/* =============================================
   AI & ML CLUB OCT — LIVE UPDATES PORTAL
   Design: Premium Glassmorphism · Minimal · Fast
   ============================================= */

/* ── Variables ── */
:root {
  --bg-base:        #05050A;
  --surface:        rgba(14, 14, 22, 0.55);
  --surface-hover:  rgba(20, 20, 32, 0.7);
  --brand:          #8A2BE2;
  --brand-glow:     rgba(138, 43, 226, 0.25);
  --cyan:           #00D4FF;
  --cyan-glow:      rgba(0, 212, 255, 0.2);
  --green:          #00E676;
  --accent:         #FF4081;
  --text:           #F0F2FF;
  --text-muted:     #7A80A0;
  --border:         rgba(255, 255, 255, 0.07);
  --border-hover:   rgba(255, 255, 255, 0.14);
  --radius-lg:      18px;
  --radius-md:      12px;
  --radius-sm:      8px;
  --shadow-panel:   0 8px 32px rgba(0,0,0,0.5);
  --transition:     0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-base);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Scroll Progress ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
  z-index: 2000;
  transition: width 0.1s linear;
}

/* ── Loading Screen ── */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}
.loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.loader-logo-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-hover);
  z-index: 2;
}

.cyber-circle {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-top-color: var(--cyan);
  animation: spin 1.2s linear infinite;
  will-change: transform;
}

.cyber-circle::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-bottom-color: var(--brand);
  animation: spin 2s linear infinite reverse;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loader-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  max-width: 280px;
  line-height: 1.6;
}

.progress-bar-container {
  width: 220px;
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
  border-radius: 3px;
  transition: width 0.15s ease;
  box-shadow: 0 0 8px var(--cyan);
}

.percentage {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 1px;
}

/* ── Ambient Background ── */
.ambient-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at 40% 30%, #120a2a 0%, var(--bg-base) 70%);
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
  animation: blob-drift 25s infinite alternate ease-in-out;
}
.blob-1 { width: 45vw; height: 45vw; background: radial-gradient(circle, var(--brand) 0%, transparent 70%); opacity: 0.18; top: -15%; left: -10%; animation-delay: 0s; }
.blob-2 { width: 38vw; height: 38vw; background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);  opacity: 0.12; bottom: -15%; right: -10%; animation-delay: -8s; }
.blob-3 { width: 28vw; height: 28vw; background: radial-gradient(circle, var(--accent) 0%, transparent 70%); opacity: 0.08; top: 45%; left: 42%; animation-delay: -15s; }

@keyframes blob-drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(8%, 10%) scale(1.08); }
}

.grid-overlay {
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-move 15s linear infinite;
  will-change: transform;
}
@keyframes grid-move {
  0%   { transform: perspective(900px) rotateX(55deg) translateY(0); }
  100% { transform: perspective(900px) rotateX(55deg) translateY(60px); }
}

/* ── Layout ── */
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 100vh;
}

/* ── Glass Surface mixin ── */
.glass-header,
.glass-panel,
.glass-footer,
.status-bar {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* ── Header ── */
.glass-header {
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-panel);
  animation: float-el 7s ease-in-out infinite;
  will-change: transform;
}

.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

@keyframes float-el {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logos-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.club-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(138, 43, 226, 0.5);
  box-shadow: 0 0 12px var(--brand-glow);
  transition: transform var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}
.club-logo.oct-logo { border-color: rgba(255,255,255,0.3); box-shadow: 0 0 12px rgba(255,255,255,0.1); }
.club-logo:hover { transform: scale(1.08); box-shadow: 0 0 20px var(--cyan-glow); }

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.club-name {
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #fff 40%, #a0a5c0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-block;
  background: rgba(138, 43, 226, 0.15);
  border: 1px solid var(--brand);
  color: var(--brand);
  padding: 2px 9px;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 2px;
  width: fit-content;
}

.title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 600;
  letter-spacing: 1px;
  text-align: center;
}

.highlight {
  color: var(--cyan);
  text-shadow: 0 0 20px var(--cyan-glow);
}

.btn-refresh {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 30px;
  padding: 8px 18px;
  color: var(--cyan);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-refresh:hover {
  background: rgba(0, 212, 255, 0.18);
  box-shadow: 0 0 16px var(--cyan-glow);
  transform: translateY(-2px);
  color: #fff;
}
.spin-icon { font-size: 0.85rem; transition: transform var(--transition); }

/* ── Status Bar ── */
.status-bar {
  border-radius: var(--radius-md);
  padding: 0.65rem 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Space Grotesk', sans-serif;
  animation: float-el 9s ease-in-out infinite;
  animation-delay: 1.5s;
}

.status-left { display: flex; align-items: center; gap: 16px; }

.live-indicator {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 1px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse-ring 2s ease-out infinite;
  will-change: transform, box-shadow;
}
@keyframes pulse-ring {
  0%   { transform: scale(1);   box-shadow: 0 0 0 0 rgba(0,230,118,0.6); }
  70%  { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(0,230,118,0); }
  100% { transform: scale(1);   box-shadow: 0 0 0 0 rgba(0,230,118,0); }
}

.experience-tag {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 1px;
}
.experience-tag i {
  color: var(--cyan);
  margin-right: 4px;
}

.status-right {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.status-right i { color: var(--cyan); font-size: 0.78rem; }

/* ── Document Panel ── */
.glass-panel {
  flex: 1;
  border-radius: var(--radius-lg);
  padding: 0;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-panel), 0 0 15px var(--cyan-glow), 0 0 0 1px var(--border);
  min-height: 0;
}

/* Corner accents */
.corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--cyan);
  opacity: 0.6;
  z-index: 5;
  pointer-events: none;
}
.corner-tl { top:0; left:0;  border-right:none; border-bottom:none; border-radius: var(--radius-lg) 0 0 0; }
.corner-tr { top:0; right:0; border-left:none;  border-bottom:none; border-radius: 0 var(--radius-lg) 0 0; }
.corner-bl { bottom:0; left:0;  border-right:none; border-top:none; border-radius: 0 0 0 var(--radius-lg); }
.corner-br { bottom:0; right:0; border-left:none;  border-top:none; border-radius: 0 0 var(--radius-lg) 0; }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  flex-shrink: 0;
}

.title-group { display: flex; flex-direction: column; gap: 2px; }

.panel-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.panel-title i { color: var(--cyan); }

.typing-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.68rem;
  color: var(--cyan);
  opacity: 0.75;
  border-right: 1.5px solid var(--cyan);
  white-space: nowrap;
  overflow: hidden;
  animation: blink-caret 0.8s step-end infinite;
  min-height: 1em;
}
@keyframes blink-caret {
  from, to { border-color: transparent; }
  50%       { border-color: var(--cyan); }
}

.panel-controls { display: flex; gap: 6px; align-items: center; }
.control-dot { width: 9px; height: 9px; border-radius: 50%; }
.control-dot:nth-child(1) { background: #ff5f56; }
.control-dot:nth-child(2) { background: #ffbd2e; }
.control-dot:nth-child(3) { background: #27c93f; }

/* ── iFrame Wrapper ── */
.iframe-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: #1a1a1a;
  min-height: 0;
}



/* Skeleton loader */
.skeleton-loader {
  position: absolute;
  inset: 0;
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #0c0c14;
  z-index: 5;
  transition: opacity 0.5s ease;
}
.skeleton-line {
  height: 13px;
  border-radius: 4px;
  background: linear-gradient(90deg,
    rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.8s ease infinite;
}
.skeleton-line:nth-child(1) { width: 45%; }
.skeleton-line:nth-child(2) { width: 78%; }
.skeleton-line:nth-child(3) { width: 62%; }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* iFrame */
.iframe-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  filter: invert(0.9) hue-rotate(180deg);
  opacity: 0;
  transition: opacity 0.6s ease;
}
.iframe-wrapper iframe.loaded { opacity: 1; }

/* ── Footer ── */
.glass-footer {
  border-radius: var(--radius-lg);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-panel);
  animation: float-el 8s ease-in-out infinite;
  animation-delay: 2s;
  flex-shrink: 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-accent);
}

.social-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.social-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  font-size: 1.05rem;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all var(--transition);
  will-change: transform;
}
.social-icon:hover {
  transform: translateY(-4px) scale(1.08);
  background: var(--brand-glow);
  color: #fff;
  border-color: rgba(138, 43, 226, 0.4);
  box-shadow: 0 6px 20px var(--brand-glow);
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(138, 43, 226, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(138, 43, 226, 0.3);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.back-to-top:hover {
  transform: translateY(-4px);
  background: var(--brand);
  box-shadow: 0 8px 24px var(--brand-glow);
}

/* ── Mouse spotlight effect ── */
.glass-header::after, .glass-panel::after, .glass-footer::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 212, 255, 0.07), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  z-index: 0;
}
.glass-header:hover::after, .glass-panel:hover::after, .glass-footer:hover::after { opacity: 1; }
.glass-header > *, .glass-panel > *, .glass-footer > * { position: relative; z-index: 1; }

/* ── Responsive: Tablet ── */
@media (max-width: 900px) {
  .app-container { padding: 1.25rem; gap: 1rem; }
}

@media (max-width: 768px) {
  .app-container { padding: 0.75rem; gap: 0.75rem; height: auto; min-height: 100dvh; }

  .glass-header {
    flex-direction: column;
    gap: 12px;
    padding: 1rem;
    text-align: center;
    animation: none;
  }

  .brand { flex-direction: column; gap: 8px; }
  .logos-container { justify-content: center; }
  .brand-text { align-items: center; }
  .club-name { font-size: 1.1rem; }
  .title { font-size: 1.5rem; }
  .header-actions { justify-content: center; }


  .status-bar {
    flex-direction: column;
    gap: 8px;
    padding: 0.65rem 1rem;
    text-align: center;
    animation: none;
  }
  .status-left { flex-wrap: wrap; justify-content: center; gap: 10px; }
  .status-right { justify-content: center; }

  .glass-panel {
    animation: none;
    min-height: 70dvh;
  }

  .panel-header { padding: 0.6rem 0.9rem; }
  .typing-text { white-space: normal; }

  .glass-footer {
    padding: 0.75rem 1rem;
    animation: none;
  }
  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .social-links { gap: 10px; }
  .social-icon { width: 40px; height: 40px; font-size: 1rem; }

  .back-to-top { bottom: 20px; right: 16px; width: 40px; height: 40px; }
  
  .corner { opacity: 0.4; }
}

@media (max-width: 420px) {
  .social-icon { width: 36px; height: 36px; font-size: 0.9rem; }
  .social-links { gap: 8px; }
  .club-logo { width: 38px; height: 38px; }
  .btn-refresh .status-text { display: none; }
  .btn-refresh { padding: 8px 12px; }
  .title { font-size: 1.3rem; }

}

/* ── Projector / TV (large) ── */
@media (min-width: 1600px) {
  .app-container { padding: 2rem 3rem; gap: 1.5rem; }
  .club-name { font-size: 1.6rem; }
  .title { font-size: 2.4rem; }
  .club-logo { width: 54px; height: 54px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}