/* ==========================================================================
   BTR REINDEV — СТИЛИ СТРАНИЦЫ СЕРВЕРА (server.css)
   Модульный файл стилей для server.html: адреса серверов, статус,
   3D flip-карточки 4 сезонов и частицы Эндера.
   ========================================================================== */

/* --- Макет страницы сервера --- */
.server-page {
  padding: clamp(32px, 4vw, 56px) 0 clamp(60px, 8vw, 100px);
  min-height: calc(100vh - 74px);
  background:
    radial-gradient(circle at 80% 20%, rgba(103, 174, 119, 0.12), transparent 38%),
    radial-gradient(circle at 15% 70%, rgba(168, 85, 247, 0.06), transparent 32%),
    var(--dm-bg);
}

.server-page-header {
  margin-bottom: 32px;
}

.server-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: var(--dm-bg-soft);
  color: var(--dm-primary-dark);
  border: 1px solid var(--theme-border-dark-faint);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.server-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.server-page-title {
  margin: 0;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 700;
  color: var(--dm-primary-dark);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.server-page-desc {
  margin: 10px 0 0;
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--dm-muted);
  max-width: 680px;
  line-height: 1.6;
}

/* --- Индикатор статуса сервера --- */
.server-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: #ffffff;
  border: 1.5px solid var(--theme-border-dark);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dm-primary-dark);
  box-shadow: 0 4px 14px var(--theme-shadow-dark-subtle);
  transition: all 0.25s ease;
}

.ping-indicator {
  display: inline-flex;
  align-items: flex-end;
  gap: 2.5px;
  height: 15px;
}

.ping-bar {
  width: 3px;
  background: #94a3b8;
  border-radius: 1px;
  transition: background 0.25s ease;
}

.ping-bar:nth-child(1) { height: 4px; }
.ping-bar:nth-child(2) { height: 7px; }
.ping-bar:nth-child(3) { height: 10px; }
.ping-bar:nth-child(4) { height: 12px; }
.ping-bar:nth-child(5) { height: 15px; }

.server-status-pill.is-online {
  border-color: var(--theme-border-primary);
  color: var(--dm-primary-dark);
  background: #ffffff;
}

.server-status-pill.is-online .ping-bar {
  background: #22c55e;
}

.server-status-pill.is-offline {
  border-color: rgba(239, 68, 68, 0.35);
  color: #dc2626;
  background: #fff5f5;
}

.server-status-pill.is-offline .ping-bar {
  background: #ef4444;
}

/* --- Карточки адресов (IP) --- */
.server-endpoints-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}

.server-endpoint-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #ffffff;
  border: 1.5px solid var(--theme-border-dark);
  border-radius: 18px;
  padding: 20px 24px;
  box-shadow: 0 8px 24px var(--theme-shadow-dark-subtle);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.server-endpoint-card:hover {
  transform: translateY(-2px);
  border-color: var(--theme-border-primary);
  box-shadow: 0 12px 28px var(--theme-shadow-dark);
}

.server-endpoint-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.server-endpoint-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dm-primary);
}

.server-endpoint-ip {
  font-family: 'JetBrains Mono', 'IBM Plex Sans', monospace;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  color: var(--dm-primary-dark);
  letter-spacing: -0.01em;
}

.server-endpoint-note {
  font-size: 13px;
  color: var(--dm-muted);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--dm-primary-dark);
  background: var(--dm-bg-soft);
  border: 1px solid var(--theme-border-dark-faint);
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  background: var(--dm-primary);
  color: #ffffff;
  border-color: var(--dm-primary);
  transform: translateY(-1px);
}

.copy-btn:active {
  transform: translateY(0);
}

/* --- Раздел 3D Flip Карточек Сезонов --- */
.seasons-section {
  margin-top: 24px;
}

.seasons-section-header {
  margin-bottom: 24px;
}

.seasons-section-title {
  margin: 0;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  color: var(--dm-primary-dark);
  letter-spacing: -0.03em;
}

.seasons-section-desc {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--dm-muted);
}

.seasons-3d-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.season-flip-card {
  perspective: 1200px;
  height: 380px;
  cursor: pointer;
  border-radius: 18px;
}

.season-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: left;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  will-change: transform;
  border-radius: 18px;
  box-shadow: 0 10px 26px var(--theme-shadow-dark-subtle);
}

.season-flip-card:hover .season-card-inner,
.season-flip-card:focus-visible .season-card-inner,
.season-flip-card.flipped .season-card-inner {
  transform: rotateY(180deg);
  box-shadow: 0 16px 36px var(--theme-shadow-dark);
}

.season-card-front,
.season-card-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  transform-style: preserve-3d;
  will-change: transform;
  overflow: hidden;
}

/* FRONT FACE */
.season-card-front {
  justify-content: flex-end;
  transform: rotateY(0deg) translateZ(1px);
  z-index: 2;
  background: var(--theme-slider-bg);
}

.season-front-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.season-flip-card:hover .season-front-img {
  transform: scale(1.05);
}

.season-front-overlay {
  position: relative;
  z-index: 2;
  padding: 24px 20px 20px;
  background: linear-gradient(180deg, rgba(17, 26, 20, 0) 15%, rgba(17, 26, 20, 0.88) 85%);
  color: #ffffff;
}

.season-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  backdrop-filter: blur(8px);
  margin-bottom: 8px;
}

.season-front-title {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.season-front-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.85);
}

/* BACK FACE */
.season-card-back {
  transform: rotateY(180deg) translateZ(1px);
  padding: 26px 22px;
  justify-content: center;
  z-index: 1;
  background: #ffffff;
  border: 1.5px solid var(--theme-border-dark);
  color: var(--dm-text);
  box-sizing: border-box;
}

.season-back-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--dm-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.season-card-back h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--dm-primary-dark);
  letter-spacing: -0.02em;
}

.season-card-back p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--dm-muted);
}

.season-card-back em {
  display: block;
  margin-top: 10px;
  font-style: italic;
  color: var(--dm-primary-dark);
}

/* --- Сезон 4 (Мистический финал + частицы Эндера) --- */
.season-flip-card.season-mystery .season-card-inner {
  border: 1.5px solid rgba(168, 85, 247, 0.3);
}

.season-flip-card.season-mystery:hover .season-card-inner {
  border-color: rgba(168, 85, 247, 0.6);
  box-shadow: 0 16px 36px rgba(168, 85, 247, 0.22);
}

.season-flip-card.season-mystery .season-badge,
.season-flip-card.season-mystery .season-back-badge {
  background: rgba(168, 85, 247, 0.25);
  color: #c084fc;
  border: 1px solid rgba(192, 132, 252, 0.3);
}

.enderman-particles-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.ender-particle {
  position: absolute;
  width: 5px;
  height: 5px;
  background: #d500f9;
  border-radius: 1px;
  box-shadow: 0 0 6px #d500f9;
  opacity: 0;
  animation: enderFloat var(--duration, 3.2s) infinite ease-out;
  animation-delay: var(--delay, 0s);
  left: var(--left, 50%);
  bottom: var(--bottom, 10%);
  will-change: transform, opacity;
}

.ender-particle:nth-child(2n) {
  background: #a855f7;
  width: 4px;
  height: 4px;
  box-shadow: 0 0 5px #c084fc;
}

.ender-particle:nth-child(3n) {
  background: #e040fb;
  width: 6px;
  height: 6px;
  box-shadow: 0 0 7px #e040fb;
}

@keyframes enderFloat {
  0% {
    transform: translateY(0) translateX(0) scale(0.4) rotate(0deg);
    opacity: 0;
  }
  20% {
    opacity: 0.9;
  }
  60% {
    transform: translateY(-50px) translateX(var(--drift, 12px)) scale(1) rotate(45deg);
    opacity: 0.75;
  }
  100% {
    transform: translateY(-110px) translateX(var(--drift-end, -15px)) scale(0.2) rotate(90deg);
    opacity: 0;
  }
}

/* --- Подсказка по лобби / хабу --- */
.lobby-note-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--dm-bg-soft);
  border: 1px solid var(--theme-border-dark-faint);
  border-radius: 14px;
  padding: 16px 20px;
  font-size: 14.5px;
  color: var(--dm-primary-dark);
}

.lobby-note-box svg {
  flex-shrink: 0;
  color: var(--dm-primary);
}

.lobby-note-box code {
  background: #ffffff;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--theme-border-dark-faint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--dm-primary-dark);
}

/* --- Адаптивность --- */
@media (max-width: 1080px) {
  .seasons-3d-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .season-flip-card {
    height: 350px;
  }
}

@media (max-width: 768px) {
  .server-endpoints-grid {
    grid-template-columns: 1fr;
  }
  .server-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (max-width: 540px) {
  .seasons-3d-grid {
    grid-template-columns: 1fr;
  }
  .season-flip-card {
    height: 320px;
  }
  .server-endpoint-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .server-endpoint-card .copy-btn {
    width: 100%;
    justify-content: center;
  }
}