/* ============================================================
   Cobinar Phone — API Sandbox
   test.phone.cobinar.com
   ============================================================ */

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

:root {
  --bg:          #e4e7ee;
  --bg-page:     #e9ebf2;
  --bg-card:     #eef0f6;
  --bg-lift:     #f6f7fb;

  --neo-out:     9px 9px 18px #b9bdc9, -9px -9px 18px #ffffff;
  --neo-out-sm:  5px 5px 10px #bdc1cd, -5px -5px 10px #ffffff;
  --neo-out-lg:  14px 14px 28px #b3b7c4, -14px -14px 28px #ffffff;
  --neo-inset:   inset 6px 6px 12px #b9bdc9, inset -6px -6px 12px #ffffff;
  --neo-inset-sm:inset 4px 4px 8px #bdc1cd, inset -4px -4px 8px #ffffff;
  --neo-hover:   7px 7px 16px #aeb2c0, -7px -7px 16px #ffffff;

  --accent:       #FF6B2B;
  --accent-light: #FF8C55;
  --accent-dark:  #E55520;
  --accent-dim:   rgba(255,107,43,0.10);
  --accent-neo:   6px 6px 16px rgba(255,107,43,0.35), -4px -4px 10px rgba(255,255,255,0.8);

  --success:     #00b894;
  --success-bg:  rgba(0,184,148,0.10);
  --danger:      #e74c3c;
  --danger-bg:   rgba(231,76,60,0.10);
  --warning:     #e67e22;
  --warning-bg:  rgba(230,126,34,0.10);
  --info:        #3498db;
  --info-bg:     rgba(52,152,219,0.10);

  --text-1:    #1a1c2e;
  --text-2:    #5a5c7a;
  --text-3:    #9a9cb8;

  --font-sans:    'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --ease: cubic-bezier(0.34,1.56,0.64,1);
  --t:    220ms;
}

@keyframes fadeInUp { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }
@keyframes spin { to{transform:rotate(360deg)} }
@keyframes pulse { 0%,100%{box-shadow:var(--accent-neo)} 50%{box-shadow:8px 8px 22px rgba(255,107,43,0.45),-5px -5px 14px rgba(255,255,255,0.85)} }
@keyframes popIn { from{opacity:0;transform:scale(0.9)} to{opacity:1;transform:scale(1)} }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-1);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent-dim); color: var(--accent-dark); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: #c0c3ce; border-radius: 3px; }

/* ── HEADER ── */
.top {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg-card);
  box-shadow: 0 4px 16px rgba(180,184,196,0.5);
  border-bottom: 1px solid rgba(180,184,196,0.3);
  padding: 14px 24px;
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap;
}
.top-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.top-logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--accent-neo);
  animation: pulse 3s ease-in-out infinite;
  flex-shrink: 0;
}
.top-logo-mark svg { width: 16px; height: 16px; color: #fff; }
.top-logo-text { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--text-1); }
.top-badge {
  font-size: 11px; font-weight: 700;
  padding: 4px 11px; border-radius: 999px;
  background: var(--bg-card); color: var(--accent-dark);
  box-shadow: var(--neo-out-sm);
}
.top-links { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.top-link {
  font-size: 13px; font-weight: 600; color: var(--text-2);
  padding: 8px 14px; border-radius: 10px;
  text-decoration: none;
  background: var(--bg-card);
  box-shadow: var(--neo-out-sm);
  transition: all var(--t) var(--ease);
}
.top-link:hover { color: var(--accent-dark); box-shadow: var(--neo-hover); transform: translateY(-1px); }

/* ── LAYOUT ── */
.wrap { max-width: 1140px; margin: 0 auto; padding: 32px 24px 80px; }

.intro { margin-bottom: 28px; }
.intro-title {
  font-family: var(--font-display); font-size: clamp(24px, 3.5vw, 32px);
  font-weight: 700; letter-spacing: -0.03em; color: var(--text-1); margin-bottom: 8px;
  animation: fadeInUp 0.5s var(--ease) both;
}
.intro-desc { font-size: 14px; color: var(--text-2); max-width: 640px; line-height: 1.7; animation: fadeInUp 0.5s var(--ease) 0.05s both; }

.env-banner {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--bg-card);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: var(--neo-inset);
  margin-top: 18px;
  font-size: 13px; color: var(--text-2);
  animation: fadeInUp 0.5s var(--ease) 0.1s both;
}
.env-banner strong { color: var(--text-1); }
.env-banner svg { flex-shrink: 0; color: var(--warning); width: 16px; height: 16px; }

/* ── PANEL GRID ── */
.panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 22px;
  margin-top: 24px;
}
.panel {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--neo-out);
  animation: fadeInUp 0.5s var(--ease) both;
}
.panel-header { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.panel-num {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-dim), rgba(255,140,85,0.15));
  color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  box-shadow: var(--neo-out-sm);
  flex-shrink: 0;
}
.panel-title { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--text-1); }
.panel-desc { font-size: 12px; color: var(--text-2); margin-bottom: 18px; line-height: 1.6; }

/* ── FORM ELEMENTS ── */
.field { margin-bottom: 13px; }
.field-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.field-input, .field-textarea {
  width: 100%; padding: 9px 12px;
  background: var(--bg-card); border: none; border-radius: 10px;
  color: var(--text-1); font-family: var(--font-mono); font-size: 13px;
  box-shadow: var(--neo-inset-sm);
  transition: box-shadow var(--t);
}
.field-input::placeholder, .field-textarea::placeholder { color: var(--text-3); font-family: var(--font-sans); }
.field-input:focus, .field-textarea:focus {
  outline: none;
  box-shadow: inset 4px 4px 8px #b9bdc9, inset -4px -4px 8px #ffffff, 0 0 0 2px var(--accent);
}
.field-textarea { resize: vertical; min-height: 80px; line-height: 1.6; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 18px; border-radius: 10px;
  font-family: var(--font-sans); font-size: 13px; font-weight: 700;
  cursor: pointer; border: none;
  transition: all var(--t) var(--ease);
  box-shadow: var(--neo-out-sm);
  background: var(--bg-card); color: var(--text-2);
  width: 100%; margin-top: 4px;
}
.btn:active { box-shadow: var(--neo-inset-sm); transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff; box-shadow: var(--accent-neo);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  box-shadow: 8px 8px 20px rgba(255,107,43,0.4), -5px -5px 12px rgba(255,255,255,0.8);
  transform: translateY(-1px);
}
.btn-secondary:hover:not(:disabled) { color: var(--accent-dark); box-shadow: var(--neo-hover); }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff;
  border-radius: 50%; animation: spin 0.6s linear infinite;
  display: none;
}

/* ── RESPONSE DISPLAY ── */
.response-box {
  margin-top: 14px;
  background: var(--bg-card);
  border-radius: 12px;
  box-shadow: var(--neo-inset-sm);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-2);
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  display: none;
  animation: popIn 0.25s var(--ease) both;
}
.response-box.show { display: block; }
.response-box.status-ok    { box-shadow: var(--neo-inset-sm), 0 0 0 1px rgba(0,184,148,0.3) inset; }
.response-box.status-error { box-shadow: var(--neo-inset-sm), 0 0 0 1px rgba(231,76,60,0.3) inset; }

.response-meta {
  display: flex; align-items: center; gap: 10px;
  margin-top: 10px; font-size: 11px; color: var(--text-3);
}
.status-chip {
  font-weight: 700; padding: 2px 9px; border-radius: 999px;
  box-shadow: var(--neo-out-sm);
}
.status-chip.ok    { color: var(--success); }
.status-chip.error { color: var(--danger); }

/* ── ECHO BIN ── */
.echo-url-field {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); border-radius: 10px;
  box-shadow: var(--neo-inset-sm); padding: 9px 12px;
  margin-bottom: 10px;
}
.echo-url-text {
  flex: 1; font-family: var(--font-mono); font-size: 12px; color: var(--accent-dark);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.echo-copy-btn {
  background: transparent; border: none; color: var(--text-3); cursor: pointer;
  padding: 4px; flex-shrink: 0; transition: color var(--t);
}
.echo-copy-btn:hover { color: var(--accent); }

.echo-listening {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-3);
  padding: 8px 0;
}
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); animation: blink 1.4s ease-in-out infinite; }

.echo-delivery {
  background: var(--bg-card);
  border-radius: 10px;
  box-shadow: var(--neo-out-sm);
  padding: 12px;
  margin-top: 10px;
  animation: popIn 0.3s var(--ease) both;
}
.echo-delivery-time { font-size: 11px; color: var(--text-3); margin-bottom: 8px; }
.echo-delivery-body {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-2);
  white-space: pre-wrap; word-break: break-word; line-height: 1.6;
}

/* ── SIGNATURE VERIFIER ── */
.sig-result {
  display: none;
  align-items: center; gap: 10px;
  margin-top: 12px; padding: 12px 14px;
  border-radius: 10px; font-size: 13px; font-weight: 600;
  box-shadow: var(--neo-inset-sm);
  animation: popIn 0.3s var(--ease) both;
}
.sig-result.show { display: flex; }
.sig-result.match    { color: var(--success); }
.sig-result.mismatch { color: var(--danger); }
.sig-result svg { flex-shrink: 0; width: 18px; height: 18px; }

/* ── HEALTH PING ── */
.health-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid rgba(180,184,196,0.3);
  font-size: 13px;
}
.health-row:last-child { border-bottom: none; }
.health-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); flex-shrink: 0; }
.health-dot.up { background: var(--success); box-shadow: 0 0 6px rgba(0,184,148,0.5); }
.health-dot.down { background: var(--danger); }

/* ── UTIL ── */
.mono { font-family: var(--font-mono); }
.text-dim { color: var(--text-3); }
.hint { font-size: 11px; color: var(--text-3); margin-top: 5px; line-height: 1.5; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .panels { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .top { padding: 12px 16px; }
  .top-links { width: 100%; margin-left: 0; }
  .top-link { flex: 1; text-align: center; }
  .wrap { padding: 24px 16px 60px; }
  .field-row { grid-template-columns: 1fr; }
  .panel { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}