@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=Barlow:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #080c18;
  --surface:      #0d1424;
  --surface-2:    #111d33;
  --surface-3:    #182640;
  --border:       #1e2d4a;
  --border-light: #263550;

  --accent:       #38bdf8;
  --accent-dark:  #0c3a56;

  --good:         #4ade80;
  --good-border:  rgba(74, 222, 128, 0.35);
  --warn:         #fbbf24;

  --block-night:  #0c1526;
  --block-day:    #1c2b42;

  --text:         #eef2ff;
  --text-2:       #7a8fae;
  --text-3:       #3d5068;

  --r:            10px;
  --r-sm:         6px;
}

html { font-size: 14px; }

body {
  font-family: 'Barlow', sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Atmospheric background ───────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 55vh;
  background: radial-gradient(ellipse 90% 55% at 50% -5%, rgba(56, 189, 248, 0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 12, 24, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 19px;
  color: var(--accent);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: default;
  user-select: none;
}

.logo-icon {
  width: 24px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.9;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.updated-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.icon-btn:hover {
  background: var(--surface-3);
  color: var(--accent);
  border-color: var(--accent);
}

.icon-btn svg { width: 15px; height: 15px; }

.icon-btn.loading svg { animation: spin 0.75s linear infinite; }

/* ── Controls bar ─────────────────────────────────────────────────────────── */
.controls-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 58px;
  z-index: 99;
}

.controls-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  height: 50px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
}

.forecast-range {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.thresholds-toggle {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  font-family: 'Barlow', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.thresholds-toggle svg { width: 13px; height: 13px; }

.thresholds-toggle:hover,
.thresholds-toggle.active {
  color: var(--accent);
  border-color: var(--border);
  background: var(--surface-2);
}

.sort-control {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.sort-btn {
  padding: 4px 10px;
  font-family: 'Barlow', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.sort-btn + .sort-btn {
  border-left: 1px solid var(--border);
}

.sort-btn:hover {
  background: var(--surface-3);
  color: var(--text);
}

.sort-btn.active {
  background: var(--surface-3);
  color: var(--accent);
}

.clear-cache-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-family: 'Barlow', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.clear-cache-btn:hover {
  color: var(--text-2);
  border-color: var(--border);
  background: var(--surface-2);
}

/* ── Thresholds panel ─────────────────────────────────────────────────────── */
.thresholds-panel {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.thresholds-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.threshold-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.threshold-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
}

.threshold-label svg { width: 13px; height: 13px; opacity: 0.7; }

.threshold-input {
  width: 52px;
  padding: 3px 7px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  text-align: center;
  outline: none;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}

.threshold-input::-webkit-outer-spin-button,
.threshold-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.threshold-input:focus { border-color: var(--accent); }

.threshold-unit {
  font-size: 12px;
  color: var(--text-3);
}

.threshold-note {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-3);
  font-style: italic;
}

/* ── Main layout ──────────────────────────────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  padding: 28px 0 48px;
}

.main-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Best bet banner ──────────────────────────────────────────────────────── */
.best-bet {
  margin-bottom: 22px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.08) 0%, rgba(56, 189, 248, 0.03) 100%);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-left: 3px solid var(--accent);
  border-radius: var(--r);
  padding: 13px 20px;
  animation: banner-enter 0.4s ease-out both, glow-pulse 4s ease-in-out 0.4s infinite;
}

.best-bet-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.best-icon {
  font-size: 14px;
  color: var(--accent);
  flex-shrink: 0;
}

.best-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.best-site {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
}

.best-sep { color: var(--text-3); }

.best-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent);
}

/* ── Site grid ────────────────────────────────────────────────────────────── */
.site-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ── Site card ────────────────────────────────────────────────────────────── */
.site-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  animation: card-enter 0.4s ease-out both;
  display: flex;
  flex-direction: column;
}

.site-card:nth-child(1) { animation-delay: 0ms; }
.site-card:nth-child(2) { animation-delay: 60ms; }
.site-card:nth-child(3) { animation-delay: 120ms; }
.site-card:nth-child(4) { animation-delay: 180ms; }

.site-card.has-windows {
  border-left-color: var(--good-border);
}

/* ── Card header ──────────────────────────────────────────────────────────── */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.site-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dir-badge {
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 2px 7px;
}

.card-status {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 4px;
  white-space: nowrap;
}

.status-good {
  color: var(--good);
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.status-none {
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

/* ── Hour strip ───────────────────────────────────────────────────────────── */
.strip-area {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
}

.day-row {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.strip-day-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.blocks {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 2px;
  height: 13px;
}

.hour-block {
  height: 100%;
  border-radius: 1px;
  cursor: crosshair;
  transition: filter 0.1s;
}

.hour-block:hover { filter: brightness(1.35) saturate(1.2); }

.blocks .hour-block:first-child { border-radius: 3px 1px 1px 3px; }
.blocks .hour-block:last-child  { border-radius: 1px 3px 3px 1px; }

.strip-footer {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 8px;
  margin-top: 5px;
}

.time-labels {
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  color: var(--text-3);
  padding: 0 1px;
}

/* ── Windows area ─────────────────────────────────────────────────────────── */
.windows-area {
  padding: 10px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.no-windows {
  font-size: 12px;
  color: var(--text-3);
  font-style: italic;
  padding: 4px 0;
}

.window-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  flex-wrap: wrap;
}

.win-time {
  display: flex;
  align-items: baseline;
  gap: 7px;
  flex-shrink: 0;
}

.win-date {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
}

.win-range {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.win-dur {
  font-size: 11px;
  color: var(--text-3);
  background: var(--surface-3);
  border-radius: 3px;
  padding: 1px 5px;
}

.win-stats {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.win-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.win-stat .wind-arrow {
  width: 13px;
  height: 13px;
  color: var(--text-2);
  flex-shrink: 0;
}

.data-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
}

.stat-unit {
  font-size: 11px;
  color: var(--text-3);
}

/* ── Error card ───────────────────────────────────────────────────────────── */
.error-card .card-header { border-bottom: none; }

.error-msg {
  padding: 12px 16px 16px;
  font-size: 12px;
  color: #f87171;
}

/* ── Loading state ────────────────────────────────────────────────────────── */
.loading-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  color: var(--text-3);
  font-size: 13px;
}

.spinner {
  width: 30px;
  height: 30px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

/* ── Tooltip ──────────────────────────────────────────────────────────────── */
.tooltip {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  background: #18243c;
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  padding: 9px 12px;
  min-width: 150px;
  opacity: 0;
  transition: opacity 0.1s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.tooltip.visible { opacity: 1; }

.tt-header {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 7px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.02em;
}

.tt-night {
  font-size: 11px;
  color: var(--text-3);
  font-style: italic;
}

.tt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 2px 0;
}

.tt-key {
  font-size: 11px;
  color: var(--text-3);
}

.tt-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
}

.tt-row.ok  .tt-val { color: var(--good); }
.tt-row.fail .tt-val { color: #f87171; }
.tt-row.neutral .tt-val { color: var(--text-2); }

/* ── Footer ───────────────────────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 18px 0;
}

.footer-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
}

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes card-enter {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes banner-enter {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 18px rgba(56, 189, 248, 0.06); }
  50%       { box-shadow: 0 0 28px rgba(56, 189, 248, 0.13); }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .header-inner,
  .controls-inner,
  .thresholds-inner,
  .main-inner,
  .footer-inner { padding: 0 16px; }

  .controls-inner { height: auto; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; gap: 10px; }

  .thresholds-toggle { margin-left: 0; }

  .threshold-note { display: none; }

  .win-stats { gap: 8px; }

  .logo { font-size: 17px; }
}