/* ===================================================================
   ChronoCaster PWA — Style Sheet
   Dark ocean theme, mobile-first
   =================================================================== */

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

:root {
  --bg:       #0d1b2a;
  --bg2:      #111d2b;
  --bg3:      #162433;
  --border:   #1e3a5f;
  --blue:     #4fa3e0;
  --blue-lt:  #8ec8f6;
  --text:     #e8f4fd;
  --text-dim: #8ec8f6;
  --green:    #28a745;
  --yellow:   #f0ad4e;
  --red:      #dc3545;
  --orange:   #fd7e14;
  --radius:   8px;
  --hdr-h:    52px;
  --sticky-h: 56px;
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ---------- App Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #0a1520;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  height: var(--hdr-h);
  gap: 8px;
}

.header-logo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.tab-nav {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.tab-btn.active {
  background: var(--border);
  color: #fff;
}
.tab-btn:active { opacity: 0.7; }

/* ---------- Views ---------- */
.view { display: none; padding-bottom: 80px; }
.view.active { display: block; }

/* ---------- Sections / Cards ---------- */
.section {
  margin: 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg3);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  color: var(--text);
  width: 100%;
  text-align: left;
  gap: 8px;
}
.section-header:active { opacity: 0.8; }
.section-chevron { margin-left: auto; transition: transform 0.2s; font-size: 0.75rem; color: var(--text-dim); }
.section-chevron.open { transform: rotate(180deg); }

.section-body { padding: 12px 14px; }
.section-body.hidden { display: none; }

/* ---------- Forms ---------- */
.form-row { margin-bottom: 10px; }
.form-row.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.form-row.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }

label {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  color: var(--text-dim);
  gap: 3px;
}

input[type="number"],
input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 0.9rem;
  padding: 7px 9px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}
input[type="number"]:focus,
input[type="text"]:focus { border-color: var(--blue); }

input[type="checkbox"] {
  width: 20px; height: 20px;
  accent-color: var(--blue);
  cursor: pointer;
  margin-top: 2px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}
.toggle-row label { flex-direction: row; align-items: center; font-size: 0.88rem; gap: 6px; color: var(--text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 9px 16px;
  border-radius: 6px;
  border: none;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
  white-space: nowrap;
  min-height: 40px;
}
.btn:active { opacity: 0.75; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--blue); color: #fff; }
.btn-danger  { background: var(--red);  color: #fff; }
.btn-success { background: var(--green); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-dim);
}
.btn-sm { padding: 6px 11px; font-size: 0.8rem; min-height: 34px; }
.btn-full { width: 100%; }

.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0;
}

/* ---------- Filter Rows ---------- */
.filter-section-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--blue-lt);
  margin: 14px 0 6px;
}

.filter-row {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 6px;
}
.filter-row-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.filter-actions { display: flex; gap: 8px; margin-top: 6px; }

/* ---------- Results: Preset Table ---------- */
.preset-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  white-space: nowrap;
}
thead th {
  background: var(--bg3);
  color: var(--text-dim);
  font-weight: 600;
  padding: 7px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
tbody td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--bg3); }
.td-mono { font-family: 'Courier New', monospace; letter-spacing: 0.03em; }
.td-d { color: var(--green); font-weight: 600; }
.td-u { color: var(--orange); font-weight: 600; }

/* ---------- Metrics ---------- */
.metric-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 8px 0; }
.metric-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  flex: 1 1 130px;
}
.metric-label { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 2px; }
.metric-value { font-size: 1.1rem; font-weight: 700; font-family: 'Courier New', monospace; color: var(--blue-lt); }

/* ---------- Status Banners ---------- */
.status-banner {
  border-left: 5px solid;
  border-radius: 6px;
  padding: 9px 14px;
  font-size: 0.92rem;
  font-weight: 700;
  margin: 8px 10px;
}
.banner-green  { border-color: var(--green); color: var(--green); background: rgba(40,167,69,.1); }
.banner-yellow { border-color: var(--yellow); color: var(--yellow); background: rgba(240,173,78,.1); }
.banner-red    { border-color: var(--red);   color: var(--red);   background: rgba(220,53,69,.1); }
.banner-dark   { border-color: #555; color: #999; background: rgba(0,0,0,.2); }
.banner-blue   { border-color: var(--blue); color: var(--blue-lt); background: rgba(79,163,224,.1); }

/* ---------- Tracker Sticky Bar ---------- */
.tracker-sticky {
  position: sticky;
  top: var(--hdr-h);
  z-index: 150;
  background: #09131d;
  border-bottom: 2px solid var(--blue);
  padding: 7px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.sticky-phase {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex: 1 1 100%;
}
.sticky-stat {
  font-size: 0.78rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.sticky-stat b { color: #fff; font-family: 'Courier New', monospace; }

/* ---------- Filter Phase Card ---------- */
.filter-card {
  background: var(--bg2);
  border: 1.5px solid var(--blue);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 6px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.filter-card-item { font-size: 0.8rem; color: var(--text-dim); white-space: nowrap; }
.filter-card-item b { color: #fff; font-family: 'Courier New', monospace; }

/* ---------- Speed Table ---------- */
.speed-table-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin: 10px 10px 4px;
}

/* ---------- Chart ---------- */
.chart-container {
  margin: 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.chart-container canvas {
  display: block;
  width: 100%;
  height: 300px;
}

/* ---------- Phase Breadcrumb ---------- */
.phase-breadcrumb {
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 6px 10px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}
.phase-done { color: #444; text-decoration: line-through; }
.phase-active { color: var(--blue); font-weight: 700; }
.phase-future { color: #555; }

/* ---------- Actual Presets Section ---------- */
.preset-override-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

/* ---------- Info Box ---------- */
.info-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 8px 10px;
}

/* ---------- Start Button (bottom of Planner) ---------- */
.start-section {
  padding: 12px 10px 6px;
}

/* ---------- Divider ---------- */
.divider {
  height: 1px;
  background: var(--border);
  margin: 10px 0;
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--blue);
  color: var(--blue-lt);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 9999;
  white-space: nowrap;
  animation: fadeInUp 0.2s ease, fadeOut 0.3s ease 2.5s forwards;
}
@keyframes fadeInUp { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
@keyframes fadeOut { to { opacity: 0; } }

/* ---------- Utility ---------- */
.hidden { display: none !important; }
.mt4 { margin-top: 4px; }
.mt8 { margin-top: 8px; }
.mono { font-family: 'Courier New', monospace; }
.text-green { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-red { color: var(--red); }
.text-dim { color: var(--text-dim); }
.text-right { text-align: right; }
.bold { font-weight: 700; }