/* ============================================================
   GBitt.info — flashy dark theme on top of Fomantic UI
   ============================================================ */

:root,
:root[data-theme="dark"] {
  --bg-0: #050814;
  --bg-1: #0a1024;
  --bg-2: #111a3b;
  --accent: #21d4fd;
  --accent-2: #b721ff;
  --good: #21fdb3;
  --bad: #ff4f7e;
  --warn: #ffb347;
  --text: #e7ecff;
  --muted: #8a92b8;
  --panel: rgba(10,16,36,0.7);
  --panel-strong: rgba(8,12,28,0.85);
  --card-bg: linear-gradient(135deg, rgba(33,212,253,0.08), rgba(183,33,255,0.08));
  --grid: rgba(138,146,184,0.08);
  --nav-bg: rgba(8,12,28,0.85);
  --border-soft: rgba(33,212,253,0.18);
  --border-strong: rgba(33,212,253,0.4);
  --tracker-bg: rgba(10,16,36,0.85);
}

:root[data-theme="light"] {
  --bg-0: #eef2fb;
  --bg-1: #e2e8f5;
  --bg-2: #d6deec;
  --accent: #0c8ec9;
  --accent-2: #8a1ce0;
  --good: #0aa86d;
  --bad: #d9325f;
  --warn: #c97a00;
  --text: #1a1f3a;
  --muted: #5a6388;
  --panel: rgba(255,255,255,0.85);
  --panel-strong: rgba(255,255,255,0.95);
  --card-bg: linear-gradient(135deg, rgba(12,142,201,0.06), rgba(138,28,224,0.06));
  --grid: rgba(26,31,58,0.08);
  --nav-bg: rgba(255,255,255,0.9);
  --border-soft: rgba(12,142,201,0.18);
  --border-strong: rgba(12,142,201,0.4);
  --tracker-bg: rgba(255,255,255,0.95);
}

html, body {
  background: var(--bg-0);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  scroll-behavior: smooth;
}

/* ---------- layout: full-width up to 1920px, centered beyond ---------- */
/* Override Fomantic's narrow .ui.container so the site uses the full
   1920x1080 viewport, while ultra-wide screens get a centered 1920 column. */
.ui.container {
  width: auto !important;
  max-width: 1920px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 2rem;
  padding-right: 2rem;
}
@media (max-width: 1366px) {
  .ui.container { padding-left: 1.25rem; padding-right: 1.25rem; }
}
@media (max-width: 768px) {
  .ui.container { padding-left: 1rem; padding-right: 1rem; }
}

/* ---------- animated background ---------- */
.bg-gradient {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(33,212,253,0.18), transparent 50%),
    radial-gradient(ellipse at 80% 90%, rgba(183,33,255,0.22), transparent 55%),
    radial-gradient(ellipse at 50% 40%, rgba(33,253,179,0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 60%, var(--bg-0) 100%);
  animation: pulse 18s ease-in-out infinite alternate;
}
:root[data-theme="light"] .bg-gradient {
  background:
    radial-gradient(ellipse at 20% 10%, rgba(12,142,201,0.10), transparent 55%),
    radial-gradient(ellipse at 80% 90%, rgba(138,28,224,0.10), transparent 55%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 60%, var(--bg-0) 100%);
}
:root[data-theme="light"] .bg-stars { display: none; }
@keyframes pulse {
  0%   { opacity: 1; }
  100% { opacity: 0.85; }
}
.bg-stars {
  position: fixed; inset: 0; z-index: -1;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.5), transparent 50%),
    radial-gradient(1px 1px at 60% 80%, rgba(255,255,255,0.4), transparent 50%),
    radial-gradient(1.5px 1.5px at 80% 20%, rgba(255,255,255,0.6), transparent 50%),
    radial-gradient(1px 1px at 35% 65%, rgba(255,255,255,0.4), transparent 50%),
    radial-gradient(1px 1px at 90% 50%, rgba(255,255,255,0.5), transparent 50%),
    radial-gradient(1px 1px at 10% 90%, rgba(255,255,255,0.3), transparent 50%);
  background-size: 800px 800px;
  animation: drift 120s linear infinite;
  opacity: 0.6;
}
@keyframes drift {
  from { background-position: 0 0; }
  to   { background-position: 800px 800px; }
}

/* ---------- top nav ---------- */
.top-nav {
  position: sticky !important; top: 0; z-index: 100;
  background: var(--nav-bg) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft) !important;
  border-radius: 0 !important;
}
.top-nav .item { color: var(--text) !important; }
.top-nav .item:hover { color: var(--accent) !important; }
:root[data-theme="light"] .top-nav .item { color: var(--text) !important; }

.top-nav .brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800; font-size: 1.25rem;
  letter-spacing: 0.06em;
}
.brand-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  margin-right: 10px;
  flex-shrink: 0;
}
.status-text { color: var(--muted); font-size: 0.85rem; margin-left: 8px; }

/* segmented theme switch in nav */
.theme-toggle-item { padding: 0.5em 0.4em !important; }
.theme-switch {
  display: inline-flex;
  align-items: stretch;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  box-shadow: inset 0 0 0 0 transparent;
}
:root[data-theme="light"] .theme-switch {
  background: rgba(26,31,58,0.05);
}
.theme-switch button {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  width: 30px; height: 26px;
  display: inline-flex;
  align-items: center; justify-content: center;
  border-radius: 999px;
  font-size: 0.95rem;
  transition: background .2s ease, color .2s ease, transform .15s ease;
}
.theme-switch button .icon { margin: 0 !important; }
.theme-switch button:hover { color: var(--text); }
.theme-switch button.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(33,212,253,0.35);
}
.theme-switch button.active:hover { color: #ffffff; }

/* ---------- hero ---------- */
.hero {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; position: relative;
  padding: 3rem 1rem 2.5rem;
}
.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: 0.04em;
  margin: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.hero-title .glow { /* legacy hook, intentionally no effect */ }
.hero-tagline {
  color: var(--muted);
  letter-spacing: 0.2em;
  font-size: clamp(0.8rem, 1vw, 0.95rem);
  margin: 0.6rem 0 1.5rem;
}
.hero-actions .button {
  margin: 0.25rem;
  letter-spacing: 0.05em;
  font-weight: 600;
  padding: 0.85em 1.5em !important;
  font-size: 1rem !important;
}
.hero-actions .ui.primary.button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  box-shadow: 0 10px 40px rgba(33,212,253,0.35);
  border: none !important;
  color: #ffffff !important;
}
.hero-actions .ui.primary.button:hover { transform: translateY(-2px); }
.hero-actions .ui.button:not(.primary) {
  background: transparent !important;
  border: 1px solid var(--border-strong) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}
.hero-actions .ui.button:not(.primary):hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}
.scroll-hint { display: none; }

/* ---------- sections ---------- */
.section { padding: 5rem 0; position: relative; }
.section.alt { background: linear-gradient(180deg, transparent, rgba(17,26,59,0.4) 50%, transparent); }
:root[data-theme="light"] .section.alt {
  background: linear-gradient(180deg, transparent, rgba(12,142,201,0.05) 50%, transparent);
}
.section-heading {
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  color: var(--text) !important;
  font-size: 1.8rem;
  margin-bottom: 2rem !important;
  letter-spacing: 0.05em;
}
.section-heading .sub.header {
  color: var(--muted) !important;
  font-family: 'Inter', sans-serif;
  font-weight: 300; font-size: 0.85rem;
  margin-top: 0.4rem;
  letter-spacing: 0.02em;
}

/* ---------- stat cards ---------- */
.stat-cards { margin-bottom: 3rem !important; }
.stat-card.ui.card {
  background: var(--card-bg) !important;
  border: 1px solid var(--border-soft) !important;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4) !important;
  border-radius: 16px !important;
  transition: transform .25s ease, box-shadow .25s ease;
  color: var(--text) !important;
}
:root[data-theme="light"] .stat-card.ui.card {
  box-shadow: 0 8px 30px rgba(26,31,58,0.10) !important;
}
:root[data-theme="light"] .stat-card .header { color: var(--text) !important; opacity: 0.7; }
:root[data-theme="light"] .stat-card .meta { color: var(--muted) !important; }
.stat-card.ui.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 60px rgba(33,212,253,0.25) !important;
}
.stat-card .content {
  background: transparent !important;
  border: none !important;
}
.stat-card .header {
  color: var(--muted) !important;
  font-family: 'Inter', sans-serif;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.stat-value {
  font-family: 'Orbitron', sans-serif;
  font-weight: 800;
  /* Sized to fit "XXX,XXX,XXX,XXX" (15 chars) inside one card column
     across each responsive breakpoint without wrapping. */
  font-size: 2.4rem;
  line-height: 1.25;
  margin: 0.6rem 0 0.2rem;
  padding-top: 0.15em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
}

/* ---------- responsive tile breakpoints ----------
   4-up requires a wide screen — drop to 2-up below 1400px, 1-up below 720px. */
@media (max-width: 1400px) {
  .stat-cards.ui.four.cards > .card { width: calc(50% - 1.5em) !important; }
  .stat-value { font-size: 1.8rem; }
}
@media (max-width: 720px) {
  .stat-cards.ui.four.cards > .card { width: 100% !important; }
  .stat-value { font-size: 2.4rem; }
}

.stat-card.torrents  { border-color: rgba(33,212,253,0.35) !important; }
.stat-card.completed { border-color: rgba(33,253,179,0.35) !important; }
.stat-card.seeders   { border-color: rgba(183,33,255,0.35) !important; }
.stat-card.leechers  { border-color: rgba(255,79,126,0.35) !important; }

/* ---------- chart range switcher ---------- */
.range-switch {
  display: inline-flex;
  align-items: stretch;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
  margin-bottom: 1rem;
}
:root[data-theme="light"] .range-switch { background: rgba(26,31,58,0.05); }
.range-switch button {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  padding: 0.45rem 1.1rem;
  font: 600 0.85rem 'Inter', sans-serif;
  letter-spacing: 0.04em;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.range-switch button:hover { color: var(--text); }
.range-switch button.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(33,212,253,0.30);
}

/* ---------- charts ---------- */
.chart-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1rem;
}
.chart-segment.ui.segment {
  background: var(--panel) !important;
  border: 1px solid var(--border-soft) !important;
  border-radius: 16px !important;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  margin: 0 !important;
  color: var(--text) !important;
}
:root[data-theme="light"] .chart-segment.ui.segment {
  box-shadow: 0 8px 30px rgba(26,31,58,0.08);
}
.chart-segment.ui.segment .chart-title { color: var(--text) !important; }
.chart-title {
  color: var(--text);
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  margin-top: 0;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}
.chart-title small { color: var(--muted); font-weight: 400; letter-spacing: 0; }
.chart-wrap {
  position: relative;
  height: 380px;
  margin-top: 1rem;
}

/* ---------- about ---------- */
.about-segment.ui.segment {
  background: var(--panel) !important;
  border: 1px solid var(--border-soft) !important;
  border-radius: 16px !important;
  line-height: 1.7;
  font-size: 1.02rem;
  color: var(--text) !important;
}
.about-segment a { color: var(--accent); }

/* ---------- tracker URL ---------- */
.tracker-url-wrap {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.tracker-url {
  flex: 1;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 1.1rem;
  padding: 1rem 1.25rem;
  background: var(--tracker-bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  color: var(--accent);
  user-select: all;
  word-break: break-all;
  min-width: 0;
}
.muted { color: var(--muted); }
.muted.small { font-size: 0.85rem; margin-top: 0.5rem; }

/* ---------- footer ---------- */
.footer {
  padding: 3rem 0 4rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-soft);
  margin-top: 2rem;
}
.footer a { color: var(--accent); }
.footer .copyright {
  margin-top: 0.5rem;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  opacity: 0.8;
}

/* ---------- status indicator ---------- */
.ui.empty.circular.label.status-good { background-color: var(--good) !important; box-shadow: 0 0 12px var(--good); }
.ui.empty.circular.label.status-warn { background-color: var(--warn) !important; box-shadow: 0 0 12px var(--warn); }
.ui.empty.circular.label.status-bad  { background-color: var(--bad)  !important; box-shadow: 0 0 12px var(--bad);  }

/* contact button reuses hero primary look */
#contact .ui.button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  border: none !important;
  color: #ffffff !important;
  box-shadow: 0 10px 40px rgba(33,212,253,0.30) !important;
}
#contact .ui.button:hover { transform: translateY(-2px); }

/* ---------- responsive tweaks ---------- */
@media (max-width: 768px) {
  .hero { padding: 2rem 1rem 1.5rem; }
  .section { padding: 3rem 0; }
  .chart-wrap { height: 260px; }
}