/* ==========================================================================
   UZZAPAN — stylesheet
   Design concept: gabi sa kanto, ilaw ng karaoke at jeepney signage —
   deep indigo night + neon cyan/pink/yellow accents.
   ========================================================================== */

:root {
  --bg-void: #0A0D22;
  --bg-panel: #12162F;
  --bg-panel-2: #191E42;
  --bg-panel-3: #232A57;
  --line: #2B3163;

  --accent-cyan: #2FE6C9;
  --accent-pink: #FF4FA0;
  --accent-yellow: #FFC24B;

  --text-hi: #F5F4FF;
  --text-mid: #ABB0DE;
  --text-dim: #6E739E;

  --radius-bubble: 18px;
  --radius-card: 20px;
  --radius-pill: 999px;

  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

  --shadow-glow: 0 0 40px rgba(47, 230, 201, 0.12);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg-void);
  color: var(--text-hi);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .brand { font-family: var(--font-display); }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
::selection { background: var(--accent-pink); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- Buttons ---------- */
.btn-solid, .btn-ghost {
  border-radius: var(--radius-pill);
  padding: 12px 22px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-solid {
  background: linear-gradient(135deg, var(--accent-cyan), #21C9AE);
  color: #06231E;
}
.btn-solid:hover { transform: translateY(-1px); }
.btn-solid:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--text-hi);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn-block { width: 100%; text-align: center; display: block; }
.icon-btn {
  background: var(--bg-panel-3);
  border: 1px solid var(--line);
  color: var(--text-hi);
  width: 40px; height: 40px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.icon-btn:hover { border-color: var(--accent-cyan); }

.brand {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.5px;
  background: linear-gradient(120deg, var(--accent-cyan), var(--accent-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-sm { font-size: 1.2rem; }

/* ==========================================================================
   LANDING
   ========================================================================== */
.landing-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 6vw;
  max-width: 1280px; margin: 0 auto;
}
.nav-actions { display: flex; gap: 10px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 6vw 70px;
  min-height: 62vh;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; font-weight: 700; color: var(--accent-cyan);
  background: rgba(47, 230, 201, 0.1);
  border: 1px solid rgba(47, 230, 201, 0.3);
  padding: 6px 14px; border-radius: var(--radius-pill);
  margin: 0 0 20px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  line-height: 1.05;
  margin: 0 0 20px;
  font-weight: 800;
  max-width: 12ch;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-mid);
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  height: 460px;
  display: flex;
  gap: 18px;
  justify-content: center;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 12%, black 88%, transparent);
}
.bubble-lane {
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: floatUp 16s linear infinite;
}
.lane-b { animation-duration: 21s; animation-delay: -6s; }
.lane-c { animation-duration: 18s; animation-delay: -11s; }
@keyframes floatUp {
  0% { transform: translateY(10%); }
  100% { transform: translateY(-110%); }
}
.fbubble {
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  color: var(--text-mid);
  padding: 12px 16px;
  border-radius: var(--radius-bubble);
  font-size: 0.88rem;
  white-space: nowrap;
  box-shadow: var(--shadow-glow);
}
.lane-b .fbubble { border-color: rgba(255, 79, 160, 0.35); }
.lane-c .fbubble { border-color: rgba(255, 194, 75, 0.35); }

.feature-strip {
  background: var(--bg-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 34px 6vw;
  gap: 24px;
}
.feature-item { display: flex; gap: 14px; align-items: flex-start; }
.feature-icon { font-size: 1.6rem; line-height: 1; }
.feature-item h3 { margin: 0 0 4px; font-size: 1.02rem; }
.feature-item p { margin: 0; color: var(--text-dim); font-size: 0.88rem; }
.feature-divider { width: 1px; height: 44px; background: var(--line); }

.landing-footer {
  text-align: center;
  padding: 40px 6vw 60px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- Auth Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(6, 8, 20, 0.72);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 32px;
  width: 100%; max-width: 400px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; color: var(--text-dim);
  font-size: 1.1rem; padding: 6px;
}
.modal-tabs { display: flex; gap: 8px; margin-bottom: 22px; }
.modal-tab {
  flex: 1; background: var(--bg-panel-2); border: 1px solid var(--line);
  color: var(--text-mid); padding: 10px; border-radius: 12px; font-weight: 700; font-size: 0.88rem;
}
.modal-tab.active { background: var(--accent-cyan); color: #06231E; border-color: var(--accent-cyan); }
.modal-form { display: none; flex-direction: column; gap: 16px; }
.modal-form.active { display: flex; }
.modal-form label { font-size: 0.85rem; color: var(--text-mid); display: flex; flex-direction: column; gap: 6px; }
.modal-form label small { color: var(--text-dim); font-weight: 400; }
.modal-form input {
  background: var(--bg-void); border: 1.5px solid var(--line); color: var(--text-hi);
  padding: 12px 14px; border-radius: 12px; font-size: 0.95rem;
}
.modal-form input:focus { outline: none; border-color: var(--accent-cyan); }
.form-error { color: var(--accent-pink); font-size: 0.85rem; min-height: 1em; }

/* ==========================================================================
   SETUP / ADMIN LOGIN PAGES
   ========================================================================== */
.setup-page { display: flex; align-items: center; justify-content: center; min-height: 100dvh; padding: 20px; }
.setup-card {
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: var(--radius-card);
  padding: 36px; width: 100%; max-width: 420px;
}
.setup-card h1 { margin: 0 0 6px; font-size: 1.6rem; }
.setup-card h1 span { display: block; font-size: 0.95rem; color: var(--text-dim); font-family: var(--font-body); font-weight: 600; }
.setup-note { color: var(--text-mid); font-size: 0.88rem; margin: 0 0 22px; }
.setup-form { display: flex; flex-direction: column; gap: 14px; }
.setup-form label { font-size: 0.85rem; color: var(--text-mid); display: flex; flex-direction: column; gap: 6px; }
.setup-form input {
  background: var(--bg-void); border: 1.5px solid var(--line); color: var(--text-hi);
  padding: 12px 14px; border-radius: 12px; font-size: 0.95rem;
}
.setup-form button { margin-top: 6px; }
.alert { padding: 12px 14px; border-radius: 12px; font-size: 0.88rem; margin-bottom: 16px; }
.alert-error { background: rgba(255, 79, 160, 0.12); border: 1px solid rgba(255, 79, 160, 0.4); color: #FF8FC4; }
.alert-success { background: rgba(47, 230, 201, 0.12); border: 1px solid rgba(47, 230, 201, 0.4); color: var(--accent-cyan); }

/* ==========================================================================
   CHAT APP
   ========================================================================== */
.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100dvh;
  overflow: hidden;
}
.sidebar {
  background: var(--bg-panel);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  padding: 18px;
  overflow-y: auto;
}
.sidebar-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
#closeSidebar { display: none; }
.me-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-panel-2); border: 1px solid var(--line);
  padding: 12px; border-radius: 14px; margin-bottom: 20px;
}
.me-avatar { font-size: 1.6rem; }
.me-name { font-weight: 700; }
.me-username { color: var(--text-dim); font-size: 0.82rem; }
.sidebar-section-label {
  font-size: 0.75rem; text-transform: none; color: var(--text-dim);
  margin: 0 0 10px; font-weight: 700;
}
.user-list { list-style: none; margin: 0; padding: 0; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.user-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 10px; font-size: 0.9rem; font-weight: 600;
}
.user-item.is-offline { opacity: 0.45; }
.user-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); flex-shrink: 0; }
.user-item.is-online .user-dot { background: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); }
.user-avatar { font-size: 1rem; }
.sidebar-bottom { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }

.chat-main { display: flex; flex-direction: column; height: 100dvh; overflow: hidden; position: relative; }
.chat-header {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
  background: var(--bg-panel);
  flex-shrink: 0;
}
#openSidebar { display: none; }
.chat-header-title { display: flex; flex-direction: column; flex: 1; }
.chat-header-title strong { font-size: 1rem; }
.muted-cell { color: var(--text-dim); font-size: 0.8rem; }

.messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.msg-day-marker { text-align: center; color: var(--text-dim); font-size: 0.82rem; margin-bottom: 4px; }
.msg { display: flex; gap: 10px; max-width: 78%; }
.msg-mine { align-self: flex-end; flex-direction: row-reverse; }
.msg-avatar { font-size: 1.3rem; flex-shrink: 0; margin-top: 4px; }
.msg-meta { display: flex; gap: 8px; align-items: baseline; margin-bottom: 3px; }
.msg-mine .msg-meta { flex-direction: row-reverse; }
.msg-name { font-weight: 700; font-size: 0.85rem; }
.msg-time { color: var(--text-dim); font-size: 0.72rem; }
.msg-bubble {
  background: var(--bg-panel-2); border: 1px solid var(--line);
  padding: 10px 14px; border-radius: var(--radius-bubble);
  font-size: 0.94rem; word-break: break-word;
}
.msg-mine .msg-bubble { background: linear-gradient(135deg, rgba(47,230,201,0.18), rgba(47,230,201,0.08)); border-color: rgba(47,230,201,0.35); }

.composer {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; border-top: 1px solid var(--line);
  background: var(--bg-panel);
  flex-shrink: 0;
  padding-bottom: max(14px, env(safe-area-inset-bottom));
}
.composer input {
  flex: 1; background: var(--bg-void); border: 1.5px solid var(--line); color: var(--text-hi);
  padding: 12px 16px; border-radius: var(--radius-pill); font-size: 0.95rem;
}
.composer input:focus { outline: none; border-color: var(--accent-cyan); }
.btn-send { padding: 12px 22px; }

.emoji-picker {
  position: absolute; bottom: 76px; left: 16px;
  background: var(--bg-panel-2); border: 1px solid var(--line); border-radius: 16px;
  padding: 10px; display: none; grid-template-columns: repeat(8, 1fr); gap: 4px;
  max-width: 340px; max-height: 220px; overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  z-index: 20;
}
.emoji-picker.open { display: grid; }
.emoji-btn { background: none; border: none; font-size: 1.3rem; padding: 6px; border-radius: 8px; }
.emoji-btn:hover { background: var(--bg-panel-3); }

/* ---------- Music Player ---------- */
.player {
  position: fixed; right: 20px; bottom: 88px;
  background: var(--bg-panel-2); border: 1px solid var(--line);
  border-radius: 18px; padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  width: 280px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  z-index: 30;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.player.collapsed { transform: translateX(calc(100% + 20px)); opacity: 0; pointer-events: none; }
.player-collapse {
  position: absolute; top: -10px; left: -10px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--bg-panel-3); border: 1px solid var(--line); color: var(--text-mid);
  font-size: 0.75rem;
}
.player-art { font-size: 1.5rem; }
.player-info { flex: 1; min-width: 0; }
.player-title { font-size: 0.85rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-sub { font-size: 0.72rem; color: var(--text-dim); }
.player-controls { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.player-controls #playPause { width: 34px; height: 34px; font-size: 0.9rem; }
#volumeRange { width: 60px; accent-color: var(--accent-cyan); }
.player-upload {
  position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%);
  font-size: 0.68rem; padding: 5px 12px; white-space: nowrap;
}

/* ==========================================================================
   ADMIN DASHBOARD
   ========================================================================== */
.admin-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 6vw; border-bottom: 1px solid var(--line); background: var(--bg-panel);
}
.admin-header h1 { margin: 0; font-size: 1.3rem; }
.admin-header h1 span { display: block; font-size: 0.8rem; color: var(--text-dim); font-family: var(--font-body); font-weight: 600; }
.admin-header-right { display: flex; align-items: center; gap: 14px; font-size: 0.88rem; color: var(--text-mid); }
.admin-main { padding: 30px 6vw; max-width: 1200px; margin: 0 auto; }
.admin-stats { display: flex; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.stat-card {
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 18px 26px; display: flex; flex-direction: column; gap: 4px; min-width: 120px;
}
.stat-num { font-size: 1.8rem; font-weight: 800; font-family: var(--font-display); color: var(--accent-cyan); }
.stat-label { font-size: 0.8rem; color: var(--text-dim); }
.admin-table-wrap { overflow-x: auto; background: var(--bg-panel); border: 1px solid var(--line); border-radius: 16px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.admin-table th {
  text-align: left; padding: 12px 14px; color: var(--text-dim); font-weight: 700;
  border-bottom: 1px solid var(--line); white-space: nowrap; font-size: 0.78rem;
}
.admin-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-table input[type="text"] {
  background: var(--bg-void); border: 1.5px solid var(--line); color: var(--text-hi);
  padding: 7px 10px; border-radius: 8px; font-size: 0.85rem; width: 130px;
}
.f-avatar { width: 56px !important; text-align: center; }
.color-cell { display: flex; align-items: center; gap: 10px; }
.f-color { width: 34px; height: 30px; border: none; background: none; padding: 0; border-radius: 6px; overflow: hidden; }
.color-preview { font-weight: 700; font-size: 0.85rem; }
.username-cell { color: var(--text-mid); font-weight: 600; }
.btn-save {
  background: var(--accent-cyan); color: #06231E; border: none; font-weight: 700;
  padding: 7px 14px; border-radius: var(--radius-pill); font-size: 0.8rem;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 20px; }
  .hero-visual { height: 300px; order: -1; }
  .feature-strip { grid-template-columns: 1fr; }
  .feature-divider { display: none; }
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 25% 0 0; z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 20px 0 40px rgba(0,0,0,0.4);
  }
  .sidebar.open { transform: translateX(0); }
  #closeSidebar, #openSidebar { display: inline-flex; }
  .player { width: 240px; right: 14px; bottom: 82px; }
}

@media (max-width: 600px) {
  .landing-nav { padding: 16px 5vw; }
  .hero { padding: 10px 5vw 40px; }
  .hero h1 { max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-lg { width: 100%; text-align: center; }
  .feature-strip { padding: 24px 5vw; gap: 18px; }
  .msg { max-width: 90%; }
  .modal-card { padding: 24px 20px; }
  .sidebar { inset: 0 15% 0 0; }
  .player {
    position: fixed; left: 10px; right: 10px; bottom: 74px; width: auto;
  }
  .composer { padding: 10px 12px; padding-bottom: max(10px, env(safe-area-inset-bottom)); }
  .emoji-picker { left: 10px; right: 10px; max-width: none; }
  .admin-main { padding: 20px 5vw; }
  .admin-header { padding: 14px 5vw; flex-wrap: wrap; gap: 10px; }
}