    margin: 6px 0;
    color: var(--ink);
    font-size: .95rem;
    font-weight: 500;
}
.chk input { flex: 0 0 auto; }

.form-grid {
    display: grid;
    gap: 0 18px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.form-grid > div { min-width: 0; }
.field-help { color: var(--mut); font-size: .8rem; margin: 3px 0 0; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

/* ---------- Tables ---------- */

.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
thead th { color: var(--mut); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
tbody tr:hover { background: color-mix(in srgb, var(--sage) 10%, transparent); }
table .num { text-align: right; font-variant-numeric: tabular-nums; }

.data-table { margin-top: 8px; }
.data-table summary { cursor: pointer; color: var(--accent); font-weight: 650; font-size: .88rem; }

/* ---------- Charts ---------- */

.chart { margin: 0; }
.chart-svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart figcaption { margin-top: 4px; font-size: .82rem; }
.grid-line { stroke: var(--line); stroke-width: 1; }
.axis-label { fill: var(--mut); font-size: 11px; font-variant-numeric: tabular-nums; }
.x-label { font-size: 10.5px; }
.chart-line {
    fill: none;
    stroke: var(--series, var(--chart-mid));
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.chart-area { opacity: .95; }
.dot {
    fill: var(--card);
    stroke: var(--series, var(--chart-mid));
    stroke-width: 2.6;
    transition: r .15s ease;
}
.dot:hover { r: 6; }

/* ---------- Result cards and scores ---------- */

.result-card .score-big {
    font: 700 2.4rem/1 Georgia, serif;
    color: var(--heading);
    margin: 6px 0;
}
.result-card .score-big small { font: 600 .9rem/1 system-ui, sans-serif; color: var(--mut); margin-left: 4px; }
.sequence { font-weight: 700; font-size: 1.02rem; }

.score-row {
    display: grid;
    grid-template-columns: minmax(110px, 150px) 1fr 42px;
    gap: 9px;
    align-items: center;
    margin: 7px 0;
    font-size: .9rem;
}
.score-label { color: var(--mut); }
.score-track {
    height: 10px;
    background: var(--line);
    border-radius: 999px;
    overflow: hidden;
    display: flex;
    align-items: center;
}
.score-fill {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--sage), var(--mid));
    border-radius: 999px;
    transition: width .4s ease;
}
.score-na { color: var(--mut); font-size: .74rem; padding-left: 8px; }
.score-value { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }

.weight-list { display: flex; flex-direction: column; gap: 8px; }
.weight-row {
    display: grid;
    grid-template-columns: minmax(120px, 180px) 1fr 48px;
    gap: 10px;
    align-items: center;
    font-size: .9rem;
}
.weight-row b { text-align: right; }

.flag { color: var(--warn); font-size: .9rem; }
.risk {
    border-left: 4px solid var(--warn);
    padding: 5px 0 5px 11px;
    margin: 8px 0;
    color: var(--ink);
}
.why { margin-top: 10px; }
details summary { cursor: pointer; color: var(--accent); font-weight: 650; }
dt { font-weight: 700; margin-top: 10px; }
dd { margin: 0; color: var(--mut); }

/* ---------- Field Explorer ---------- */

.field-photo {
    position: relative;
    margin: 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    background: var(--card);
}
.field-photo img { display: block; width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: cover; }
.field-photo figcaption {
    padding: 9px 13px;
    font-size: .82rem;
    color: var(--mut);
    background: var(--card);
}
.photo-overlay {
    position: absolute;
    left: 14px;
    bottom: 58px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    max-width: calc(100% - 28px);
}
.photo-overlay span {
    background: rgba(7, 13, 11, .72);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: .78rem;
    backdrop-filter: blur(4px);
}

.controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin: 4px 0 12px;
}
.controls > div { min-width: 170px; }

.field-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    margin: 14px 0;
    max-width: 460px;
}
.field-grid > div {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    font-size: .76rem;
    font-weight: 650;
    border-radius: 4px;
    text-shadow: 0 0 3px rgba(0, 0, 0, .35);
    transition: background .3s ease, color .3s ease;
}
.legend {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 460px;
    font-size: .8rem;
    color: var(--mut);
}
.legend-bar {
    flex: 1;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--sage), var(--mid));
}

/* ---------- Best seasons calendar ---------- */

.calendar { min-width: 760px; }
.calendar th, .calendar td { text-align: center; padding: 6px 4px; }
.calendar th:first-child, .calendar td:first-child { text-align: left; position: sticky; left: 0; background: var(--card); z-index: 1; }
.calendar thead th:first-child { background: var(--card); }
.calendar .is-month { background: color-mix(in srgb, var(--sage) 28%, transparent); }
.calendar .cal-cell { color: var(--mut); font-weight: 700; }
.calendar .cal-cell.sow { background: color-mix(in srgb, var(--mid) 72%, var(--card)); color: #fff; border-radius: 4px; }
.calendar .cal-cell.grow { background: color-mix(in srgb, var(--sage) 40%, transparent); color: var(--deep); }
.calendar .cal-cell.sow.is-month { outline: 2px solid var(--warn); outline-offset: -2px; }
.calendar-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .82rem; color: var(--mut); margin-top: 8px; }
.legend-swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.legend-swatch.sow { background: var(--mid); }
.legend-swatch.grow { background: var(--sage); }

.clean-list { list-style: none; padding: 0; margin: 0; }
.clean-list li { padding: 7px 0; border-bottom: 1px solid var(--line); }
.clean-list li:last-child { border-bottom: 0; }

/* ---------- Misc ---------- */

.mut { color: var(--mut); font-size: .9rem; }
.big { font: 700 1.6rem/1.2 Georgia, serif; color: var(--heading); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .86em; }
.code-block {
    background: var(--dark);
    color: #D8E8D2;
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    overflow-x: auto;
    font: .82rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.tag { display: inline-block; border: 1px dashed var(--warn); color: var(--warn); border-radius: 4px; padding: 1px 8px; font-size: .78rem; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }
.two-col { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.site-foot {
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--card) 70%, var(--bg));
    padding: 22px 16px 32px;
}
.foot-inner { max-width: 1120px; margin: 0 auto; }
.foot-inner p { margin: 4px 0; }
.foot-inner .mut { max-width: 90ch; }

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
    .head-inner { padding: 10px 14px 0; }
    .nav-toggle { display: inline-flex; align-items: center; }
    .main-nav {
        display: none;
        flex-direction: column;
        gap: 0;
        margin: 10px -14px 0;
        padding: 0 14px 10px;
        background: rgba(0, 0, 0, .18);
    }
    .main-nav.open { display: flex; }
    .main-nav a { border-bottom: 0; border-left: 3px solid transparent; padding: 11px 12px; }
    .main-nav a.on { border-left-color: var(--sage); border-bottom: 0; background: rgba(255, 255, 255, .06); }
    .wrap { padding: 18px 14px 56px; }
    .grid.charts { grid-template-columns: 1fr; }
    .score-row { grid-template-columns: minmax(90px, 120px) 1fr 38px; }
    .weight-row { grid-template-columns: minmax(100px, 130px) 1fr 42px; }
    .photo-overlay { bottom: 64px; }
    .photo-overlay span { font-size: .72rem; }
    .controls > div { min-width: 0; flex: 1 1 140px; }
}

@media (max-width: 460px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .field-grid { gap: 3px; }
    .field-grid > div { font-size: .66rem; }
    .card { padding: 14px; }
    .form-actions .btn { flex: 1 1 auto; }
}

/* ---------- Motion and print ---------- */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .site-head, .site-foot, .nav-toggle, .btn, .form-actions, .controls { display: none !important; }
    .wrap { max-width: none; padding: 0; }
    .card { break-inside: avoid; box-shadow: none; border-color: #bbb; }
    body { background: #fff; color: #000; }
    a { color: #000; }
}