/* ============================================
   IPTV Sleuth — HUD Design System
   Adapted from db-login design
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg: #020408;
  --surface: #060d14;
  --surface2: #0a1520;
  --border: #0e2235;
  --border-bright: #123048;
  --accent: #20E7E1;
  --accent-dim: rgba(32,231,225,0.08);
  --accent-glow: rgba(32,231,225,0.3);
  --accent2: #0a6ebd;
  --text: #cde8f0;
  --text-muted: #3a6070;
  --text-dim: #567a8a;
  --red: #ff3355;
  --mono: 'Share Tech Mono', monospace;
  --display: 'Orbitron', sans-serif;
}

/* --- Base --- */
body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(32,231,225,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(10,110,189,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 30% 30% at 10% 90%, rgba(32,231,225,0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 1;
  animation: scanMove 8s linear infinite;
}
main { flex: 1; position: relative; z-index: 2; }

/* --- Brand --- */
.brand, .brand-text-sm {
  font-family: var(--display);
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow), 0 0 30px rgba(32,231,225,0.2);
}
.brand-text-sm { font-size: 0.9rem; }

/* --- Text Helpers --- */
.text-cyan  { color: var(--accent) !important; }
.bg-cyan    { background-color: var(--accent) !important; }
.border-cyan-dim { border-color: var(--accent-dim) !important; }

/* --- HUD Chrome --- */
.hud-top {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 18px;
  background: linear-gradient(90deg, transparent 5%, rgba(32,231,225,0.04) 50%, transparent 95%);
  border-bottom: 1px solid rgba(32,231,225,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}
.hud-top-text {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.4em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.corner {
  position: fixed;
  width: 44px;
  height: 44px;
  z-index: 3;
}
.corner::before, .corner::after {
  content: '';
  position: absolute;
  background: var(--accent);
  opacity: 0.7;
}
.corner::before { width: 1px; height: 100%; }
.corner::after  { width: 100%; height: 1px; }
.corner.tl { top: 20px; left: 20px; }
.corner.tr { top: 20px; right: 20px; transform: scaleX(-1); }
.corner.bl { bottom: 52px; left: 20px; transform: scaleY(-1); }
.corner.br { bottom: 52px; right: 20px; transform: scale(-1); }
.corner-dot {
  position: fixed;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  z-index: 3;
  box-shadow: 0 0 6px var(--accent);
}
.corner-dot.tl { top: 19px; left: 19px; }
.corner-dot.tr { top: 19px; right: 19px; }
.corner-dot.bl { bottom: 51px; left: 19px; }
.corner-dot.br { bottom: 51px; right: 19px; }
.sys-tag {
  position: fixed;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: var(--text-muted);
  text-transform: uppercase;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}
.sys-tag::before, .sys-tag::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
  opacity: 0.4;
}
.sys-tag::after { transform: scaleX(-1); }
.blink {
  display: inline-block;
  width: 6px; height: 10px;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  opacity: 0.8;
}
.status-dot {
  position: fixed;
  bottom: 36px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  z-index: 3;
}
.dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

/* --- Navigation (Bootstrap override) --- */
.navbar {
  background-color: var(--surface) !important;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 4;
}
.navbar .nav-link {
  color: var(--text-dim);
  transition: color 0.2s;
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--accent);
}

/* --- Glass Card --- */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-radius: 2px;
  position: relative;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  animation: scanLine 3s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

/* --- Modal --- styled without glass-card to avoid Bootstrap conflicts */
.modal-hud {
  background: rgba(6,13,20,0.97);
  border: 1px solid var(--border-bright);
  border-radius: 2px;
  color: var(--text);
}

/* --- Stat Card --- */
.stat-card {
  transition: transform 0.2s, border-color 0.2s;
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-glow);
}
.stat-number {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  animation: glowPulse 3s ease-in-out infinite;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.25rem;
}

/* --- Stat Block (db-login style) --- */
.stat-block {
  margin-bottom: 10px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
  overflow: hidden;
}
.stat-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.4;
}
.stat-block::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 30%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
  opacity: 0.2;
}

/* --- Hero --- */
.hero {
  padding: 3rem 0 1rem;
  text-align: center;
}
.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
}

/* --- Tabs --- */
.nav-tabs-cyber {
  border-bottom: 1px solid var(--border);
}
.nav-tabs-cyber .nav-link {
  color: var(--text-dim);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.2s;
}
.nav-tabs-cyber .nav-link:hover {
  color: var(--accent);
  border-bottom-color: rgba(32,231,225,0.3);
}
.nav-tabs-cyber .nav-link.active {
  color: var(--accent);
  background: transparent;
  border-bottom: 2px solid var(--accent);
}

/* --- Buttons --- */
.btn-primary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: color 0.25s, box-shadow 0.25s;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1);
  z-index: 0;
}
.btn-primary:hover {
  color: var(--bg);
  background: transparent;
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow), inset 0 0 20px rgba(32,231,225,0.1);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:active { opacity: 0.85; }
.btn-primary > * { position: relative; z-index: 1; }
.btn-primary > i,
.btn-primary > span { position: relative; z-index: 1; }
.btn-outline-cyan {
  color: var(--accent);
  border-color: rgba(32,231,225,0.3);
  font-family: var(--mono);
  letter-spacing: 0.1em;
}
.btn-outline-cyan:hover {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}

/* --- Forms (Bootstrap override) --- */
.form-control, .form-select {
  background: rgba(2,4,8,0.8);
  border: 1px solid var(--border);
  border-left: 2px solid var(--border-bright);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}
.form-control:focus, .form-select:focus {
  background: rgba(32,231,225,0.02);
  border-color: var(--accent);
  border-left-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 0 1px rgba(32,231,225,0.1), inset 0 0 20px rgba(32,231,225,0.02);
}
.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.4;
}
.input-group-text {
  background-color: var(--surface);
  border-color: var(--border);
  color: var(--accent);
}
.form-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* --- Tables (Bootstrap override) --- */
.table-dark {
  --bs-table-bg: transparent;
  --bs-table-hover-bg: var(--accent-dim);
  border-color: var(--border);
}
.table-dark thead th {
  color: var(--accent);
  border-bottom-color: rgba(32,231,225,0.2);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--mono);
}

/* --- Match Card --- */
.match-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}
.match-card:hover {
  border-color: var(--border-bright);
}
.match-card .match-name {
  font-weight: 600;
  color: var(--text);
}
.match-card .match-price {
  font-family: var(--display);
  color: var(--accent);
}

/* --- Similarity Badge --- */
.sim-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  font-size: 0.8rem;
  font-weight: 600;
}
.sim-badge-green  { background: rgba(16,185,129,0.2); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.sim-badge-yellow { background: rgba(245,158,11,0.2); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); }
.sim-badge-red    { background: rgba(239,68,68,0.2);  color: #ef4444; border: 1px solid rgba(239,68,68,0.3); }

/* --- Similarity Bar --- */
.similarity-bar {
  height: 8px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.similarity-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  box-shadow: 0 0 8px var(--accent-glow);
  transition: width 0.6s ease-out;
}

/* --- Group Card --- */
.group-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1.25rem;
  transition: transform 0.2s, border-color 0.2s;
}
.group-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-bright);
}
.group-label {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}
.group-cheapest {
  font-family: var(--display);
  color: #10b981;
  font-weight: 700;
}

/* (modal styles consolidated under .modal-hud above) */

/* --- Price Diff --- */
.price-cheaper { color: #10b981; }
.price-more    { color: var(--red); }

/* --- Results Header --- */
.results-header {
  font-family: var(--display);
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

/* --- Signal Breakdown --- */
.signal-breakdown {
  border: 1px solid var(--border);
  background: rgba(2,4,8,0.5);
  padding: 10px 12px;
}
.signal-row {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.signal-row:last-child {
  border-bottom: none;
}

/* --- Spinner --- */
.spinner-border.text-cyan {
  color: var(--accent) !important;
}

/* --- Alerts --- */
.alert-match {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: #10b981;
  border-radius: 2px;
}
.alert-no-match {
  background: var(--accent-dim);
  border: 1px solid rgba(32,231,225,0.15);
  color: var(--text-dim);
  border-radius: 2px;
}

/* --- Footer --- */
.footer-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 10px 40px;
  background: linear-gradient(to top, rgba(2,4,8,0.98) 60%, transparent);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.privacy-note {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.discord-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(32,231,225,0.3);
  padding: 6px 14px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: color 0.25s, border-color 0.25s;
  flex-shrink: 0;
}
.discord-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-101%);
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.discord-btn svg, .discord-btn span { position: relative; z-index: 1; }
.discord-btn:hover {
  color: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}
.discord-btn:hover::before { transform: translateX(0); }

/* --- Animations --- */
@keyframes scanLine {
  0%   { opacity: 0; transform: scaleX(0); transform-origin: left; }
  30%  { opacity: 1; transform: scaleX(1); transform-origin: left; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes scanMove {
  0%   { background-position: 0 0; }
  100% { background-position: 0 100px; }
}
@keyframes blink {
  0%, 100% { opacity: 0.8; }
  50%      { opacity: 0; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent); }
  50%      { opacity: 0.4; box-shadow: 0 0 2px var(--accent); }
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes glowPulse {
  0%, 100% { text-shadow: 0 0 8px rgba(32,231,225,0.4); }
  50%      { text-shadow: 0 0 20px rgba(32,231,225,0.8), 0 0 40px rgba(32,231,225,0.3); }
}

/* --- Admin Master-Detail Layout --- */
.admin-provider-list {
  max-height: calc(100vh - 340px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-bright) transparent;
}
.admin-provider-list::-webkit-scrollbar {
  width: 5px;
}
.admin-provider-list::-webkit-scrollbar-track {
  background: transparent;
}
.admin-provider-list::-webkit-scrollbar-thumb {
  background: var(--border-bright);
  border-radius: 2px;
}
.admin-provider-list::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dim);
}
.admin-provider-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  padding: 10px 12px;
  margin-bottom: 4px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.15s;
}
.admin-provider-card:hover {
  border-color: var(--border-bright);
  border-left-color: var(--accent-dim);
  background: var(--surface2);
}
.admin-provider-card.active {
  border-left-color: var(--accent);
  background: var(--surface2);
  border-color: var(--border-bright);
}
.provider-card-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.provider-card-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  border-color: var(--border-bright);
  color: var(--text);
}
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.admin-detail-panel {
  min-height: calc(100vh - 340px);
}
.admin-tab-bar {
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0;
  overflow-x: auto;
}
.admin-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.admin-tab-btn:hover {
  color: var(--accent);
  border-bottom-color: rgba(32,231,225,0.3);
}
.admin-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.fp-signal-tag {
  display: inline-block;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  font-family: var(--mono);
}
.fp-signal-tag.present {
  background: rgba(16,185,129,0.15);
  color: #10b981;
  border: 1px solid rgba(16,185,129,0.3);
}
.fp-signal-tag.missing {
  background: rgba(255,51,85,0.08);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.coverage-bar {
  height: 6px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.coverage-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 2px;
  transition: width 0.4s ease-out;
}
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.info-item {
  padding: 8px 10px;
  background: rgba(2,4,8,0.5);
  border: 1px solid var(--border);
}
.info-item-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}
.info-item-value {
  font-size: 0.85rem;
  color: var(--text);
  word-break: break-all;
}
.admin-badge {
  display: inline-block;
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  font-family: var(--mono);
  text-transform: uppercase;
}

/* --- Responsive --- */
@media (max-width: 1100px) {
  .corner, .corner-dot, .sys-tag, .status-dot, .hud-top { display: none; }
}
@media (max-width: 575.98px) {
  .hero-title { font-size: 1.8rem; }
  .stat-number { font-size: 1.4rem; }
  .stat-label { font-size: 0.7rem; }
}
@media (max-width: 767.98px) {
  .hero { padding: 2rem 0 0.5rem; }
}
@media (max-width: 991.98px) {
  .admin-provider-list {
    max-height: 300px;
  }
  .admin-detail-panel {
    min-height: auto;
  }
  .info-grid {
    grid-template-columns: 1fr;
  }
}