/* ================================================================
   Time & Flight Calculator Pro — Stylesheet
   Aesthetic: Clean editorial · White base · Sharp ink accents
   Fonts: DM Serif Display (headings) · Figtree (body) · JetBrains Mono (numbers)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Figtree:wght@300;400;500;600&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── Shared variables ──────────────────────────────────────── */
.dcp-wrap {
  --dcp-bg:           #ffffff;
  --dcp-bg-soft:      #f8f9fa;
  --dcp-bg-hover:     #f1f3f5;
  --dcp-border:       #e0e4e8;
  --dcp-border-focus: #111827;
  --dcp-text:         #111827;
  --dcp-text-muted:   #6b7280;
  --dcp-text-light:   #9ca3af;
  --dcp-radius:       14px;
  --dcp-radius-sm:    8px;
  --dcp-radius-xs:    6px;
  --dcp-shadow:       0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
  --dcp-shadow-lg:    0 2px 8px rgba(0,0,0,0.06), 0 12px 40px rgba(0,0,0,0.08);
  --dcp-font-display: 'DM Serif Display', Georgia, serif;
  --dcp-font-body:    'Figtree', sans-serif;
  --dcp-font-mono:    'JetBrains Mono', monospace;
}

/* Calculator-specific accent colors */
.dcp-tah    { --dcp-accent: #0f766e; --dcp-accent-light: #f0fdf9; --dcp-accent-mid: #ccfbf1; }
.dcp-flight { --dcp-accent: #1d4ed8; --dcp-accent-light: #eff6ff; --dcp-accent-mid: #dbeafe; }

/* ── Wrapper ───────────────────────────────────────────────── */
.dcp-wrap {
  font-family: var(--dcp-font-body);
  color: var(--dcp-text);
  background: var(--dcp-bg);
  border: 1px solid var(--dcp-border);
  border-radius: var(--dcp-radius);
  box-shadow: var(--dcp-shadow-lg);
  max-width: 600px;
  margin: 0 auto 2rem;
  overflow: hidden;
  position: relative;
}

.dcp-wrap *, .dcp-wrap *::before, .dcp-wrap *::after {
  box-sizing: border-box;
}

/* ── Header ────────────────────────────────────────────────── */
.dcp-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--dcp-border);
  background: var(--dcp-bg);
}

.dcp-header__icon {
  width: 48px;
  height: 48px;
  background: var(--dcp-accent-light);
  border: 1px solid var(--dcp-accent-mid);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.dcp-title {
  font-family: var(--dcp-font-display);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--dcp-text);
  margin: 0 0 2px;
  line-height: 1.2;
}

.dcp-subtitle {
  font-size: 0.8rem;
  color: var(--dcp-text-muted);
  margin: 0;
  font-weight: 400;
}

/* ── Body ──────────────────────────────────────────────────── */
.dcp-body { padding: 1.5rem 1.75rem; }

/* ── Rows & Fields ─────────────────────────────────────────── */
.dcp-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  align-items: flex-end;
}

.dcp-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dcp-field--grow { flex: 1; }
.dcp-field--full { width: 100%; }

.dcp-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--dcp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Inputs ────────────────────────────────────────────────── */
.dcp-input {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1.5px solid var(--dcp-border);
  border-radius: var(--dcp-radius-sm);
  background: var(--dcp-bg);
  font-family: var(--dcp-font-mono);
  font-size: 0.95rem;
  color: var(--dcp-text);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  -moz-appearance: textfield;
}

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

.dcp-input::placeholder { color: var(--dcp-text-light); font-family: var(--dcp-font-body); }

.dcp-input:focus {
  border-color: var(--dcp-border-focus);
  box-shadow: 0 0 0 3px rgba(17,24,39,0.07);
}

.dcp-input--time {
  width: 68px;
  text-align: center;
  flex-shrink: 0;
}

.dcp-input-prefix,
.dcp-input-suffix {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--dcp-border);
  border-radius: var(--dcp-radius-sm);
  overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s;
  background: var(--dcp-bg);
}

.dcp-input-prefix:focus-within,
.dcp-input-suffix:focus-within {
  border-color: var(--dcp-border-focus);
  box-shadow: 0 0 0 3px rgba(17,24,39,0.07);
}

.dcp-input-prefix .dcp-input,
.dcp-input-suffix .dcp-input {
  border: none;
  box-shadow: none;
  border-radius: 0;
  flex: 1;
}

.dcp-input-prefix .dcp-input:focus,
.dcp-input-suffix .dcp-input:focus {
  border: none;
  box-shadow: none;
}

.dcp-prefix, .dcp-suffix {
  padding: 0 0.65rem;
  font-size: 0.85rem;
  color: var(--dcp-text-muted);
  background: var(--dcp-bg-soft);
  white-space: nowrap;
  font-family: var(--dcp-font-body);
  font-weight: 500;
  border-right: 1.5px solid var(--dcp-border);
  height: 100%;
  display: flex;
  align-items: center;
  line-height: 1;
}

.dcp-suffix {
  border-right: none;
  border-left: 1.5px solid var(--dcp-border);
}

/* ── Select ────────────────────────────────────────────────── */
.dcp-select {
  width: 100%;
  padding: 0.65rem 2rem 0.65rem 0.8rem;
  border: 1.5px solid var(--dcp-border);
  border-radius: var(--dcp-radius-sm);
  background: var(--dcp-bg);
  font-family: var(--dcp-font-body);
  font-size: 0.88rem;
  color: var(--dcp-text);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.18s;
}

.dcp-select:focus { border-color: var(--dcp-border-focus); }

/* ── Pills (multiplier) ────────────────────────────────────── */
.dcp-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.dcp-pill {
  padding: 0.45rem 0.9rem;
  border: 1.5px solid var(--dcp-border);
  border-radius: 50px;
  background: var(--dcp-bg);
  font-family: var(--dcp-font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--dcp-text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.dcp-pill:hover {
  border-color: var(--dcp-accent);
  color: var(--dcp-accent);
  background: var(--dcp-accent-light);
}

.dcp-pill--active {
  border-color: var(--dcp-accent);
  background: var(--dcp-accent);
  color: #fff;
}

.dcp-pill--active:hover { color: #fff; }

/* ── Tabs ──────────────────────────────────────────────────── */
.dcp-tabs {
  display: flex;
  gap: 0;
  border: 1.5px solid var(--dcp-border);
  border-radius: var(--dcp-radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.dcp-tab {
  flex: 1;
  padding: 0.6rem 1rem;
  border: none;
  background: var(--dcp-bg-soft);
  font-family: var(--dcp-font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--dcp-text-muted);
  cursor: pointer;
  transition: all 0.15s;
  border-right: 1.5px solid var(--dcp-border);
}

.dcp-tab:last-child { border-right: none; }
.dcp-tab:hover { background: var(--dcp-bg-hover); color: var(--dcp-text); }
.dcp-tab--active { background: var(--dcp-accent); color: #fff; font-weight: 600; }
.dcp-tab--active:hover { background: var(--dcp-accent); color: #fff; }

.dcp-tab-panel { display: none; }
.dcp-tab-panel--active { display: block; }

/* ── Flight layout ─────────────────────────────────────────── */
.dcp-flight-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 12px;
}

.dcp-flight-point__label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--dcp-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.dcp-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dcp-dot--dep { background: #0f766e; }
.dcp-dot--arr { background: #1d4ed8; }
.dcp-dot--dur { background: #7c3aed; }

.dcp-time-row {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  flex-wrap: wrap;
}

.dcp-time-sep {
  font-family: var(--dcp-font-mono);
  font-size: 1.1rem;
  color: var(--dcp-text-muted);
  padding-bottom: 0.55rem;
  line-height: 1;
}

/* AM/PM toggle */
.dcp-ampm {
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--dcp-border);
  border-radius: var(--dcp-radius-xs);
  overflow: hidden;
}

.dcp-ampm__btn {
  background: none;
  border: none;
  font-family: var(--dcp-font-body);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--dcp-text-muted);
  padding: 4px 7px;
  cursor: pointer;
  transition: all 0.12s;
  line-height: 1.1;
}

.dcp-ampm__btn--active {
  background: var(--dcp-accent);
  color: #fff;
}

/* Flight arrow connector */
.dcp-flight-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 2rem;
  gap: 3px;
  color: var(--dcp-text-light);
}

.dcp-flight-arrow__line {
  width: 1px;
  height: 18px;
  background: var(--dcp-border);
}

.dcp-flight-arrow__plane {
  font-size: 0.9rem;
  transform: rotate(90deg);
  color: var(--dcp-accent);
}

/* ── Button ────────────────────────────────────────────────── */
.dcp-btn {
  width: 100%;
  padding: 0.8rem 1.5rem;
  margin-top: 1.25rem;
  background: var(--dcp-text);
  border: none;
  border-radius: var(--dcp-radius-sm);
  font-family: var(--dcp-font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: background 0.18s, transform 0.12s;
}

.dcp-btn:hover { background: #374151; }
.dcp-btn:active { transform: scale(0.99); }

/* ── Error ─────────────────────────────────────────────────── */
.dcp-error {
  display: none;
  margin-top: 12px;
  padding: 0.65rem 0.9rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--dcp-radius-xs);
  font-size: 0.84rem;
  color: #dc2626;
}
.dcp-error--show { display: block; }

/* ── Loading ───────────────────────────────────────────────── */
.dcp-loading {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.85);
  z-index: 10;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
}
.dcp-loading--show { display: flex; }

.dcp-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--dcp-border);
  border-top-color: var(--dcp-accent);
  border-radius: 50%;
  animation: dcp-spin 0.75s linear infinite;
}

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

/* ── Result ────────────────────────────────────────────────── */
.dcp-result {
  display: none;
  margin-top: 1.25rem;
  border: 1.5px solid var(--dcp-border);
  border-radius: var(--dcp-radius-sm);
  overflow: hidden;
  animation: dcp-fade-up 0.3s ease;
}

.dcp-result--show { display: block; }

@keyframes dcp-fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.dcp-result__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1rem;
  background: var(--dcp-accent-light);
  border-bottom: 1.5px solid var(--dcp-accent-mid);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dcp-accent);
}

.dcp-result__icon { font-size: 0.9rem; }
.dcp-result__title { flex: 1; }

.dcp-result__clear {
  background: none;
  border: 1px solid var(--dcp-accent-mid);
  border-radius: 4px;
  font-family: var(--dcp-font-body);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--dcp-accent);
  padding: 2px 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.dcp-result__clear:hover {
  background: var(--dcp-accent);
  color: #fff;
  border-color: var(--dcp-accent);
}

.dcp-result__main {
  padding: 1.25rem 1.25rem 0.75rem;
  text-align: center;
  border-bottom: 1px solid var(--dcp-border);
}

.dcp-result__total-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--dcp-text-muted);
  margin-bottom: 4px;
}

.dcp-result__total {
  font-family: var(--dcp-font-mono);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--dcp-accent);
  line-height: 1.1;
  margin-bottom: 4px;
}

.dcp-result__total--flight { font-size: 2.2rem; }

.dcp-result__hours {
  font-size: 0.8rem;
  color: var(--dcp-text-muted);
  margin-top: 2px;
}

/* Breakdown table */
.dcp-breakdown {
  padding: 0.5rem 0;
}

.dcp-breakdown__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--dcp-bg-soft);
}

.dcp-breakdown__row:last-child { border-bottom: none; }

.dcp-breakdown__row--ot { background: #fffbeb; }
.dcp-breakdown__row--total { background: var(--dcp-bg-soft); font-weight: 600; }

.dcp-breakdown__label { color: var(--dcp-text-muted); }
.dcp-breakdown__mult { font-size: 0.75rem; color: var(--dcp-accent); font-weight: 600; }

.dcp-breakdown__val {
  font-family: var(--dcp-font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dcp-text);
}

.dcp-breakdown__val--ot { color: #d97706; }

/* Flight result sections */
.flight-res-section { display: none; }
.flight-res-section.dcp-active { display: block; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 520px) {
  .dcp-body { padding: 1.25rem; }
  .dcp-row { flex-direction: column; gap: 10px; }
  .dcp-field--grow { width: 100%; }
  .dcp-flight-grid { grid-template-columns: 1fr; }
  .dcp-flight-arrow { flex-direction: row; padding-top: 0; padding-left: 0; }
  .dcp-flight-arrow__line { width: 24px; height: 1px; }
  .dcp-flight-arrow__plane { transform: none; }
  .dcp-result__total { font-size: 2rem; }
  .dcp-title { font-size: 1.25rem; }
}