@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

:root {
  --neon-cyan: #00f0ff;
  --neon-pink: #ff00aa;
  --neon-yellow: #ffcc00;
  --bg-dark: #0a0e17;
  --bg-card: #111827;
  --glass: rgba(10, 14, 23, 0.85);
}

body {
  font-family: 'Segoe UI', 'Orbitron', sans-serif;
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100dvh;
  background: var(--bg-dark);
}

/* Скроллбар неоновый */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--neon-cyan); border-radius: 3px; box-shadow: 0 0 8px var(--neon-cyan); }

/* Стеклянные панели */
.glass {
  background: var(--glass);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 240, 255, 0.15);
}
.glass-header {
  background: rgba(10, 14, 23, 0.7);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: 0 2px 20px rgba(0, 240, 255, 0.1);
}

/* Неоновый логотип */
.neon-logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan), 0 0 30px var(--neon-cyan), 0 0 60px var(--neon-cyan);
}

/* 3D Киберпанк-кнопки */
.btn-cyber {
  position: relative;
  background: linear-gradient(180deg, #1a1f2e 0%, #0d1117 100%);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--neon-cyan);
  font-weight: 700;
  padding: 0.5rem 1.25rem;
  border-radius: 0.75rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow:
    0 4px 0 #0a0e17,
    0 6px 15px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 0 15px rgba(0, 240, 255, 0.2);
  transition: all 0.15s ease;
}
.btn-cyber:hover {
  box-shadow:
    0 2px 0 #0a0e17,
    0 4px 10px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 25px rgba(0, 240, 255, 0.4);
  transform: translateY(2px);
}
.btn-cyber:active {
  box-shadow:
    0 0px 0 #0a0e17,
    0 2px 5px rgba(0, 0, 0, 0.6),
    inset 0 2px 5px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(255, 0, 170, 0.5);
  transform: translateY(4px);
}

.btn-send {
  background: linear-gradient(180deg, #00c8e0 0%, #0099b0 100%);
  border: 1px solid var(--neon-cyan);
  color: #000;
  font-weight: 900;
  font-size: 1.1rem;
  padding: 0.5rem 1.25rem;
  border-radius: 0.75rem;
  box-shadow:
    0 4px 0 #005f6b,
    0 6px 20px rgba(0, 240, 255, 0.4);
  transition: all 0.15s ease;
}
.btn-send:hover {
  box-shadow: 0 2px 0 #005f6b, 0 4px 15px rgba(0, 240, 255, 0.6);
  transform: translateY(2px);
}
.btn-send:active {
  box-shadow: 0 0px 0 #005f6b, 0 2px 10px rgba(255, 0, 170, 0.5);
  transform: translateY(4px);
}

/* Иконки в шапке */
.header-icon {
  font-size: 1.3rem;
  padding: 0.3rem 0.5rem;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.2s;
  cursor: pointer;
}
.header-icon:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
}

/* Фильтры */
.filter-btn {
  background: rgba(20, 25, 40, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #8899aa;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.filter-btn.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3), inset 0 0 10px rgba(0, 240, 255, 0.1);
}

/* Галерея — медиа-плитка 4 колонки */
#gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem;
  overflow-y: auto;
  flex: 1;
  align-content: start;
}

/* Карточка медиа (фото/видео) */
.media-card {
  width: calc(25% - 0.6rem);
  min-width: 150px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transition: all 0.2s;
}
.media-card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 4px 25px rgba(0, 240, 255, 0.2);
}
.media-card img, .media-card video {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
  cursor: pointer;
}
.media-card .meta {
  padding: 0.4rem 0.6rem;
  font-size: 0.7rem;
  color: #8899aa;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.media-card .username {
  color: var(--neon-cyan);
  font-weight: 600;
}
.media-card .time {
  color: #556677;
}

/* Текстовый пост — как в Telegram */
.text-post {
  width: 100%;
  max-width: 100%;
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid rgba(255, 0, 170, 0.2);
  border-left: 3px solid var(--neon-pink);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  box-shadow: 0 2px 10px rgba(255, 0, 170, 0.1);
}
.text-post .text-content {
  color: #ccd6e0;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.4rem;
}
.text-post .meta {
  font-size: 0.7rem;
  color: #667788;
  display: flex;
  justify-content: space-between;
}

/* Лайтбокс */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.lightbox img, .lightbox video {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 1rem;
  box-shadow: 0 0 60px rgba(0, 240, 255, 0.4);
}

/* Адаптив */
@media (max-width: 900px) {
  .media-card { width: calc(50% - 0.4rem); min-width: 0; }
}
@media (max-width: 500px) {
  .media-card { width: 100%; }
}