:root {
  color-scheme: light;

  --bg: #f6f8f7;
  --surface: #ffffff;
  --surface-2: #f8faf9;
  --surface-3: #eef2f1;
  --ink: #12201f;
  --ink-soft: #2c3b3a;
  --muted: #5d6e6c;
  --line: #e1e7e5;
  --line-strong: #c8d2cf;

  --accent: #0f766e;
  --accent-hover: #0c615b;
  --accent-soft: #e5f3f1;
  --accent-ink: #ffffff;
  --sun: #f08519;
  --sun-soft: #fff3e3;

  --ok: #067647;
  --ok-bg: #e5f6ec;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --bad-line: #f3c7c2;
  --warn: #a6530a;
  --warn-bg: #fef3e2;

  --chart-text: #5d6e6c;
  --chart-grid: #e1e7e5;
  --chart-exclusion: rgba(180, 35, 24, 0.12);
  --chart-forecast: #0f766e;
  --chart-actual: #f08519;
  --chart-extra: #6366f1, #0284c7, #65a30d, #64748b, #dc2626, #db2777;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-pill: 999px;

  --shadow-1: 0 1px 2px rgba(16, 32, 31, 0.05), 0 1px 1px rgba(16, 32, 31, 0.03);
  --shadow-2: 0 12px 32px -8px rgba(16, 32, 31, 0.18), 0 2px 6px rgba(16, 32, 31, 0.06);
  --focus: 0 0 0 3px color-mix(in srgb, var(--accent) 32%, transparent);
  --ease: 140ms cubic-bezier(0.2, 0, 0, 1);

  --font: "Avenir Next", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --control-h: 2.25rem;
  --content-max: 1440px;
  --gutter: 1.5rem;
}

html[data-theme="dark"] {
  color-scheme: dark;
    --bg: #0d1514;
    --surface: #121c1b;
    --surface-2: #162221;
    --surface-3: #1c2a29;
    --ink: #e5eeec;
    --ink-soft: #c9d6d3;
    --muted: #93a5a2;
    --line: #243433;
    --line-strong: #344847;

    --accent: #2db3a5;
    --accent-hover: #46c7b9;
    --accent-soft: rgba(45, 179, 165, 0.14);
    --accent-ink: #04201d;
    --sun: #ffa53d;
    --sun-soft: rgba(255, 165, 61, 0.13);

    --ok: #4ade80;
    --ok-bg: rgba(74, 222, 128, 0.12);
    --bad: #f87171;
    --bad-bg: rgba(248, 113, 113, 0.12);
    --bad-line: rgba(248, 113, 113, 0.4);
    --warn: #fbbf24;
    --warn-bg: rgba(251, 191, 36, 0.12);

    --chart-text: #93a5a2;
    --chart-grid: #243433;
    --chart-exclusion: rgba(248, 113, 113, 0.16);
    --chart-forecast: #2dd4bf;
    --chart-actual: #ffa53d;
    --chart-extra: #818cf8, #38bdf8, #a3e635, #94a3b8, #f87171, #f472b6;

    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-2: 0 16px 40px -8px rgba(0, 0, 0, 0.6), 0 2px 6px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: color-mix(in srgb, var(--accent) 25%, transparent); }

h1, h2, h3, h4 { font-weight: 650; letter-spacing: -0.015em; margin: 0; color: var(--ink); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; margin: 1.6rem 0 0.6rem; }

a { color: var(--accent); }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.05rem 0.3rem;
  border-radius: 5px;
  background: var(--surface-3);
  color: var(--ink-soft);
}

/* Brand */

a.brand:link,
a.brand:visited,
a.brand:hover,
a.brand:active,
.brand {
  display: inline-flex;
  flex-flow: row nowrap;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
  border-radius: var(--r-md);
}

.brand:focus-visible { outline: none; box-shadow: var(--focus); }

.brand-mark {
  display: block;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 12px -4px rgba(15, 118, 110, 0.55);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }

a.brand:link .brand-name,
a.brand:visited .brand-name,
.brand-name {
  font-size: 1.3rem;
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--accent);
}

a.brand:link .brand-name span,
a.brand:visited .brand-name span,
.brand-name span { color: var(--sun); }

.eyebrow {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  font-weight: 600;
}

/* Header */

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  align-items: center;
  padding: 0.75rem max(var(--gutter), calc((100% - var(--content-max)) / 2 + var(--gutter)));
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: var(--r-pill);
  background: var(--surface-3);
  border: 1px solid var(--line);
}

.tab-short { display: none; }

.theme-toggle-label::before { content: "Light"; }
html[data-theme="dark"] .theme-toggle-label::before { content: "Dark"; }
.theme-toggle[aria-pressed="true"] { color: var(--sun); }

.login-theme {
  position: fixed;
  z-index: 5;
  top: calc(0.85rem + env(safe-area-inset-top));
  right: 0.85rem;
}

.account { display: flex; flex-wrap: wrap; gap: 0.25rem; align-items: center; justify-content: flex-end; }
.account-name {
  color: var(--muted);
  font-size: 0.82rem;
  margin-right: 0.35rem;
  white-space: nowrap;
}

/* Controls */

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

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: var(--control-h);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--r-sm);
  padding: 0.35rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 550;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: background-color var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease), transform var(--ease);
}

button:hover:not(:disabled) { background: var(--surface-2); border-color: var(--muted); }
button:active:not(:disabled) { transform: translateY(1px); }
button:focus-visible { outline: none; box-shadow: var(--focus); }

button[type="submit"], button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

button[type="submit"]:hover:not(:disabled), button.primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

button.ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--ink-soft);
}

button.ghost:hover:not(:disabled) { background: var(--surface-3); border-color: transparent; }

button.ghost.login-theme {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow-1);
}
button.ghost.login-theme:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--line-strong);
}

button.danger { color: var(--bad); border-color: var(--bad-line); background: var(--surface); }
button.danger:hover:not(:disabled) { background: var(--bad-bg); border-color: var(--bad); }

button:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; }

.tab {
  min-height: 2rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted);
  padding: 0.3rem 0.95rem;
  box-shadow: none;
  font-weight: 600;
}

.tab:hover:not(:disabled) { background: transparent; border-color: transparent; color: var(--ink); }

.tab.active,
.tab.active:hover:not(:disabled) {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--line);
  box-shadow: var(--shadow-1);
}

input, select, textarea {
  min-height: var(--control-h);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 0.4rem 0.6rem;
  color: var(--ink);
  background: var(--surface);
  min-width: 8rem;
  font-size: 0.9rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}

input:hover:not(:disabled), select:hover:not(:disabled), textarea:hover:not(:disabled) { border-color: var(--muted); }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--focus);
}

input::placeholder, textarea::placeholder { color: var(--muted); opacity: 0.75; }

input:user-invalid, select:user-invalid, textarea:user-invalid { border-color: var(--bad); }
input:user-invalid:focus, textarea:user-invalid:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 25%, transparent);
}

input:disabled, select:disabled, textarea:disabled { background: var(--surface-3); color: var(--muted); cursor: not-allowed; }

select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%237d8f8c' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  background-size: 14px;
  cursor: pointer;
}

input[type="checkbox"] {
  min-width: 1.05rem;
  width: 1.05rem;
  height: 1.05rem;
  min-height: 0;
  padding: 0;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

input[type="checkbox"]:focus { box-shadow: none; }
input[type="checkbox"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

input[type="file"] { padding: 0.3rem; cursor: pointer; }
input[type="file"]::file-selector-button {
  font: inherit;
  font-size: 0.85rem;
  margin-right: 0.6rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface-3);
  color: var(--ink);
  cursor: pointer;
}

textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.45;
  resize: vertical;
}

/* Login */

.login-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 1.25rem;
  background:
    radial-gradient(60rem 40rem at 85% -10%, var(--sun-soft), transparent 60%),
    radial-gradient(50rem 36rem at -10% 110%, var(--accent-soft), transparent 60%),
    var(--bg);
}

.login-card {
  width: min(24rem, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.75rem 1.75rem 1.6rem;
  box-shadow: var(--shadow-2);
}

.login-card .brand { gap: 0.8rem; }
.login-card .brand-mark { width: 44px; height: 44px; border-radius: 12px; }
.login-card .brand-name { font-size: 1.5rem; }
.login-card h2 { margin: 1.6rem 0 0.4rem; font-size: 1.1rem; }
.login-card form { display: flex; flex-direction: column; gap: 0.8rem; }
.login-card label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.82rem; font-weight: 550; color: var(--ink-soft); }
.login-card input { width: 100%; min-height: 2.6rem; }
.login-card button { margin-top: 0.4rem; min-height: 2.75rem; font-size: 0.95rem; }
.login-card .status { margin: 0.9rem 0 0; }
.login-card .status:empty { margin: 0; }
.login-card p.muted { margin: 0; font-size: 0.8rem; }
.login-foot { margin: 0; color: var(--muted); font-size: 0.78rem; }

/* Dialog */

dialog {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.4rem 1.5rem;
  width: min(26rem, 92vw);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-2);
}
dialog::backdrop {
  background: rgba(10, 20, 19, 0.45);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}
dialog form { display: flex; flex-direction: column; gap: 0.75rem; }
dialog h2 { margin-bottom: 0.2rem; }
dialog label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.82rem; font-weight: 550; color: var(--ink-soft); }
dialog input { width: 100%; }
dialog .status { margin: 0; }
dialog .actions { justify-content: flex-end; margin-top: 0.3rem; }

#users td select { min-width: 9rem; }
#users td button { margin: 0 0.3rem 0.3rem 0; }

/* Layout */

main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter) 3rem;
}

.panel {
  margin: 0.5rem 0 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.25rem 1.4rem 1.5rem;
  box-shadow: var(--shadow-1);
}

.panel > p.muted { margin: 0.4rem 0 1rem; max-width: 72ch; }

.panel-head, .filters, .actions, .chart-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.panel-head {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.9rem;
}

.filters {
  padding: 0.85rem 1rem;
  margin: 0.2rem 0 0.9rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.chart-options { gap: 0.4rem 1.1rem; margin: 0.4rem 0 0.6rem; }

.filters label, .actions label, fieldset label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 550;
  color: var(--ink-soft);
}

.status {
  min-height: 0;
  margin: 0;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
}

.status:not(:empty) {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.5rem 0.85rem;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
  animation: status-in 180ms ease-out;
}

.status:not(:empty)::before {
  content: "";
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.42em;
  border-radius: 50%;
  background: currentColor;
}

.status.error { color: var(--bad); background: var(--bad-bg); }
.status.ok { color: var(--ok); background: var(--ok-bg); }

#status {
  max-width: calc(var(--content-max) - 2 * var(--gutter));
  margin: 0 auto;
}
#status:not(:empty) { margin: 0.9rem max(var(--gutter), calc((100% - var(--content-max)) / 2 + var(--gutter))) 0; }

@keyframes status-in {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: none; }
}

/* Tables */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 0.65rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th {
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
tbody tr { transition: background-color var(--ease); }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }

#portfolio th:nth-child(4), #portfolio th:nth-child(5),
#portfolio td:nth-child(4), #portfolio td:nth-child(5) { text-align: right; }
#portfolio-body td:first-child { font-weight: 600; }

/* Badges, metrics, lists */

.badge {
  display: inline-flex;
  align-items: center;
  margin: 0.1rem 0.3rem 0.1rem 0;
  padding: 0.12rem 0.55rem;
  border-radius: var(--r-pill);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--surface-3);
  color: var(--ink-soft);
  white-space: nowrap;
}

.badge.success { background: var(--ok-bg); color: var(--ok); }
.badge.failed { background: var(--bad-bg); color: var(--bad); }
.badge.not_sent { background: var(--warn-bg); color: var(--warn); }

.empty, .muted { color: var(--muted); }
.empty {
  margin: 0.8rem 0 0;
  padding: 1.5rem;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
}
p.muted { font-size: 0.86rem; }
.maket-result { margin: 0.6rem 0 0; padding-left: 1.1rem; }
.maket-result .error { color: var(--bad); }
.metrics { margin: 0.8rem 0; font-variant-numeric: tabular-nums; }

#chart-box, #research-chart {
  height: 520px;
  width: 100%;
  margin-top: 0.4rem;
}

.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.7rem; margin: 0.9rem 0; }
.metric-card {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 0.8rem 0.95rem 0.85rem;
}
.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--sun), var(--accent));
}
.metric-card span { display: block; color: var(--muted); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 0.15rem; }
.metric-card strong { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.metric-grid .muted { grid-column: 1 / -1; margin: 0; }
.metric-grid .research-warning {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0.55rem 0.8rem;
  border-radius: var(--r-sm);
  color: var(--warn);
  background: var(--warn-bg);
}

.alerts { list-style: none; padding: 0; margin: 0.4rem 0 0; }
.alerts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.65rem 0.2rem;
  border-bottom: 1px solid var(--line);
}
.alerts li:last-child { border-bottom: 0; }
.alerts li.acked { color: var(--muted); }

.check {
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem !important;
  color: var(--ink) !important;
  font-weight: 500 !important;
  cursor: pointer;
}

/* Configuration */

.config-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 1.4rem; }
.config-layout aside #new-station { width: 100%; }
.station-list { list-style: none; padding: 0; margin: 0.7rem 0 0; }
.station-list button {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
  margin-bottom: 0.2rem;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  color: var(--ink-soft);
  font-weight: 500;
}
.station-list button:hover:not(:disabled) { background: var(--surface-3); border-color: transparent; }
.station-list button.selected,
.station-list button.selected:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent);
  font-weight: 650;
}

fieldset {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  margin: 1rem 0;
  padding: 0.6rem 1.1rem 1.1rem;
  min-width: 0;
}
legend {
  padding: 0 0.4rem;
  margin-left: -0.4rem;
  color: var(--ink);
  font-weight: 650;
  font-size: 0.92rem;
}
fieldset > p.muted { margin: 0.2rem 0 0.9rem; max-width: 80ch; }
fieldset > label + label, fieldset > label + .actions, fieldset > .grid + .grid, fieldset > .grid + label { margin-top: 0.8rem; }
fieldset > button { margin-top: 0.4rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0.8rem 0.9rem; }
.grid input:not([type="checkbox"]), .grid select { width: 100%; min-width: 0; }
.grid > .check { align-self: end; min-height: var(--control-h); }
.stack { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 0.6rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: end; }

.coef-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(70px, 1fr));
  gap: 0.5rem;
  margin: 0.8rem 0;
}
.coef-grid label input { min-width: 0; width: 100%; font-variant-numeric: tabular-nums; }

.exclude-box {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: end;
  margin-top: 0.8rem;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
}
.exclude-box p { flex: 1 1 240px; margin: 0; color: var(--muted); font-size: 0.86rem; }
.exclude-box label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.8rem; font-weight: 550; color: var(--ink-soft); }

.subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0.9rem 0 0.4rem;
  border-bottom: 1px solid var(--line);
}
.subtab {
  margin-bottom: -1px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--muted);
  padding: 0.5rem 0.8rem;
}
.subtab:hover:not(:disabled) { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.subtab.active,
.subtab.active:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); font-weight: 650; }

.save-bar {
  position: sticky;
  bottom: 0;
  z-index: 5;
  margin-top: 1.2rem;
  padding: 0.8rem 0;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
}

.slot-group { margin-bottom: 1rem; }
.slot-group h4 { margin: 0 0 0.5rem; color: var(--muted); letter-spacing: 0.06em; font-size: 0.75rem; }
.slot {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
  padding: 0.8rem 0.95rem;
  margin-bottom: 0.6rem;
}
.slot-head { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; justify-content: space-between; }
.slot-fields { grid-template-columns: repeat(auto-fit, minmax(160px, 240px)); margin-top: 0.5rem; }
.slot p { margin: 0.4rem 0 0; }
.slot .actions { margin-top: 0.6rem; }
.slot-preview.invalid { color: var(--bad); }
.slot-next.skipping { color: var(--warn); }
.slot-email { margin-top: 0.7rem; padding-top: 0.7rem; border-top: 1px dashed var(--line-strong); }
.slot-email-fields { grid-template-columns: minmax(220px, 2fr) minmax(160px, 1fr); margin-top: 0.5rem; }
.slot-email-note.invalid { color: var(--bad); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1100px) {
  .top { flex-wrap: wrap; }
  .tabs { order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { flex: 1 0 auto; }
}

@media (max-width: 860px) {
  :root { --gutter: 0.75rem; }
  .config-layout { display: block; }
  .config-layout aside { margin-bottom: 0.6rem; }
  .coef-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  :root { --control-h: 44px; }

  body {
    --tabbar: calc(4rem + env(safe-area-inset-bottom));
    padding-bottom: var(--tabbar);
    overflow-x: hidden;
  }

  main { padding: 0 0.6rem 1rem; }

  .top {
    flex-wrap: nowrap;
    padding: calc(0.6rem + env(safe-area-inset-top)) 0.8rem 0.6rem;
    background: var(--bg);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .brand-mark { width: 32px; height: 32px; border-radius: 9px; }
  .brand-name { font-size: 1.15rem; }
  .top .eyebrow { display: none; }
  .account-name { display: none; }
  .account { flex-wrap: nowrap; }
  .account button { padding: 0.3rem 0.55rem; font-size: 0.8rem; }

  .tabs {
    position: fixed;
    z-index: 30;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    gap: 0.25rem;
    width: auto;
    margin: 0;
    padding: 0.4rem 0.45rem calc(0.45rem + env(safe-area-inset-bottom));
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    box-shadow: 0 -4px 16px rgba(16, 32, 31, 0.06);
    overflow: visible;
  }

  .tab {
    min-width: 0;
    min-height: 44px;
    padding: 0.45rem 0.15rem;
    border-radius: var(--r-md);
    text-align: center;
    font-size: 0.8rem;
  }

  .tab.active,
  .tab.active:hover:not(:disabled) {
    background: var(--accent-soft);
    border-color: transparent;
    box-shadow: none;
  }

  .tab-full { display: none; }
  .tab-short { display: inline; }

  .panel {
    margin: 0.5rem 0 1rem;
    padding: 0.9rem 0.85rem 1rem;
    border-radius: 14px;
  }

  #status:not(:empty) { margin: 0.6rem 0.6rem 0; overflow-wrap: anywhere; }

  .panel-head {
    justify-content: space-between;
    align-items: center;
  }

  .filters,
  .actions,
  .exclude-box {
    flex-direction: column;
    align-items: stretch;
  }

  .filters { padding: 0.75rem; }

  .filters > label,
  .actions > label,
  .exclude-box > label,
  .exclude-box > p {
    width: 100%;
    flex: none;
  }

  .filters > button,
  .actions > button,
  .exclude-box > button,
  fieldset > button,
  .save-bar > button,
  .slot .actions > button,
  .row > button,
  #new-station {
    width: 100%;
    min-height: 44px;
    white-space: normal;
  }

  input, select, textarea {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 44px;
    font-size: 16px;
  }

  input[type="checkbox"] {
    width: 1.15rem;
    min-width: 1.15rem;
    height: 1.15rem;
    min-height: 1.15rem;
  }

  textarea { min-height: 5.5rem; }

  fieldset { padding: 0.5rem 0.8rem 0.9rem; }

  .grid,
  .slot-fields,
  .slot-email-fields,
  .row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .row > * { min-width: 0; width: 100%; }

  .table-wrap { overflow: visible; border: 0; border-radius: 0; }

  #portfolio table,
  #portfolio thead,
  #portfolio tbody { display: block; }

  #portfolio thead { display: none; }

  #portfolio-body tr {
    display: block;
    margin-bottom: 0.7rem;
    padding: 0.7rem 0.8rem 0.5rem;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--surface-2);
  }

  #portfolio-body td {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    align-items: baseline;
    padding: 0.28rem 0;
    border-bottom: 0;
    text-align: right;
  }

  #portfolio-body td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: left;
  }

  #portfolio-body td[data-label="Station"] {
    display: block;
    padding-bottom: 0.15rem;
    font-size: 1.05rem;
    font-weight: 650;
    text-align: left;
  }

  #portfolio-body td[data-label="Station"]::before { content: none; }

  #portfolio-body td[data-label="Submissions"] {
    display: block;
    text-align: left;
  }

  #portfolio-body td[data-label="Submissions"]::before {
    display: block;
    margin-bottom: 0.3rem;
  }

  #users table,
  #users thead,
  #users tbody { display: block; }

  #users thead { display: none; }

  #users-body tr {
    display: block;
    margin-bottom: 0.7rem;
    padding: 0.7rem 0.8rem 0.5rem;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--surface-2);
  }

  #users-body td {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    align-items: baseline;
    padding: 0.28rem 0;
    border-bottom: 0;
    text-align: right;
  }

  #users-body td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: left;
  }

  #users-body td[data-label="User"],
  #users-body td[data-label="Actions"] {
    display: block;
    text-align: left;
  }

  #users-body td[data-label="User"]::before { content: none; }

  tbody tr:hover { background: var(--surface-2); }

  .alerts li {
    flex-direction: column;
    align-items: stretch;
  }

  .alerts li button { align-self: flex-start; min-height: 44px; }

  #chart-box { height: 320px; }
  #research-chart { height: 340px; }

  .config-layout aside {
    margin-bottom: 0.2rem;
  }

  .station-list {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.45rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .station-list li { flex: 0 0 auto; }

  .station-list button {
    width: auto;
    margin: 0;
    min-height: 44px;
    white-space: nowrap;
    border-color: var(--line);
    border-radius: var(--r-pill);
  }

  .subtabs {
    position: sticky;
    top: calc(3.5rem + env(safe-area-inset-top));
    z-index: 8;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 0.4rem -0.85rem 0.6rem;
    padding: 0 0.85rem;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
  }

  .subtabs::-webkit-scrollbar { display: none; }

  .subtab {
    flex: 0 0 auto;
    min-height: 44px;
    white-space: nowrap;
  }

  .slot .actions { align-items: stretch; }

  .coef-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .coef-grid label input { min-height: 40px; font-size: 16px; }

  .save-bar {
    bottom: var(--tabbar);
    z-index: 12;
    flex-direction: column;
    align-items: stretch;
    margin-left: -0.85rem;
    margin-right: -0.85rem;
    padding: 0.7rem 0.85rem;
  }

  .metric-card strong { font-size: 1.15rem; }
}

@media (max-width: 380px) {
  .coef-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tab { font-size: 0.72rem; }
  .account button { padding: 0.3rem 0.4rem; }
}