@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap");

:root {
  --bg: #03040a;
  --surface: rgba(10, 12, 20, 0.8);
  --border: rgba(255, 255, 255, 0.1);
  --accent: #43d5ff;
  --accent-strong: #fcd34d;
  --muted: rgba(170, 180, 200, 0.8);
  --glass: rgba(255, 255, 255, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, sans-serif;
  min-height: 100vh;
  background: radial-gradient(circle at 120% 20%, rgba(0, 0, 0, 0.7), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(20, 120, 230, 0.25), transparent 35%),
    linear-gradient(180deg, #0b0f1c, #020409);
  color: #f6f7ff;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(130deg, rgba(252, 211, 77, 0.08) 0 1px, transparent 1px 48px);
  opacity: 0.5;
  pointer-events: none;
  animation: drift 18s linear infinite;
}

@keyframes drift {
  from { transform: translateY(0); }
  to { transform: translateY(-200px); }
}

main,
header,
#filters {
  max-width: 1100px;
  margin: 0 auto;
}

header {
  padding: 1.6rem 1.5rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.3);
  position: sticky;
  top: 0;
  background: #01030a;
  color: #e6f4ff;
  backdrop-filter: blur(36px);
  box-shadow: 0 50px 90px rgba(0, 0, 0, 0.95);
  z-index: 2;
  overflow: hidden;
}
header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% -20%, rgba(66, 210, 255, 0.2), transparent 50%),
    radial-gradient(circle at 80% 120%, rgba(0, 255, 190, 0.25), transparent 40%),
    linear-gradient(140deg, rgba(5, 10, 20, 0.95), rgba(0, 0, 0, 0.95));
  mix-blend-mode: screen;
  opacity: 0.95;
}
header::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(10, 40, 90, 0.6), rgba(0, 0, 0, 0));
  filter: blur(28px);
  opacity: 0.7;
  z-index: -1;
}
+header .header-content {
+  display: flex;
+  justify-content: space-between;
+  align-items: flex-end;
+  gap: 1rem;
+}
+
+.theme-switch {
+  display: flex;
+  gap: 0.5rem;
+}
+
+.theme-switch button {
+  background: rgba(255, 255, 255, 0.05);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  color: #d4fbff;
+  border-radius: 999px;
+  font-size: 0.78rem;
+  padding: 0.25rem 0.9rem;
+  cursor: pointer;
+  letter-spacing: 0.06em;
+}
+
+.theme-switch button.active {
+  border-color: rgba(67, 213, 255, 0.8);
+  background: rgba(67, 213, 255, 0.18);
+}
header::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 8px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(38, 180, 255, 0.4), rgba(0, 0, 0, 0));
  mix-blend-mode: screen;
}

header h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.7rem);
}

header p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

#filters {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
}

.search-wrap {
  padding: 0 1.5rem 1rem;
  max-width: 920px;
  margin: 0 auto 0;
}

#search-input {
  width: 100%;
  background: var(--surface);
  color: #f4f7ff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
  font-size: 1rem;
  backdrop-filter: blur(18px);
}

#search-input:focus {
  outline: 2px solid rgba(67, 213, 255, 0.6);
  border-color: transparent;
  box-shadow: 0 0 0 2px rgba(67, 213, 255, 0.25);
}

.filter-btn {
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 0.45rem 1.2rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  cursor: pointer;
  text-transform: capitalize;
  transition: border-color 150ms ease, color 150ms ease, background 150ms ease;
}

.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(67, 213, 255, 0.15);
}

#project-grid {
  padding: 0 1.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.search-wrap {
  padding: 0 1.5rem 1rem;
}

body.theme-alt #project-grid {
  gap: 1rem;
}

body.theme-alt .project-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(12, 18, 34, 0.9));
  border-color: rgba(255, 255, 255, 0.08);
}

.project-card {
  position: relative;
  border-radius: 18px;
  padding: 1.4rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(5, 7, 15, 0.9));
  border: 1px solid transparent;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: transform 150ms ease;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(67, 213, 255, 0.4), rgba(252, 211, 77, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 200ms ease;
}

.project-card:hover::before {
  opacity: 1;
}

.project-card:hover {
  transform: translateY(-8px);
}

.project-card h3 {
  margin: 0.3rem 0 0;
  font-size: 1.35rem;
}

.project-card p {
  color: rgba(255, 255, 255, 0.75);
  margin: 0.6rem 0 0.5rem;
}

.status-pill {
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  color: var(--muted);
}

.status-running { color: #6ef5a4; border-color: #6ef5a4; }
.status-planning { color: #fcd34d; border-color: #fcd34d; }
.status-paused { color: #aab4c8; border-color: #aab4c8; }

.owners {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}

.owner-chip {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
}

.tag-chip {
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  background: rgba(67, 213, 255, 0.1);
  border: 1px solid rgba(67, 213, 255, 0.3);
  font-size: 0.78rem;
}

.project-card button {
  margin-top: 1rem;
  border: none;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  background: rgba(67, 213, 255, 0.12);
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease;
}

.project-card button:hover {
  background: rgba(67, 213, 255, 0.25);
}

.detail-panel {
  position: fixed;
  inset: 0;
  background: rgba(3, 4, 10, 0.92);
  backdrop-filter: blur(20px);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity 200ms ease;
  z-index: 5;
}

.detail-panel.visible {
  visibility: visible;
  opacity: 1;
}

.detail-panel .card {
  width: min(770px, 100%);
  max-height: min(90vh, 820px);
  background: rgba(15, 18, 27, 0.95);
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 2rem;
  display: grid;
  gap: 1rem;
  position: relative;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.6);
  overflow-y: auto;
}

body.theme-alt .detail-panel .card {
  background: rgba(20, 24, 36, 0.98);
  border-color: rgba(255, 255, 255, 0.08);
}

.detail-panel {
  padding: 2rem 1rem;
}

.detail-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
}

.detail-row div {
  border-radius: 12px;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
}

.detail-panel h2 {
  margin: 0;
  font-size: 1.8rem;
}

.detail-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.link-list li a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border 150ms ease;
}

.link-list li a:hover {
  border-color: var(--accent);
}

.tele-button {
  align-self: flex-start;
  margin-top: 0.5rem;
  background: linear-gradient(135deg, rgba(10, 24, 54, 0.9), rgba(15, 60, 80, 0.85));
  color: #d4fbff;
  border-radius: 14px;
  border: 1px solid rgba(67, 213, 255, 0.5);
  padding: 0.55rem 1.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, border 150ms ease;
  position: relative;
  overflow: hidden;
}

.tele-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 214, 0.35);
  border-color: rgba(30, 255, 210, 0.9);
}

.tele-button::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(30, 255, 210, 0.25), transparent 50%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.tele-button:hover::after {
  opacity: 1;
}

.tele-icon-wrap {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(30, 255, 210, 0.9), rgba(3, 8, 18, 0.5));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 12px rgba(30, 255, 210, 0.7);
}

.tele-icon {
  width: 18px;
  height: 18px;
  fill: #fff;
  filter: drop-shadow(0 0 6px rgba(30, 255, 210, 0.9));
}

.tele-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.close-btn {
  color: var(--muted);
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: none;
  background: rgba(255, 255, 255, 0.04);
  width: 38px;
  height: 38px;
  border-radius: 999px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* --- Auth overlay (non-blocking mock for now) --- */
#auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.auth-card {
  width: min(520px, calc(100vw - 32px));
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 14, 22, 0.92);
  padding: 22px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.55);
}

.auth-title {
  font-size: 26px;
  font-weight: 700;
}

.auth-subtitle {
  margin-top: 4px;
  color: var(--muted);
}

.auth-body {
  margin-top: 14px;
}

.auth-note {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 12px;
}

.auth-label {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 6px;
}

.auth-input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: white;
  padding: 12px 12px;
  outline: none;
}

.auth-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.auth-btn {
  flex: 1;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(26, 115, 232, 0.9);
  color: white;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 600;
}

.auth-btn.secondary {
  background: rgba(255,255,255,0.06);
}

.auth-error {
  margin-top: 10px;
  color: #ff7a7a;
  font-size: 0.92rem;
}

.link-item {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 0.25rem 0;
}

.local-path {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.15rem 0.35rem;
  border-radius: 6px;
  font-size: 0.85rem;
}

.copy-btn {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: inherit;
  border-radius: 8px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.10);
}

@media (max-width: 768px) {
  header,
  #filters,
  #search-input,
  #project-grid,
  .search-wrap {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  header {
    padding-bottom: 0.8rem;
  }

  .detail-panel {
    padding: 1.2rem;
  }

  #project-grid {
    grid-template-columns: 1fr;
  }
}