/* Wine Agent Dashboard — styles.css */

@import url('https://fonts.googleapis.com/css2?family=Cormorant:wght@700&family=Figtree:wght@400;500;600;700&display=swap');

:root {
  --ok: #5B8C5A;
  --warning: #C4A35A;
  --critical: #B83A3A;

  --wine: #722F37;
  --wine-dark: #4A1E24;
  --wine-light: #9B4F58;
  --wine-ghost: #F2E8EA;

  --cream: #FAF6F0;
  --parchment: #F0EAE0;
  --ink: #2C1810;
  --stone: #8B7D6B;
  --stone-light: #D4CFC7;
  --gold: #C4A35A;
  --gold-light: #F5EDD8;
  --white: #FFFFFF;

  --sg-color: #4A6FA5;
  --temp-color: #E67E22;

  --font-display: 'Cormorant', 'Georgia', serif;
  --font-body: 'Figtree', 'Segoe UI', sans-serif;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(44,24,16,0.06), 0 1px 8px rgba(44,24,16,0.04);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--cream);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 10%, rgba(114,47,55,0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 90%, rgba(196,163,90,0.05) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* ── Header ──────────────────────────────────────────────── */

.header {
  background: linear-gradient(135deg, var(--wine-dark) 0%, var(--wine) 60%, var(--wine-light) 100%);
  color: var(--white);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.header-back {
  background: none;
  border: none;
  color: rgba(255,255,255,0.85);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: opacity 0.15s;
}

.header-back:active {
  opacity: 0.6;
}

/* ── Navigation tabs ─────────────────────────────────────── */

.nav-tabs {
  display: flex;
  background: var(--wine-dark);
  position: sticky;
  top: 52px;
  z-index: 99;
}

.nav-tab {
  flex: 1;
  padding: 10px 8px;
  text-align: center;
  font-size: 0.87rem;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.nav-tab:hover {
  color: rgba(255,255,255,0.75);
}

.nav-tab.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ── Content area ────────────────────────────────────────── */

.content {
  padding: 12px;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Batch card grid ─────────────────────────────────────── */

.batch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 560px) {
  .batch-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 840px) {
  .batch-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Batch card ──────────────────────────────────────────── */

.batch-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.12s;
  border-left: 4px solid var(--wine);
}

.batch-card:active {
  transform: scale(0.985);
  box-shadow: 0 1px 2px rgba(44,24,16,0.08);
}

.batch-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.batch-card-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--ink);
}

.batch-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 0.82rem;
  color: var(--stone);
}

.batch-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.batch-card-readings {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(212,207,199,0.4);
  font-size: 0.9rem;
}

.batch-card-readings .label {
  font-size: 0.72rem;
  color: var(--stone);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.batch-card-readings .value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ── Status dot ──────────────────────────────────────────── */

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.ok { background: var(--ok); }
.status-dot.warning { background: var(--warning); }
.status-dot.critical { background: var(--critical); }

/* ── Empty state ─────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 60px 16px;
  color: var(--stone);
}

.empty-state h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--wine-dark);
}

.empty-state p {
  font-size: 0.9rem;
}

/* ── Loading ─────────────────────────────────────────────── */

.loading {
  text-align: center;
  padding: 60px 16px;
  color: var(--stone);
  font-size: 0.9rem;
}

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--stone-light);
  border-top-color: var(--wine);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Detail view ─────────────────────────────────────────── */

.detail-header {
  margin-bottom: 16px;
}

.detail-header h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 0.85rem;
  color: var(--stone);
  margin-top: 4px;
}

/* ── Info cards (readings strip) ──────────────────────────── */

.info-cards {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.info-card {
  background: var(--white);
  border-radius: 10px;
  padding: 10px 14px;
  min-width: 80px;
  text-align: center;
  flex-shrink: 0;
  box-shadow: var(--shadow);
  border-bottom: 2px solid var(--stone-light);
}

.info-card:first-child { border-bottom-color: var(--sg-color); }
.info-card:nth-child(2) { border-bottom-color: var(--temp-color); }
.info-card:nth-child(3) { border-bottom-color: var(--gold); }

.info-card-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--stone);
  margin-bottom: 2px;
}

.info-card-value {
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ── Section headers ─────────────────────────────────────── */

.section-header {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--wine-dark);
  margin: 20px 0 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--stone-light), transparent);
}

/* ── Phase list ──────────────────────────────────────────── */

.phase-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.phase-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.phase-name {
  font-weight: 500;
  flex: 1;
  color: var(--ink);
}

.phase-status {
  font-size: 0.8rem;
  color: var(--stone);
  text-transform: capitalize;
}

.phase-item[data-status="active"] {
  border-left: 4px solid var(--ok);
}

.phase-item[data-status="complete"] {
  opacity: 0.6;
}

.phase-item[data-status="skipped"] {
  opacity: 0.4;
}

/* ── Observation list ────────────────────────────────────── */

.observation-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.observation-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--wine-light);
  padding: 10px 14px;
}

.observation-message {
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--ink);
}

.observation-meta {
  font-size: 0.78rem;
  color: var(--stone);
  margin-top: 4px;
  display: flex;
  gap: 10px;
}

.observation-type {
  text-transform: capitalize;
}

/* ── Chart container ─────────────────────────────────────── */

.chart-container {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
  margin-bottom: 16px;
}

.chart-container canvas {
  width: 100% !important;
  height: 200px !important;
}

/* ── Alerts list ─────────────────────────────────────────── */

.alert-filters {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.alert-filter-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--stone-light);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--stone);
  cursor: pointer;
  transition: all 0.15s;
}

.alert-filter-btn:hover {
  border-color: var(--stone);
}

.alert-filter-btn.active {
  background: var(--wine);
  color: var(--white);
  border-color: var(--wine);
}

.alert-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.alert-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.alert-item.critical { border-left: 4px solid var(--critical); }
.alert-item.warning  { border-left: 4px solid var(--warning); }
.alert-item.info     { border-left: 4px solid var(--ok); }

.alert-message {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--ink);
}

.alert-meta {
  font-size: 0.78rem;
  color: var(--stone);
  margin-top: 4px;
}

.alert-severity {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  padding: 2px 8px;
  border-radius: 10px;
}

.alert-severity.critical { color: var(--critical); background: #fef2f2; }
.alert-severity.warning  { color: #a16207; background: var(--gold-light); }
.alert-severity.info     { color: #166534; background: #f0fdf4; }

/* ── Archive grid ────────────────────────────────────────── */

.archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 560px) {
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
}

.archive-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--stone-light);
  padding: 12px 14px;
  opacity: 0.75;
}

.archive-card-name {
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--ink);
}

.archive-card-meta {
  font-size: 0.82rem;
  color: var(--stone);
}

/* ── Error state ─────────────────────────────────────────── */

.error-state {
  text-align: center;
  padding: 60px 16px;
  color: var(--critical);
}

.error-state p {
  font-size: 0.9rem;
  margin-top: 4px;
  color: var(--stone);
}