/* TechDeck App UI — Mobile-first dark mode for field technicians */

:root {
  --bg: #0F0F11;
  --surface: #18181B;
  --surface-2: #222226;
  --accent: #F5A623;
  --accent-dim: #C47A0A;
  --blue: #3B82F6;
  --green: #22C55E;
  --red: #EF4444;
  --amber: #F59E0B;
  --text: #F4F4F5;
  --text-2: #A1A1AA;
  --text-3: #52525B;
  --border: #27272A;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ── Auth Pages ─────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}
.brand-mark {
  width: 40px; height: 40px;
  background: var(--accent);
  color: #0F0F11;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
}
.brand-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.03em;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  width: 100%;
  max-width: 400px;
}

.auth-card h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 28px;
  color: var(--text);
  margin-bottom: 6px;
}
.auth-card .subtitle {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 28px;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 15px;
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  transition: border-color 0.15s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #0F0F11;
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent-dim); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--text-2); color: var(--text); }

.auth-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--red);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--red);
  margin-bottom: 16px;
}

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-2);
}
.auth-footer a { color: var(--accent); text-decoration: none; }
.auth-footer a:hover { text-decoration: underline; }

/* ── Dashboard Layout ───────────────────────────────────── */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.app-header-left { display: flex; align-items: center; gap: 12px; }
.app-header-right { display: flex; align-items: center; gap: 12px; }
.user-email {
  font-size: 13px;
  color: var(--text-2);
  font-weight: 500;
}
.logout-btn {
  font-size: 13px;
  color: var(--text-3);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
}
.logout-btn:hover { color: var(--red); }

/* ── Dashboard ───────────────────────────────────────────── */
.dashboard {
  max-width: 600px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

.dashboard-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 32px;
  color: var(--text);
  margin-bottom: 4px;
}
.dashboard-subtitle {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 28px;
}

/* ── Lookup Input ────────────────────────────────────────── */
.lookup-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}
.lookup-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 10px;
}
.lookup-form { display: flex; gap: 8px; }
.lookup-input {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 15px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
  font-weight: 600;
}
.lookup-input:focus { outline: none; border-color: var(--accent); }
.lookup-input::placeholder { color: var(--text-3); font-weight: 400; }
.lookup-btn {
  background: var(--accent);
  color: #0F0F11;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.lookup-btn:hover { background: var(--accent-dim); }

/* ── Diagnosis Card ──────────────────────────────────────── */
.diag-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
}
.diag-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.diag-code-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: #0F0F11;
  padding: 3px 8px;
  border-radius: 4px;
}
.diag-meta { display: flex; gap: 8px; align-items: center; }
.diag-category {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
}
.diag-source-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
}
.diag-source-badge.db { background: rgba(34,197,94,0.15); color: var(--green); }
.diag-source-badge.ai { background: rgba(59,130,246,0.15); color: var(--blue); }
.diag-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 16px; }
.diag-cause-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 4px;
}
.diag-cause { font-size: 15px; color: var(--text); line-height: 1.6; }
.diag-warning {
  background: rgba(239,68,68,0.1);
  border: 1px solid var(--red);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
  line-height: 1.5;
}
.diag-time {
  font-size: 13px;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 6px;
}
.diag-time strong { color: var(--text); }

/* ── Steps ───────────────────────────────────────────────── */
.steps-section { padding: 0 18px 16px; }
.steps-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 12px;
}
.step-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}
.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(245,166,35,0.1);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.step-text { font-size: 14px; color: var(--text-2); line-height: 1.55; }

/* ── Error ───────────────────────────────────────────────── */
.error-msg {
  background: rgba(239,68,68,0.1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 20px;
}

/* ── Code Quick Reference ────────────────────────────────── */
.codes-section { }
.codes-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 10px;
}
.code-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.code-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  text-align: center;
}
.code-chip:hover { border-color: var(--accent); background: var(--surface-2); }
.code-chip-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 2px;
}
.code-chip-name { font-size: 10px; color: var(--text-3); }

@media (max-width: 480px) {
  .code-grid { grid-template-columns: repeat(2, 1fr); }
  .lookup-form { flex-direction: column; }
  .lookup-btn { width: 100%; }
  .auth-card { padding: 28px 20px; }
}