:root {
  --gold-dark: #d4af37;
  --gold: #ffd700;
  --gold-soft: #ffe57a;
  --black: #000000;
  --charcoal: #0f0f0f;
  --card: rgba(255, 255, 255, 0.04);
  --muted: #cfcfcf;
  --white: #f9f9f9;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --transition: all 240ms ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at 25% 20%, rgba(255, 215, 0, 0.12), transparent 32%),
    radial-gradient(circle at 80% 0%, rgba(255, 215, 0, 0.16), transparent 30%),
    linear-gradient(145deg, #000000 0%, #0a0a0a 40%, #1a1200 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.05) 0 25%,
    transparent 25% 50%,
    rgba(255, 215, 0, 0.05) 50% 75%,
    transparent 75% 100%
  );
  background-size: 220px 220px;
  opacity: 0.35;
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  width: min(1200px, 94vw);
  margin: 0 auto;
  padding: 56px 0 96px;
  position: relative;
  z-index: 1;
}

header {
  margin-bottom: 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  color: var(--gold-soft);
  border-radius: 999px;
  letter-spacing: 0.5px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.nav-link {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.4);
  font-size: 13px;
  color: var(--muted);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  border-color: rgba(255, 215, 0, 0.7);
  color: var(--gold);
  background: rgba(255, 215, 0, 0.06);
}

.hero {
  text-align: center;
  margin-bottom: 36px;
}

h1 {
  margin: 18px 0 10px;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.5px;
  color: var(--gold);
}

.sub {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.header-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(255, 215, 0, 0.45);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.55);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255, 215, 0, 0.12), transparent 45%);
  opacity: 0;
  transition: var(--transition);
}

.card:hover::after {
  opacity: 1;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.card-title .icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 215, 0, 0.05));
  border: 1px solid rgba(255, 215, 0, 0.25);
  color: var(--gold);
  font-size: 18px;
}

.card-body {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.chip {
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  font-weight: 600;
  color: var(--white);
  font-size: 12px;
  transition: var(--transition);
}

.chip:hover {
  border-color: rgba(255, 215, 0, 0.7);
  color: var(--gold);
}

.chip a,
a.chip {
  color: inherit;
  text-decoration: none;
  display: inline-block;
}

.chip a:hover,
a.chip:hover {
  color: var(--gold);
}

section {
  margin: 40px 0;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(26px, 3.5vw, 34px);
  color: var(--white);
  letter-spacing: -0.3px;
}

.divider {
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 999px;
  opacity: 0.8;
}

.about {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(255, 215, 0, 0.4);
}

.thumb {
  position: relative;
  padding-top: 56.25%;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.28), rgba(255, 215, 0, 0.12));
}

.thumb iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-body {
  padding: 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.channel-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.25), rgba(255, 255, 255, 0.08));
  border: 2px solid rgba(255, 215, 0, 0.5);
  display: grid;
  place-items: center;
  color: var(--gold);
  font-weight: 700;
  overflow: hidden;
}

.video-meta h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--white);
}

.video-meta .channel {
  color: var(--muted);
  font-size: 13px;
  display: flex;
  gap: 8px;
  align-items: center;
}

footer {
  margin-top: 56px;
  text-align: center;
  color: var(--muted);
  position: relative;
}

.heart-flame {
  font-size: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.heart {
  animation: pulse 1.6s infinite;
}

.flame {
  animation: flicker 1.2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    color: #ff4d67;
  }
  50% {
    transform: scale(1.2);
    color: #ff7b8c;
  }
}

@keyframes flicker {
  0%,
  100% {
    transform: translateY(0);
    color: #ffb347;
    filter: drop-shadow(0 0 4px rgba(255, 175, 0, 0.6));
  }
  50% {
    transform: translateY(-2px) scale(1.05);
    color: #ffd479;
    filter: drop-shadow(0 0 8px rgba(255, 200, 0, 0.8));
  }
}

/* Global particles (kalp/ateş tüm sayfa) */
.global-effects {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.global-particle {
  position: absolute;
  bottom: -20px;
  font-size: 18px;
  opacity: 0;
  animation: floatUp 5s ease-in forwards;
}

.global-particle.flame {
  filter: drop-shadow(0 0 8px rgba(255, 180, 0, 0.9));
}

@keyframes floatUp {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.95;
  }
  50% {
    transform: translate3d(-15px, -40vh, 0) rotate(-8deg);
    opacity: 0.9;
  }
  100% {
    transform: translate3d(15px, -110vh, 0) rotate(10deg);
    opacity: 0;
  }
}

/* Admin sayfası */
.admin-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.admin-card {
  width: min(420px, 100%);
  background: rgba(0, 0, 0, 0.7);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  padding: 22px 20px 18px;
}

.admin-card h2 {
  margin: 0 0 6px;
  font-size: 22px;
  color: var(--gold);
}

.admin-card p {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
}

.admin-group {
  margin-bottom: 12px;
}

.admin-group label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  color: var(--muted);
  font-size: 13px;
}

.admin-group input,
.admin-group textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(0, 0, 0, 0.7);
  color: var(--white);
  padding: 7px 9px;
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}

.admin-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.admin-tab {
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
}

.admin-tab.active {
  border-color: rgba(255, 215, 0, 0.8);
  color: var(--gold);
  background: rgba(255, 215, 0, 0.1);
}

.admin-section {
  display: none;
  margin-top: 4px;
}

.admin-section.active {
  display: block;
}

.admin-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 10px;
}

.btn {
  border-radius: 999px;
  border: none;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #000;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.admin-list {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px;
  max-height: 180px;
  overflow-y: auto;
  margin-top: 4px;
}

.admin-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  font-size: 12px;
  margin-bottom: 4px;
}

.admin-item span {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-item button {
  border: none;
  border-radius: 999px;
  padding: 3px 6px;
  font-size: 11px;
  cursor: pointer;
}

.btn-mini {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.btn-mini.danger {
  color: #ff6b81;
}

.login-error {
  color: #ff6b81;
  font-size: 12px;
  margin-top: 4px;
  min-height: 14px;
}

@media (max-width: 720px) {
  .video-body {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .channel-avatar {
    justify-self: start;
  }

  .page {
    padding: 40px 0 80px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    justify-content: flex-start;
  }
}