/* ============================================
   XRAIN — Cyberpunk Design System
   Colors: Deep navy + electric blue neon
   Fonts: Orbitron (display) + Rajdhani (body)
   ============================================ */

:root {
  --bg:           #060b14;
  --bg-card:      #0a1220;
  --bg-card2:     #0d1828;
  --border:       #1a3050;
  --border-glow:  #1e4a7a;
  --primary:      #1e90ff;
  --primary-dim:  #1060bb;
  --accent:       #00d4ff;
  --accent-dim:   #0099bb;
  --neon-glow:    0 0 12px #1e90ff88, 0 0 30px #1e90ff44;
  --neon-strong:  0 0 20px #1e90ffcc, 0 0 50px #1e90ff66;
  --text:         #e8f0fe;
  --text-muted:   #6a8aaa;
  --text-dim:     #3a5570;
  --red:          #ff3355;
  --green:        #00ff88;
  --radius:       6px;
  --radius-lg:    10px;
  --font-display: 'Orbitron', sans-serif;
  --font-body:    'Rajdhani', sans-serif;
  --font-mono:    'Share Tech Mono', monospace;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: var(--font-body); }
img { max-width: 100%; display: block; }

/* ===== RAIN CANVAS ===== */
#rain-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.18;
}

/* ===== SCANLINES ===== */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(6, 11, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--border-glow), 0 4px 20px rgba(30,144,255,0.08);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-zap {
  font-size: 20px;
  filter: drop-shadow(0 0 8px #1e90ff);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-shadow: var(--neon-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-item:hover {
  color: var(--accent);
  background: rgba(30,144,255,0.08);
}

.nav-item.active {
  color: var(--accent);
  background: rgba(30,144,255,0.12);
  box-shadow: inset 0 0 0 1px rgba(30,144,255,0.2);
}

.nav-item svg { flex-shrink: 0; }

.nav-auth {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== BUTTONS ===== */
.btn-neon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.2s;
  box-shadow: var(--neon-glow);
  white-space: nowrap;
}

.btn-neon:hover {
  background: rgba(30,144,255,0.15);
  box-shadow: var(--neon-strong);
  transform: translateY(-1px);
}

.btn-neon.large {
  padding: 14px 32px;
  font-size: 14px;
}

.btn-neon.full { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all 0.2s;
}

.btn-ghost:hover {
  border-color: var(--border-glow);
  color: var(--text);
}

.btn-ghost-sm {
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-ghost-sm:hover {
  border-color: var(--primary);
  color: var(--accent);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--accent);
  box-shadow: var(--neon-glow);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid rgba(255,51,85,0.3);
  border-radius: var(--radius);
  color: var(--red);
  font-size: 12px;
  transition: all 0.2s;
}

.btn-danger:hover {
  background: rgba(255,51,85,0.1);
  border-color: var(--red);
}

/* ===== PAGES ===== */
#app {
  position: relative;
  z-index: 10;
  padding-top: 60px;
  min-height: 100vh;
}

.page {
  display: none;
  min-height: calc(100vh - 60px);
  animation: fadeIn 0.3s ease;
}

.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.page-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-shadow: var(--neon-glow);
}

/* ===== HERO ===== */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 32px;
  background: rgba(30,144,255,0.05);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: pulse 2s infinite;
}

.pulse-dot.green {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(64px, 12vw, 120px);
  font-weight: 900;
  letter-spacing: 0.12em;
  line-height: 1;
  color: var(--text);
  text-shadow: 0 0 40px rgba(30,144,255,0.4), 0 0 80px rgba(30,144,255,0.2);
  margin-bottom: 20px;
}

.title-x {
  color: var(--accent);
  text-shadow: var(--neon-strong), 0 0 80px rgba(0,212,255,0.5);
}

.hero-sub {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== DASHBOARD ===== */
.dashboard {
  margin-top: 60px;
  text-align: left;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

.sub-title {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.note-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px rgba(30,144,255,0.08);
}

.note-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 8px;
}

.note-body {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  border: 1px solid;
}

.badge.public {
  color: var(--green);
  border-color: rgba(0,255,136,0.3);
  background: rgba(0,255,136,0.06);
}

.badge.private {
  color: var(--text-muted);
  border-color: var(--border);
  background: transparent;
}

/* ===== SONGS ===== */
.audio-player-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  box-shadow: 0 0 20px rgba(30,144,255,0.08);
  flex-wrap: wrap;
}

.player-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 160px;
}

.player-cover {
  width: 44px;
  height: 44px;
  background: rgba(30,144,255,0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.player-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
}

.player-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.player-btn:hover, .player-btn.play {
  border-color: var(--primary);
  color: var(--accent);
  box-shadow: var(--neon-glow);
}

.player-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 2;
  min-width: 160px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.progress-bar {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transition: width 0.5s linear;
  box-shadow: 0 0 6px var(--primary);
}

.songs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.song-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  transition: all 0.2s;
}

.song-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 16px rgba(30,144,255,0.08);
}

.song-play-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: rgba(30,144,255,0.1);
  border: 1px solid var(--border-glow);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.song-play-btn:hover {
  background: rgba(30,144,255,0.2);
  box-shadow: var(--neon-glow);
  color: var(--accent);
}

.song-info { flex: 1; }

.song-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 3px;
}

.song-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== VIDEOS ===== */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s;
}

.video-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px rgba(30,144,255,0.1);
  transform: translateY(-2px);
}

.video-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-card2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  position: relative;
  overflow: hidden;
}

.video-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,144,255,0.05), transparent);
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
  background: rgba(6,11,20,0.6);
  text-shadow: var(--neon-glow);
}

.video-card:hover .play-overlay { opacity: 1; }

.video-info {
  padding: 14px 16px;
}

.video-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-bottom: 4px;
}

.video-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== PHOTOS ===== */
.photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.photo-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  aspect-ratio: 1;
  transition: all 0.2s;
}

.photo-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px rgba(30,144,255,0.15);
  transform: scale(1.02);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.photo-card:hover img { transform: scale(1.05); }

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,11,20,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  opacity: 0;
  transition: opacity 0.2s;
}

.photo-card:hover .photo-overlay { opacity: 1; }

.photo-overlay span {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-shadow: var(--neon-glow);
}

/* ===== CHAT ===== */
.chat-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(30,144,255,0.06);
  position: relative;
}

.chat-messages {
  height: 420px;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-glow) transparent;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 2px; }

.chat-msg {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.chat-msg.system {
  justify-content: center;
}

.msg-system {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.msg-user {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  flex-shrink: 0;
}

.msg-user.neon {
  color: var(--accent);
  text-shadow: var(--neon-glow);
}

.msg-text {
  color: var(--text);
  flex: 1;
}

.msg-time {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.chat-input-row {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: rgba(6,11,20,0.5);
}

.chat-input {
  flex: 1;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.chat-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(30,144,255,0.1);
}

.chat-input::placeholder { color: var(--text-dim); }

.chat-login-wall {
  position: absolute;
  inset: 0;
  background: rgba(6,11,20,0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-muted);
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border: 1px solid rgba(0,255,136,0.3);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--green);
  background: rgba(0,255,136,0.06);
}

/* ===== TOOLS ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.2s;
}

.tool-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 24px rgba(30,144,255,0.1);
  transform: translateY(-2px);
}

.tool-icon {
  width: 52px;
  height: 52px;
  background: rgba(30,144,255,0.08);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 4px;
}

.tool-card h3 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
}

.tool-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}

/* ===== USERS ===== */
.users-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.user-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  transition: all 0.2s;
}

.user-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 16px rgba(30,144,255,0.08);
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(30,144,255,0.1);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  color: var(--primary);
  flex-shrink: 0;
}

.user-avatar.neon {
  color: var(--accent);
  border-color: var(--primary);
  box-shadow: var(--neon-glow);
}

.user-info { flex: 1; }

.user-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
}

.user-name.neon {
  color: var(--accent);
  text-shadow: var(--neon-glow);
}

.user-meta {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ===== AUTH ===== */
#page-auth {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

#page-auth.active {
  display: flex;
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 0 40px rgba(30,144,255,0.1);
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.auth-logo .logo-text {
  font-size: 28px;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  transition: all 0.2s;
}

.auth-tab.active {
  background: rgba(30,144,255,0.15);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(30,144,255,0.3);
}

.auth-form {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.auth-form.active { display: flex; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(30,144,255,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.auth-note {
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  font-family: var(--font-mono);
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6,11,20,0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 0 60px rgba(30,144,255,0.15);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.modal-close {
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close:hover {
  border-color: var(--red);
  color: var(--red);
}

.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ===== TOGGLE ===== */
.toggle-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: rgba(30,144,255,0.3);
  border: 1px solid var(--primary);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid;
  backdrop-filter: blur(8px);
  animation: toastIn 0.3s ease;
  pointer-events: auto;
  max-width: 320px;
}

.toast.success {
  background: rgba(0,255,136,0.1);
  border-color: rgba(0,255,136,0.3);
  color: var(--green);
}

.toast.error {
  background: rgba(255,51,85,0.1);
  border-color: rgba(255,51,85,0.3);
  color: var(--red);
}

.toast.info {
  background: rgba(30,144,255,0.1);
  border-color: rgba(30,144,255,0.3);
  color: var(--accent);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ===== UTILITY ===== */
.hidden { display: none !important; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: rgba(6,11,20,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
    z-index: 99;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-item { padding: 10px 14px; }

  .nav-auth { display: none; }

  .nav-hamburger {
    display: flex;
    margin-left: auto;
  }

  .nav-inner { gap: 16px; }

  .hero-title { font-size: clamp(48px, 16vw, 80px); }

  .audio-player-bar { flex-direction: column; align-items: stretch; }

  .player-progress { min-width: unset; }
}

@media (max-width: 600px) {
  .page-inner { padding: 32px 16px; }
  .hero { padding: 60px 16px 40px; }
  .auth-card { padding: 28px 20px; }
  .modal-body { padding: 16px; }
  .photos-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: 1fr; }
}