/* Client-facing demo (URL: /demo). Tenant-agnostic copy — agent name and
 * company come from /api/config. Light theme, aligned with the /admin design
 * system (slate + brand blue, Inter). */

:root {
  --bg: #F8FAFC;
  --bg-soft: #F1F5F9;
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --border: #E2E8F0;
  --border-soft: #EEF2F6;
  --border-strong: #CBD5E1;
  --text: #0F172A;
  --text-soft: #475569;
  --text-dim: #94A3B8;
  --accent: #1E90D6;
  --accent-2: #38BDF8;
  --accent-dark: #0A5A8C;
  --accent-soft: #EFF6FF;
  --ok: #16A34A;
  --warn: #D97706;
  --err: #DC2626;
  --info: #2563EB;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 8px 24px -8px rgba(15, 23, 42, 0.12);
  --shadow-accent: 0 14px 36px -10px rgba(30, 144, 214, 0.20);
  --accent-grad: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 50%, var(--accent-dark) 100%);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.demo-page {
  background: var(--bg);
  min-height: 100vh;
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
}

/* Soft tinted mesh (blurred blobs) + faint grid, masked to center. */
body.demo-page::before {
  content: "";
  position: fixed;
  inset: -12%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 14%, #BAE6FD 0%, transparent 42%),
    radial-gradient(circle at 84% 86%, #C7D2FE 0%, transparent 46%);
  filter: blur(120px);
  opacity: 0.32;
}
body.demo-page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 70%);
}

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

/* ============== TOPBAR ============== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 30;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.01em;
  font-size: 15px;
}
.brand:hover { color: var(--text); }
.brand-dot {
  width: 9px; height: 9px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(30, 144, 214, 0.15);
  flex-shrink: 0;
}
.brand-name { color: var(--accent-dark); }
.brand-sep { color: var(--text-dim); font-weight: 400; }
.brand-co { color: var(--text-soft); font-weight: 400; }

.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active { background: var(--accent-soft); color: var(--accent-dark); }
.nav-link svg { opacity: 0.85; }

/* ============== MAIN ============== */
.main {
  flex: 1;
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  padding: 36px 24px 60px;
  position: relative;
  z-index: 1;
}

/* ============== HERO / SETUP ============== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  padding: 4px 0;
}
.avatar {
  filter: drop-shadow(0 14px 28px rgba(30, 144, 214, 0.30));
  margin-bottom: 4px;
}
.avatar svg { display: block; }

.hero h1 {
  font-size: 28px;
  margin: 0;
  letter-spacing: -0.02em;
  font-weight: 600;
  line-height: 1.2;
}
.t-agent { color: var(--accent); }
.t-agent-low { color: var(--accent); }

.hero .sub {
  color: var(--text-soft);
  max-width: 480px;
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}

/* ============== FORM CARD ============== */
.form-card {
  width: 100%;
  max-width: 460px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px 22px 24px;
  text-align: left;
  display: grid;
  gap: 14px;
  box-shadow: var(--shadow);
}
.form-eyebrow {
  margin: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  font-weight: 600;
}
.form-help {
  margin: -6px 0 4px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.5;
}
.form-help .t-agent-low { color: var(--accent-dark); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  font-weight: 600;
}
.field label .req { color: var(--accent); margin-left: 2px; }
.field label small { font-weight: 400; text-transform: none; letter-spacing: 0; opacity: 0.8; }
/* Mode toggle (active vs receptive) */
.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 4px;
}
.mode-toggle input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.mode-opt {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.mode-opt:hover { border-color: var(--border-strong); }
.mode-toggle input[type="radio"]:checked + .mode-opt {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.mode-toggle input[type="radio"]:focus-visible + .mode-opt {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30, 144, 214, 0.15);
}
.mode-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.mode-desc {
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.35;
}
.mode-toggle input[type="radio"]:checked + .mode-opt .mode-title { color: var(--accent-dark); }

.field .field-help {
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.4;
  margin-top: 2px;
}

.field input,
.field select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 13px;
  border-radius: 10px;
  font-size: 16px; /* avoid iOS auto-zoom */
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.field input::placeholder { color: var(--text-dim); }
.field input:hover,
.field select:hover { border-color: var(--border-strong); }
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(30, 144, 214, 0.15);
}

.advanced {
  border-top: 1px dashed var(--border-strong);
  padding-top: 12px;
}
.advanced summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  color: var(--text-soft);
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.advanced summary::-webkit-details-marker { display: none; }
.advanced summary::before { content: "▸"; color: var(--accent); transition: transform 0.15s; display: inline-block; }
.advanced[open] summary::before { transform: rotate(90deg); }
.advanced summary small { font-weight: 400; opacity: 0.8; }
.advanced .field { margin-top: 12px; }

/* ============== BUTTONS ============== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  background: var(--accent-grad);
  color: #FFFFFF;
  border: none;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-accent);
  transition: transform 0.12s, box-shadow 0.12s, opacity 0.15s, filter 0.15s;
}
.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 18px 44px -10px rgba(30, 144, 214, 0.34);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  filter: none;
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--accent-dark);
}

.btn-link {
  color: var(--accent-dark);
  font-size: 14px;
  padding: 11px 4px;
  font-weight: 500;
}

.btn-ghost-danger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(220, 38, 38, 0.4);
  color: var(--err);
  padding: 11px 22px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}
.btn-ghost-danger:hover {
  background: rgba(220, 38, 38, 0.06);
  border-color: var(--err);
}

.form-hint {
  margin: 0;
  font-size: 12px;
  color: var(--text-soft);
  text-align: center;
  line-height: 1.5;
}
.form-hint.err { color: var(--err); }

.lgpd {
  font-size: 12px;
  color: var(--text-dim);
  max-width: 460px;
  line-height: 1.55;
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
  margin: 6px 0 0;
}

/* ============== CALL STAGE ============== */
.call {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  padding: 4px 0;
}
.orb-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 16px 0 8px;
}
.orb {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent-2) 0%, var(--accent) 55%, var(--accent-dark) 100%);
  box-shadow: 0 0 0 0 rgba(30, 144, 214, 0.5), 0 16px 48px -10px rgba(30, 144, 214, 0.35);
  animation: orb-pulse 1.6s infinite;
  position: relative;
}
.orb.connecting { animation: orb-spin 1.4s linear infinite; opacity: 0.85; }
.orb.active { animation: orb-pulse 1.6s infinite; }
.orb.err {
  background: radial-gradient(circle at 30% 30%, #F87171 0%, var(--err) 100%);
  animation: none;
}
.orb.ended { animation: none; opacity: 0.45; filter: saturate(0.4); }
@keyframes orb-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(30, 144, 214, 0.40), 0 16px 48px -10px rgba(30, 144, 214, 0.35); }
  70%  { box-shadow: 0 0 0 32px rgba(30, 144, 214, 0), 0 16px 48px -10px rgba(30, 144, 214, 0.35); }
  100% { box-shadow: 0 0 0 0 rgba(30, 144, 214, 0), 0 16px 48px -10px rgba(30, 144, 214, 0.35); }
}
@keyframes orb-spin {
  0%   { transform: rotate(0deg) scale(1); }
  50%  { transform: rotate(180deg) scale(0.96); }
  100% { transform: rotate(360deg) scale(1); }
}

.orb-status {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.orb-status.ok { color: var(--ok); }
.orb-status.err { color: var(--err); }

.orb-timer {
  font-size: 36px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.transcript {
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  padding: 4px 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
.transcript::-webkit-scrollbar { width: 6px; }
.transcript::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

.line {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.line.user  { border-left: 3px solid var(--info); }
.line.asst  { border-left: 3px solid var(--accent); }
.line.event {
  background: rgba(22, 163, 74, 0.08);
  border-color: rgba(22, 163, 74, 0.3);
  color: var(--ok);
  text-align: center;
  font-size: 13px;
  border-left-width: 1px;
  box-shadow: none;
}
.line .who {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

/* ============== END STAGE ============== */
.end {
  display: flex;
  justify-content: center;
  padding: 24px 0;
}
.end-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 26px;
  text-align: center;
  max-width: 460px;
  width: 100%;
  box-shadow: var(--shadow);
}
.end-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.12);
  color: var(--ok);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 14px;
}
.end-icon.warn { background: rgba(217, 119, 6, 0.12); color: var(--warn); }
.end-icon.err  { background: rgba(220, 38, 38, 0.12); color: var(--err); }
.end-card h2 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 600;
}
.end-card .sub { margin: 0; color: var(--text-soft); line-height: 1.5; }
.end-actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

/* ============== FOOTER ============== */
.footer {
  text-align: center;
  padding: 16px;
  color: var(--text-dim);
  font-size: 12px;
  border-top: 1px solid var(--border);
  background: rgba(248, 250, 252, 0.6);
  position: relative;
  z-index: 1;
}

/* ============== MOBILE (≤ 640px) ============== */
@media (max-width: 640px) {
  .topbar {
    padding: 12px 16px;
  }
  .brand {
    font-size: 14px;
    gap: 7px;
  }
  .brand-co {
    /* hide on small phones to save space */
    display: none;
  }
  .topnav { gap: 2px; }
  .nav-link {
    padding: 7px 9px;
    font-size: 12px;
    gap: 5px;
  }
  .nav-link svg { width: 14px; height: 14px; }

  .main {
    padding: 24px 16px 40px;
  }

  .hero { gap: 14px; }
  .avatar svg { width: 92px; height: 92px; }
  .hero h1 { font-size: 24px; }
  .hero .sub { font-size: 14px; }

  .form-card { padding: 18px; gap: 12px; border-radius: 14px; }
  .btn-primary { padding: 14px 20px; font-size: 16px; width: 100%; }

  .orb { width: 108px; height: 108px; }
  .orb-timer { font-size: 30px; }
  .transcript { max-height: 220px; }

  .end-card { padding: 24px 20px; }
  .end-card h2 { font-size: 18px; }
  .btn-secondary { width: 100%; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 22px; }
  .avatar svg { width: 80px; height: 80px; }
  .orb { width: 96px; height: 96px; }
}