/* ============================================================
   AVIP — STUDENT DASHBOARD STYLESHEET
   ============================================================ */
:root {
  --bg-primary: #000208;
  --bg-secondary: #050518;
  --bg-card: rgba(10,12,38,.88);
  --bg-card-hover: rgba(14,17,52,.96);
  --cyan: #00d4ff;
  --cyan-dim: rgba(0,212,255,.65);
  --cyan-glow: rgba(0,212,255,.18);
  --purple: #7b2fff;
  --gold: #ffd700;
  --pink: #ff2d78;
  --green: #00e676;
  --text-primary: #fff;
  --text-secondary: rgba(255,255,255,.72);
  --text-muted: rgba(255,255,255,.42);
  --grad-main: linear-gradient(135deg,#00d4ff 0%,#7b2fff 100%);
  --glow-cyan: 0 0 22px rgba(0,212,255,.55),0 0 44px rgba(0,212,255,.22);
  --glow-gold: 0 0 16px rgba(255,215,0,.45);
  --border-cyan: 1px solid rgba(0,212,255,.28);
  --border-faint: 1px solid rgba(255,255,255,.07);
  --font-heading: 'Orbitron',sans-serif;
  --font-body: 'Space Grotesk',sans-serif;
  --sidebar-w: 260px;
}
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html,body { height:100%; overflow:hidden; }
body { font-family:var(--font-body); background:var(--bg-primary); color:var(--text-primary); -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
button { font-family:var(--font-body); }
img { max-width:100%; display:block; }

.db-canvas {
  position:fixed; top:0; left:0; width:100%; height:100%;
  z-index:0; pointer-events:none; opacity:.35;
}

/* Layout */
.db-layout { display:flex; height:100vh; position:relative; z-index:1; }

/* Sidebar */
.db-sidebar {
  width:var(--sidebar-w); height:100vh;
  background:rgba(2,2,18,.97);
  border-right:var(--border-cyan);
  display:flex; flex-direction:column;
  flex-shrink:0;
  position:relative; z-index:10;
  backdrop-filter:blur(20px);
  overflow-y:auto;
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.db-sidebar-header {
  padding:1.5rem 1.2rem 1rem;
  display:flex; align-items:center; justify-content:space-between;
  border-bottom:var(--border-faint);
}
.db-logo { height:44px; width:auto; filter:drop-shadow(0 0 10px rgba(255,215,0,.3)); }
.db-sidebar-close { display:none; background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:1.2rem; }

.db-user-card {
  padding:1.2rem;
  display:flex; align-items:center; gap:.9rem;
  margin:.8rem 1rem;
  background:rgba(0,212,255,.04);
  border:var(--border-cyan);
  border-radius:12px;
}
.db-user-avatar {
  width:42px; height:42px; border-radius:50%;
  background:var(--grad-main);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-heading); font-size:.72rem; font-weight:700;
  color:#fff; flex-shrink:0;
}
.db-user-name { font-family:var(--font-heading); font-size:.72rem; font-weight:700; color:var(--text-primary); margin-bottom:.2rem; }
.db-user-level {
  font-size:.68rem; color:var(--cyan);
  background:rgba(0,212,255,.1); border:1px solid rgba(0,212,255,.25);
  padding:.15rem .5rem; border-radius:8px; display:inline-block;
}

.db-nav { padding:.5rem 0; flex:1; }
.db-nav-item {
  display:flex; align-items:center; gap:.85rem;
  padding:.78rem 1.3rem;
  color:var(--text-secondary);
  font-size:.82rem; letter-spacing:.2px;
  transition:color .2s, background .2s, padding .2s;
  border-left:2px solid transparent;
  margin:0 .5rem .15rem;
  border-radius:0 8px 8px 0;
  cursor:pointer;
}
.db-nav-item:hover { color:var(--cyan); background:rgba(0,212,255,.05); }
.db-nav-item.active { color:var(--cyan); background:rgba(0,212,255,.08); border-left-color:var(--cyan); }
.db-nav-item svg { flex-shrink:0; opacity:.7; }
.db-nav-item.active svg, .db-nav-item:hover svg { opacity:1; }

.db-sidebar-footer { padding:1rem 1.2rem; border-top:var(--border-faint); }
.db-logout-btn {
  display:flex; align-items:center; gap:.6rem;
  width:100%; padding:.7rem 1rem;
  background:rgba(255,45,120,.06);
  border:1px solid rgba(255,45,120,.2);
  border-radius:8px; color:rgba(255,100,140,.8);
  font-size:.8rem; cursor:pointer;
  transition:background .2s, color .2s;
}
.db-logout-btn:hover { background:rgba(255,45,120,.12); color:#ff2d78; }

/* Main */
.db-main { flex:1; display:flex; flex-direction:column; overflow:hidden; }

.db-topbar {
  display:flex; align-items:center; gap:1rem;
  padding:.9rem 2rem;
  background:rgba(2,2,16,.92);
  border-bottom:var(--border-cyan);
  backdrop-filter:blur(16px);
  flex-shrink:0;
}
.db-menu-btn {
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:4px;
}
.db-menu-btn span { display:block; width:22px; height:2px; background:var(--cyan); border-radius:2px; }
.db-topbar-title { font-family:var(--font-heading); font-size:.78rem; letter-spacing:2px; text-transform:uppercase; color:var(--text-primary); flex:1; }
.db-topbar-right { display:flex; align-items:center; gap:1.2rem; }
.db-notification { position:relative; cursor:pointer; color:var(--text-muted); transition:color .2s; }
.db-notification:hover { color:var(--cyan); }
.notif-badge {
  position:absolute; top:-5px; right:-6px;
  width:16px; height:16px;
  background:var(--pink); border-radius:50%;
  font-size:.55rem; font-family:var(--font-heading);
  display:flex; align-items:center; justify-content:center; color:#fff;
}
.db-topbar-user { font-family:var(--font-heading); font-size:.62rem; letter-spacing:1px; color:var(--cyan); }

.db-content {
  flex:1; overflow-y:auto; padding:2rem;
  scrollbar-width:thin; scrollbar-color:rgba(0,212,255,.3) transparent;
}
.db-content::-webkit-scrollbar { width:5px; }
.db-content::-webkit-scrollbar-track { background:transparent; }
.db-content::-webkit-scrollbar-thumb { background:rgba(0,212,255,.3); border-radius:3px; }

/* Section Header */
.db-section-header { margin-bottom:2rem; }
.db-section-title { font-family:var(--font-heading); font-size:1.4rem; font-weight:800; margin-bottom:.35rem; letter-spacing:-.02em; }
.db-section-subtitle { font-size:.88rem; color:var(--text-muted); }

/* Cards */
.db-card {
  background:var(--bg-card);
  border:var(--border-cyan);
  border-radius:14px;
  padding:1.5rem;
  backdrop-filter:blur(12px);
  transition:transform .3s, box-shadow .3s;
}
.db-card:hover { transform:translateY(-3px); box-shadow:0 12px 40px rgba(0,212,255,.1); }
.db-card-title {
  font-family:var(--font-heading); font-size:.68rem;
  letter-spacing:2px; text-transform:uppercase;
  color:var(--text-muted); margin-bottom:1rem;
}

/* Stats Row */
.db-stats-row { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:1.2rem; margin-bottom:2rem; }
.db-stat-card {
  background:var(--bg-card);
  border:var(--border-cyan);
  border-radius:12px;
  padding:1.4rem;
  display:flex; flex-direction:column; gap:.5rem;
  backdrop-filter:blur(12px);
  transition:transform .3s;
}
.db-stat-card:hover { transform:translateY(-3px); }
.db-stat-label { font-family:var(--font-heading); font-size:.55rem; letter-spacing:2.5px; text-transform:uppercase; color:var(--text-muted); }
.db-stat-value { font-family:var(--font-heading); font-size:1.9rem; font-weight:900; color:var(--cyan); text-shadow:var(--glow-cyan); line-height:1; }
.db-stat-sub { font-size:.75rem; color:var(--text-muted); }
.db-stat-card.gold .db-stat-value { color:var(--gold); text-shadow:var(--glow-gold); }
.db-stat-card.purple .db-stat-value { color:var(--purple); }
.db-stat-card.green .db-stat-value { color:var(--green); }

/* Progress Bar */
.db-progress-wrap { margin-bottom:1rem; }
.db-progress-label { display:flex; justify-content:space-between; margin-bottom:.5rem; font-size:.78rem; color:var(--text-secondary); }
.db-progress-bar { height:6px; background:rgba(255,255,255,.07); border-radius:6px; overflow:hidden; }
.db-progress-fill { height:100%; background:var(--grad-main); border-radius:6px; transition:width 1s ease; }

/* Table */
.db-table-wrap { overflow-x:auto; }
.db-table { width:100%; border-collapse:collapse; }
.db-table th { font-family:var(--font-heading); font-size:.58rem; letter-spacing:2px; text-transform:uppercase; color:var(--text-muted); padding:.7rem 1rem; text-align:left; border-bottom:var(--border-faint); }
.db-table td { padding:.9rem 1rem; font-size:.875rem; color:var(--text-secondary); border-bottom:1px solid rgba(255,255,255,.04); }
.db-table tr:hover td { background:rgba(0,212,255,.03); color:var(--text-primary); }

/* Badge */
.db-badge {
  display:inline-block;
  font-family:var(--font-heading); font-size:.52rem; letter-spacing:1.5px; text-transform:uppercase;
  padding:.2rem .6rem; border-radius:8px;
}
.badge-active { background:rgba(0,230,118,.12); color:#00e676; border:1px solid rgba(0,230,118,.3); }
.badge-pending { background:rgba(255,215,0,.1); color:var(--gold); border:1px solid rgba(255,215,0,.25); }
.badge-completed { background:rgba(0,212,255,.1); color:var(--cyan); border:var(--border-cyan); }
.badge-cancelled { background:rgba(255,45,120,.1); color:var(--pink); border:1px solid rgba(255,45,120,.25); }
.badge-confirmed { background:rgba(0,230,118,.12); color:#00e676; border:1px solid rgba(0,230,118,.3); }
.badge-installed { background:rgba(0,230,118,.12); color:#00e676; border:1px solid rgba(0,230,118,.3); }
.badge-shipped { background:rgba(0,212,255,.1); color:var(--cyan); border:var(--border-cyan); }
.badge-delivered { background:rgba(123,47,255,.12); color:var(--purple); border:1px solid rgba(123,47,255,.28); }

/* Calendar */
.cal-grid { display:grid; grid-template-columns:repeat(7,1fr); gap:.35rem; }
.cal-header .cal-cell { font-family:var(--font-heading); font-size:.55rem; letter-spacing:1.5px; text-transform:uppercase; color:var(--text-muted); padding:.5rem 0; text-align:center; }
.cal-cell {
  aspect-ratio:1;
  display:flex; align-items:center; justify-content:center;
  border-radius:8px; font-size:.82rem; cursor:pointer;
  transition:background .2s, color .2s;
  position:relative;
}
.cal-cell:hover { background:rgba(0,212,255,.1); color:var(--cyan); }
.cal-cell.today { background:rgba(0,212,255,.15); color:var(--cyan); font-weight:700; border:var(--border-cyan); }
.cal-cell.selected { background:var(--grad-main); color:#fff; font-weight:700; }
.cal-cell.has-lesson::after {
  content:''; position:absolute; bottom:3px; left:50%; transform:translateX(-50%);
  width:4px; height:4px; border-radius:50%; background:var(--cyan);
}
.cal-cell.other-month { color:rgba(255,255,255,.2); }

/* Time Slots */
.time-slots-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(90px,1fr)); gap:.6rem; }
.time-slot {
  padding:.55rem .5rem; text-align:center;
  background:rgba(0,212,255,.05);
  border:var(--border-cyan); border-radius:8px;
  font-size:.78rem; cursor:pointer;
  transition:background .2s, color .2s, transform .2s;
}
.time-slot:hover { background:rgba(0,212,255,.15); color:var(--cyan); transform:translateY(-2px); }
.time-slot.booked { background:rgba(255,255,255,.03); border-color:rgba(255,255,255,.08); color:var(--text-muted); cursor:not-allowed; text-decoration:line-through; }
.time-slot.selected { background:var(--grad-main); color:#fff; border-color:transparent; }

/* Teacher Cards */
.teacher-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:1.5rem; }
.teacher-card {
  background:var(--bg-card); border:var(--border-cyan); border-radius:14px;
  padding:1.8rem; text-align:center;
  transition:transform .3s, box-shadow .3s;
  position:relative; overflow:hidden; cursor:pointer;
}
.teacher-card:hover { transform:translateY(-6px); box-shadow:0 18px 50px rgba(0,212,255,.12); }
.teacher-card.selected-teacher { border-color:var(--cyan); box-shadow:0 0 30px rgba(0,212,255,.2); }
.teacher-card.selected-teacher::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:var(--grad-main); }
.teacher-avatar {
  width:72px; height:72px; border-radius:50%; margin:0 auto 1rem;
  background:var(--grad-main);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-heading); font-size:1.3rem; font-weight:900; color:#fff;
}
.teacher-name { font-family:var(--font-heading); font-size:.9rem; font-weight:700; margin-bottom:.3rem; }
.teacher-specialty { font-size:.78rem; color:var(--cyan); margin-bottom:.6rem; }
.teacher-bio { font-size:.8rem; color:var(--text-muted); line-height:1.6; margin-bottom:1rem; }
.teacher-rating { display:flex; align-items:center; justify-content:center; gap:.3rem; font-family:var(--font-heading); font-size:.78rem; color:var(--gold); }
.teacher-select-btn {
  margin-top:1rem; width:100%;
  padding:.6rem; border-radius:7px;
  background:rgba(0,212,255,.08); border:var(--border-cyan);
  color:var(--cyan); font-family:var(--font-heading); font-size:.6rem;
  letter-spacing:1.5px; text-transform:uppercase; cursor:pointer;
  transition:background .2s;
}
.teacher-select-btn:hover { background:rgba(0,212,255,.18); }
.teacher-select-btn.selected-btn { background:var(--grad-main); color:#fff; border-color:transparent; }

/* VR Content Grid */
.vr-content-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:1.2rem; }
.vr-card {
  background:var(--bg-card); border:var(--border-cyan); border-radius:14px;
  overflow:hidden; transition:transform .3s, box-shadow .3s; cursor:pointer;
}
.vr-card:hover { transform:translateY(-5px); box-shadow:0 15px 45px rgba(0,212,255,.12); }
.vr-card-thumb {
  height:120px; background:linear-gradient(135deg,rgba(0,212,255,.08),rgba(123,47,255,.08));
  display:flex; align-items:center; justify-content:center; position:relative;
  overflow:hidden;
}
.vr-card-thumb-icon { font-size:2.8rem; }
.vr-card-thumb-glow {
  position:absolute; inset:0;
  background:radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0,212,255,.1), transparent);
}
.vr-card-body { padding:1rem; }
.vr-card-category { font-family:var(--font-heading); font-size:.52rem; letter-spacing:2px; text-transform:uppercase; color:var(--cyan); margin-bottom:.4rem; }
.vr-card-title { font-family:var(--font-heading); font-size:.8rem; font-weight:700; margin-bottom:.3rem; }
.vr-card-desc { font-size:.75rem; color:var(--text-muted); line-height:1.55; }
.vr-card-meta { display:flex; gap:.8rem; margin-top:.7rem; padding-top:.7rem; border-top:var(--border-faint); }
.vr-card-meta span { font-size:.68rem; color:var(--text-muted); display:flex; align-items:center; gap:.3rem; }

/* Offline Content */
.offline-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:1.2rem; }
.offline-card {
  background:var(--bg-card); border:var(--border-faint); border-radius:12px;
  padding:1.2rem; display:flex; gap:1rem; align-items:flex-start;
  transition:border-color .2s, background .2s; cursor:pointer;
}
.offline-card:hover { border-color:rgba(0,212,255,.25); background:var(--bg-card-hover); }
.offline-icon {
  width:44px; height:44px; border-radius:10px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem;
}
.offline-icon.podcast { background:rgba(0,212,255,.1); }
.offline-icon.anim { background:rgba(123,47,255,.1); }
.offline-icon.cartoon { background:rgba(255,215,0,.08); }
.offline-card-title { font-family:var(--font-heading); font-size:.75rem; font-weight:700; margin-bottom:.3rem; }
.offline-card-meta { font-size:.72rem; color:var(--text-muted); }

/* Homework */
.hw-list { display:flex; flex-direction:column; gap:1rem; }
.hw-item {
  background:var(--bg-card); border:var(--border-cyan); border-radius:12px;
  padding:1.4rem; display:flex; gap:1.5rem; align-items:flex-start;
  transition:box-shadow .2s;
}
.hw-item:hover { box-shadow:0 8px 30px rgba(0,212,255,.08); }
.hw-status-dot {
  width:12px; height:12px; border-radius:50%; flex-shrink:0; margin-top:4px;
  background:var(--gold); box-shadow:var(--glow-gold);
}
.hw-status-dot.done { background:var(--green); box-shadow:0 0 12px rgba(0,230,118,.4); }
.hw-title { font-family:var(--font-heading); font-size:.82rem; font-weight:700; margin-bottom:.4rem; }
.hw-desc { font-size:.82rem; color:var(--text-secondary); line-height:1.65; margin-bottom:.7rem; }
.hw-meta { display:flex; gap:1rem; flex-wrap:wrap; }
.hw-meta span { font-size:.72rem; color:var(--text-muted); display:flex; align-items:center; gap:.3rem; }
.hw-submit-btn {
  margin-top:.8rem; padding:.5rem 1.2rem;
  background:rgba(0,212,255,.08); border:var(--border-cyan);
  border-radius:7px; color:var(--cyan);
  font-family:var(--font-heading); font-size:.6rem; letter-spacing:1.5px;
  text-transform:uppercase; cursor:pointer; transition:background .2s;
}
.hw-submit-btn:hover { background:rgba(0,212,255,.18); }
.hw-submit-btn.submitted { background:rgba(0,230,118,.08); border-color:rgba(0,230,118,.25); color:var(--green); cursor:default; }

/* Profile Section */
.profile-grid { display:grid; grid-template-columns:1fr 2fr; gap:2rem; align-items:start; }
.profile-avatar-wrap { text-align:center; }
.profile-avatar {
  width:100px; height:100px; border-radius:50%; margin:0 auto 1rem;
  background:var(--grad-main);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-heading); font-size:2rem; font-weight:900; color:#fff;
  box-shadow:0 0 30px rgba(0,212,255,.2);
}
.profile-name { font-family:var(--font-heading); font-size:1.1rem; font-weight:800; margin-bottom:.3rem; }
.profile-email { font-size:.82rem; color:var(--text-muted); }
.profile-badge {
  display:inline-block; margin-top:.8rem;
  background:var(--grad-main); color:#fff;
  font-family:var(--font-heading); font-size:.6rem; letter-spacing:2px;
  padding:.35rem .9rem; border-radius:20px;
}
.profile-field { margin-bottom:1.2rem; }
.profile-field label { display:block; font-family:var(--font-heading); font-size:.58rem; letter-spacing:2px; text-transform:uppercase; color:var(--text-muted); margin-bottom:.4rem; }
.profile-field .pf-value { font-size:.9rem; color:var(--text-primary); padding:.7rem 1rem; background:rgba(255,255,255,.04); border:var(--border-faint); border-radius:8px; }

/* Cert Banner */
.cert-banner {
  padding:2rem; text-align:center;
  background:linear-gradient(135deg,rgba(0,212,255,.05),rgba(123,47,255,.05));
  border:var(--border-cyan); border-radius:14px; margin-top:1.5rem;
}
.cert-banner h4 { font-family:var(--font-heading); font-size:1rem; font-weight:700; color:var(--gold); margin-bottom:.5rem; }
.cert-banner p { font-size:.85rem; color:var(--text-secondary); line-height:1.65; }

/* Schedule */
.schedule-week { display:grid; grid-template-columns:repeat(7,1fr); gap:.5rem; }
.schedule-day { background:var(--bg-card); border:var(--border-faint); border-radius:10px; padding:.7rem .4rem; text-align:center; min-height:140px; }
.schedule-day-name { font-family:var(--font-heading); font-size:.52rem; letter-spacing:1.5px; text-transform:uppercase; color:var(--text-muted); margin-bottom:.3rem; }
.schedule-day-num { font-family:var(--font-heading); font-size:.95rem; font-weight:700; color:var(--text-primary); margin-bottom:.5rem; }
.schedule-day.today-col { border-color:rgba(0,212,255,.3); background:rgba(0,212,255,.04); }
.schedule-day.today-col .schedule-day-num { color:var(--cyan); text-shadow:var(--glow-cyan); }
.schedule-lesson {
  background:rgba(0,212,255,.1); border:1px solid rgba(0,212,255,.25);
  border-radius:6px; padding:.35rem .4rem; margin-bottom:.3rem; cursor:pointer;
  transition:background .2s;
}
.schedule-lesson:hover { background:rgba(0,212,255,.2); }
.schedule-lesson-time { font-size:.62rem; color:var(--cyan); font-family:var(--font-heading); }
.schedule-lesson-name { font-size:.65rem; color:var(--text-secondary); }

/* Delivery tracker */
.delivery-steps { display:flex; gap:0; margin:1.5rem 0; }
.delivery-step { flex:1; text-align:center; position:relative; }
.delivery-step::before {
  content:''; position:absolute;
  top:16px; right:-50%;
  width:100%; height:2px;
  background:rgba(255,255,255,.1); z-index:0;
}
.delivery-step:last-child::before { display:none; }
.delivery-step.done::before { background:var(--cyan); }
.delivery-dot {
  width:32px; height:32px; border-radius:50%;
  border:2px solid rgba(255,255,255,.15);
  background:var(--bg-primary);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto .6rem; position:relative; z-index:1;
  font-size:.7rem;
}
.delivery-step.done .delivery-dot { border-color:var(--cyan); background:rgba(0,212,255,.15); color:var(--cyan); box-shadow:var(--glow-cyan); }
.delivery-step.current .delivery-dot { border-color:var(--gold); background:rgba(255,215,0,.1); color:var(--gold); box-shadow:var(--glow-gold); animation:pulse-glow 2s infinite; }
.delivery-step-label { font-size:.65rem; color:var(--text-muted); font-family:var(--font-heading); letter-spacing:.5px; }
.delivery-step.done .delivery-step-label { color:var(--cyan); }
.delivery-step.current .delivery-step-label { color:var(--gold); }

/* Responsive */
@media (max-width:900px) {
  .db-sidebar { position:fixed; left:0; top:0; z-index:100; transform:translateX(-100%); }
  .db-sidebar.open { transform:translateX(0); }
  .db-sidebar-close { display:block; }
  .db-menu-btn { display:flex; }
  .profile-grid { grid-template-columns:1fr; }
  .schedule-week { grid-template-columns:repeat(auto-fill,minmax(100px,1fr)); }
}
@media (max-width:600px) {
  .db-content { padding:1.2rem; }
  .db-stats-row { grid-template-columns:repeat(2,1fr); }
  .teacher-grid { grid-template-columns:1fr; }
  .vr-content-grid { grid-template-columns:1fr 1fr; }
  .cal-grid { gap:.2rem; }
}
@keyframes pulse-glow {
  0%,100% { opacity:.6; transform:scale(1); }
  50% { opacity:1; transform:scale(1.05); }
}

/* ============================================================
   PD AI — Student Dashboard Widget styles
   Inherits shared pdai-* from main.css; overrides for dashboard context
   ============================================================ */

/* Shared keyframes needed on dashboard (main.css not loaded here) */
@keyframes blink-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(.85); }
}
@keyframes pdai-fadein {
  from { opacity:0; transform:translateY(6px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes pdai-bounce {
  0%,80%,100% { transform:translateY(0); }
  40%         { transform:translateY(-5px); }
}

.pdai-widget {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 9990;
  font-family: 'Space Grotesk', sans-serif;
}
.pdai-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
  box-shadow: 0 0 22px rgba(0,212,255,.55), 0 0 44px rgba(0,212,255,.18);
  cursor: pointer;
  position: relative;
  transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
  outline: none;
}
.pdai-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 0 32px rgba(0,212,255,.75), 0 0 60px rgba(123,47,255,.35);
}
.pdai-toggle-icon { font-size:22px; color:#fff; line-height:1; display:block; }
.pdai-toggle-label {
  font-family: 'Orbitron', sans-serif;
  font-size: 8px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .08em;
  line-height: 1;
}
.pdai-badge {
  position: absolute;
  top: 4px; right: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #ff2d78;
  border: 2px solid #000208;
  display: none;
  animation: blink-dot 1.4s ease-in-out infinite;
}
.pdai-badge.visible { display:block; }

.pdai-panel {
  position: absolute;
  bottom: 76px; left: 0;
  width: 360px; height: 500px;
  background: rgba(4,6,28,.97);
  border: 1px solid rgba(0,212,255,.28);
  border-radius: 20px;
  box-shadow: 0 8px 48px rgba(0,0,0,.7), 0 0 40px rgba(0,212,255,.1);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(16px) scale(.96);
  opacity: 0;
  pointer-events: none;
  transition: transform .32s cubic-bezier(.34,1.4,.64,1), opacity .28s ease;
  transform-origin: bottom left;
}
.pdai-panel.open { transform:translateY(0) scale(1); opacity:1; pointer-events:all; }

.pdai-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(0,212,255,.15) 0%, rgba(123,47,255,.15) 100%);
  border-bottom: 1px solid rgba(0,212,255,.18);
  flex-shrink: 0;
}
.pdai-header-info { display:flex; align-items:center; gap:12px; }
.pdai-avatar {
  width:38px; height:38px; border-radius:50%;
  background: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; color:#fff; flex-shrink:0;
  box-shadow: 0 0 14px rgba(0,212,255,.4);
  animation: pulse-glow 2.6s ease-in-out infinite;
}
.pdai-name {
  font-family:'Orbitron',sans-serif; font-size:13px; font-weight:700;
  color:#fff; letter-spacing:.06em;
}
.pdai-status {
  display:flex; align-items:center; gap:6px;
  font-size:11px; color:rgba(255,255,255,.55); margin-top:2px;
}
.pdai-dot {
  width:7px; height:7px; border-radius:50%; background:#00e676;
  display:inline-block; animation:blink-dot 2s ease-in-out infinite;
}
.pdai-close {
  background:none; border:none; color:rgba(255,255,255,.45);
  font-size:16px; cursor:pointer; padding:4px 6px; border-radius:6px;
  transition:color .2s, background .2s; line-height:1;
}
.pdai-close:hover { color:#fff; background:rgba(255,255,255,.08); }

.pdai-messages {
  flex:1; overflow-y:auto; padding:16px 14px;
  display:flex; flex-direction:column; gap:10px;
  scrollbar-width:thin; scrollbar-color:rgba(0,212,255,.25) transparent;
}
.pdai-messages::-webkit-scrollbar { width:4px; }
.pdai-messages::-webkit-scrollbar-track { background:transparent; }
.pdai-messages::-webkit-scrollbar-thumb { background:rgba(0,212,255,.25); border-radius:2px; }

.pdai-msg { display:flex; flex-direction:column; max-width:86%; animation:pdai-fadein .3s ease forwards; }
.pdai-msg.bot { align-self:flex-start; }
.pdai-msg.user { align-self:flex-end; }
.pdai-bubble { padding:10px 14px; border-radius:14px; font-size:13px; line-height:1.55; word-break:break-word; }
.pdai-msg.bot .pdai-bubble {
  background:rgba(123,47,255,.14); border:1px solid rgba(123,47,255,.3);
  color:rgba(255,255,255,.9); border-bottom-left-radius:4px;
}
.pdai-msg.user .pdai-bubble {
  background:rgba(0,212,255,.12); border:1px solid rgba(0,212,255,.3);
  color:rgba(255,255,255,.9); border-bottom-right-radius:4px;
}
.pdai-msg-time { font-size:10px; color:rgba(255,255,255,.3); margin-top:4px; padding:0 4px; }
.pdai-msg.user .pdai-msg-time { text-align:right; }

.pdai-typing {
  display:flex; align-items:center; gap:5px; padding:10px 14px;
  background:rgba(123,47,255,.1); border:1px solid rgba(123,47,255,.2);
  border-radius:14px; border-bottom-left-radius:4px;
  align-self:flex-start; animation:pdai-fadein .25s ease forwards;
}
.pdai-typing span {
  width:6px; height:6px; border-radius:50%; background:rgba(0,212,255,.7);
  animation:pdai-bounce 1.1s ease-in-out infinite;
}
.pdai-typing span:nth-child(2) { animation-delay:.18s; }
.pdai-typing span:nth-child(3) { animation-delay:.36s; }

.pdai-chips { display:flex; flex-wrap:wrap; gap:6px; padding:0 14px 10px; flex-shrink:0; }
.pdai-chip {
  background:rgba(0,212,255,.07); border:1px solid rgba(0,212,255,.22);
  color:rgba(0,212,255,.85); border-radius:20px; padding:5px 12px;
  font-size:11.5px; font-family:'Space Grotesk',sans-serif;
  cursor:pointer; transition:background .2s, border-color .2s, color .2s; white-space:nowrap;
}
.pdai-chip:hover { background:rgba(0,212,255,.16); border-color:rgba(0,212,255,.5); color:#00d4ff; }

.pdai-input-area {
  display:flex; align-items:center; gap:8px; padding:12px 14px;
  border-top:1px solid rgba(0,212,255,.12); flex-shrink:0;
}
.pdai-input {
  flex:1; background:rgba(255,255,255,.05);
  border:1px solid rgba(0,212,255,.2); border-radius:10px;
  padding:9px 12px; color:#fff; font-size:13px;
  font-family:'Space Grotesk',sans-serif; outline:none; transition:border-color .2s;
}
.pdai-input::placeholder { color:rgba(255,255,255,.3); }
.pdai-input:focus { border-color:rgba(0,212,255,.5); }
.pdai-send {
  width:38px; height:38px; border-radius:10px; border:none;
  background:linear-gradient(135deg,#00d4ff 0%,#7b2fff 100%);
  color:#fff; font-size:15px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:transform .2s, box-shadow .2s; flex-shrink:0;
}
.pdai-send:hover { transform:scale(1.08); box-shadow:0 0 14px rgba(0,212,255,.4); }

@media (max-width:480px) {
  .pdai-widget { bottom:16px; left:12px; }
  .pdai-panel  { width:calc(100vw - 24px); left:0; }
}