/* cron.id Speed Test */

:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: rgba(22, 22, 34, 0.72);
  --bg-card-solid: #161622;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f2f2f7;
  --text-muted: #8b8b9e;
  --text-dim: #5c5c72;
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --accent-3: #34d399;
  --danger: #f87171;
  --warn: #fbbf24;
  --download: #22d3ee;
  --upload: #a78bfa;
  --ping: #34d399;
  --jitter: #fbbf24;
  --glow-cyan: rgba(34, 211, 238, 0.35);
  --glow-violet: rgba(167, 139, 250, 0.3);
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --gauge-size: min(380px, 88vw);
}

[data-theme="light"] {
  --bg: #f4f5fb;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.78);
  --bg-card-solid: #ffffff;
  --border: rgba(15, 15, 30, 0.08);
  --border-strong: rgba(15, 15, 30, 0.14);
  --text: #0f0f1a;
  --text-muted: #5a5a72;
  --text-dim: #8a8aa0;
  --glow-cyan: rgba(6, 182, 212, 0.22);
  --glow-violet: rgba(124, 58, 237, 0.18);
  --shadow: 0 8px 32px rgba(15, 15, 40, 0.1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background ambience */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}
.bg-glow-1 {
  width: 520px;
  height: 520px;
  top: -160px;
  left: -120px;
  background: radial-gradient(circle, var(--glow-cyan), transparent 70%);
}
.bg-glow-2 {
  width: 480px;
  height: 480px;
  bottom: -140px;
  right: -100px;
  background: radial-gradient(circle, var(--glow-violet), transparent 70%);
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  opacity: 0.5;
}
[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

.app {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 20px 48px;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: contain;
  object-position: center;
  padding: 4px;
  box-shadow: 0 0 0 1px var(--border), 0 0 28px var(--glow-cyan);
  background: rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  backdrop-filter: blur(12px);
  transition: color 0.2s, border-color 0.2s, transform 0.15s;
}
.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }

/* Main / Hero */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 28px;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 18px;
  padding: 12px 0 8px;
}

.hero-tag {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  min-height: 1.5em;
  transition: color 0.3s;
}
.hero-tag.is-active {
  color: var(--accent);
}

/* Gauge */
.gauge-wrap {
  position: relative;
  width: var(--gauge-size);
  height: var(--gauge-size);
  margin: 0 auto;
}

#speedometer {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 0 24px var(--glow-cyan));
}

.gauge-readout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: -8px;
  margin-bottom: 8px;
  min-height: 5.5rem;
}

.gauge-value {
  font-size: clamp(2.6rem, 9vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(180deg, #fff 20%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
  transition: opacity 0.2s;
}
[data-theme="light"] .gauge-value {
  background: linear-gradient(180deg, #0f172a 10%, #0891b2);
  -webkit-background-clip: text;
  background-clip: text;
}

.gauge-unit {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.06em;
  }

.gauge-label {
  margin-top: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

/* Progress */
.progress-bar {
  width: min(320px, 80vw);
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
[data-theme="light"] .progress-bar {
  background: rgba(0, 0, 0, 0.08);
}
.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--glow-cyan);
  transition: width 0.25s ease;
}
.progress-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Start button */
.btn-start {
  position: relative;
  margin-top: 8px;
  padding: 16px 48px;
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #061018;
  cursor: pointer;
  background: linear-gradient(135deg, #67e8f9 0%, #22d3ee 40%, #a78bfa 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.15) inset,
    0 8px 32px var(--glow-cyan),
    0 4px 16px var(--glow-violet);
  transition: transform 0.18s, box-shadow 0.18s, filter 0.18s;
  overflow: hidden;
}
.btn-start:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.2) inset,
    0 12px 40px var(--glow-cyan),
    0 6px 20px var(--glow-violet);
}
.btn-start:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}
.btn-start:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.2);
}
.btn-start.is-running {
  background: linear-gradient(135deg, #334155, #1e293b);
  color: var(--text-muted);
  box-shadow: none;
}
.btn-glow {
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 0deg, transparent, rgba(255,255,255,0.35), transparent 30%);
  animation: spin-glow 3s linear infinite;
  opacity: 0.4;
  pointer-events: none;
}
.btn-start.is-running .btn-glow { display: none; }
.btn-label { position: relative; z-index: 1; }

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

/* Metric cards */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 16px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  transition: border-color 0.25s, transform 0.2s;
}
.metric-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.metric-card.is-live {
  border-color: color-mix(in srgb, var(--card-accent, var(--accent)) 45%, transparent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--card-accent, var(--accent)) 18%, transparent);
}
.metric-card[data-metric="download"] { --card-accent: var(--download); }
.metric-card[data-metric="upload"] { --card-accent: var(--upload); }
.metric-card[data-metric="ping"] { --card-accent: var(--ping); }
.metric-card[data-metric="jitter"] { --card-accent: var(--jitter); }

.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.metric-icon.download {
  color: var(--download);
  background: rgba(34, 211, 238, 0.12);
}
.metric-icon.upload {
  color: var(--upload);
  background: rgba(167, 139, 250, 0.12);
}
.metric-icon.ping {
  color: var(--ping);
  background: rgba(52, 211, 153, 0.12);
}
.metric-icon.jitter {
  color: var(--jitter);
  background: rgba(251, 191, 36, 0.12);
}

.metric-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.metric-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.metric-value {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 5px;
  line-height: 1.2;
}
.metric-unit {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* Info row */
.info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.info-card {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.glass {
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.info-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.info-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.footer {
  margin-top: 36px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.footer strong {
  color: var(--text-muted);
  font-weight: 700;
}



/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.hero-tag:empty { display: none; }

/* Result popup */
.result-modal[hidden] { display: none !important; }
.result-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.result-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(8px);
}
.result-modal-card {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  background: linear-gradient(160deg, #161622 0%, #0e0e16 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 32px 28px 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.55), 0 0 60px rgba(34,211,238,0.12);
  text-align: center;
  animation: modalIn 0.28s ease-out;
}
[data-theme="light"] .result-modal-card {
  background: linear-gradient(160deg, #fff 0%, #f4f5fb 100%);
  box-shadow: 0 24px 80px rgba(15,15,40,0.18);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
.result-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}
.result-modal-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 16px;
  margin-bottom: 12px;
}
.result-modal-card h2 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}
.result-modal-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 22px;
}
.result-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}
.result-pill {
  border-radius: 16px;
  padding: 16px 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  text-align: left;
}
.result-pill-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.result-pill-value {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.result-pill-value small {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
}
.result-pill-dl .result-pill-value { color: #22d3ee; }
.result-pill-ul .result-pill-value { color: #a78bfa; }
.result-pill-ping .result-pill-value { color: #34d399; }
.result-pill-jitter .result-pill-value { color: #fbbf24; }
.result-modal-quality {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.result-modal-quality strong { color: var(--text); }
.result-modal-btn {
  width: 100%;
  max-width: none;
}
@media (max-width: 420px) {
  .result-modal-grid { grid-template-columns: 1fr; }
  .result-pill-value { font-size: 1.4rem; }
}

.btn-start, .theme-toggle, .result-modal-close, .result-modal-btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Mobile */
@media (max-width: 780px) {
  .app { padding: 16px 16px 40px; padding-bottom: max(40px, env(safe-area-inset-bottom)); }
  .metrics { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .info-row { grid-template-columns: 1fr; gap: 10px; }
  .result-modal-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  :root { --gauge-size: min(300px, 86vw); }
  .app { padding: 12px 12px max(36px, env(safe-area-inset-bottom)); }
  .header { margin-bottom: 8px; }
  .brand-logo { width: 40px; height: 40px; border-radius: 12px; }
  .brand-name { font-size: 1rem; }
  .brand-sub { font-size: 0.65rem; }
  .gauge-value { font-size: clamp(2rem, 11vw, 2.8rem); }
  .gauge-readout { min-height: 4.4rem; margin-top: 0; margin-bottom: 6px; }
  .metric-card { padding: 12px 10px; gap: 8px; }
  .metric-value { font-size: 1.1rem; }
  .metric-icon { width: 36px; height: 36px; }
  .metric-icon svg { width: 18px; height: 18px; }
  .btn-start {
    width: 100%;
    max-width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    min-height: 52px;
  }
  .info-card { padding: 12px 14px; }
  .result-modal { padding: 12px; align-items: flex-end; }
  .result-modal-card {
    width: 100%;
    max-height: min(92dvh, 920px);
    overflow-y: auto;
    padding: 24px 18px 20px;
    border-radius: 20px 20px 16px 16px;
    -webkit-overflow-scrolling: touch;
  }
  .result-modal-card h2 { font-size: 1.25rem; }
  .result-pill-value { font-size: 1.35rem; }
  .result-modal-btn { min-height: 52px; }
  .result-modal-close { width: 44px; height: 44px; }
  .footer { font-size: 0.75rem; margin-top: 24px; }
}

@media (max-width: 360px) {
  :root { --gauge-size: min(260px, 90vw); }
  .metrics { gap: 8px; }
  .metric-name { font-size: 0.68rem; }
}