/* ============================================================
   VoiceVault — Design System
   Premium dark UI with glassmorphism & fluid animations
   ============================================================ */

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

:root {
  --bg:            #09090b;
  --surface-1:     #111116;
  --surface-2:     #18181f;
  --surface-3:     #222230;
  --border:        rgba(255,255,255,0.07);
  --border-bright: rgba(255,255,255,0.13);

  --primary:       #7c3aed;
  --primary-h:     #6d28d9;
  --primary-glow:  rgba(124,58,237,0.35);
  --primary-subtle:rgba(124,58,237,0.12);
  --accent:        #a78bfa;
  --accent-2:      #c4b5fd;

  --text-1: #f4f4f8;
  --text-2: #a1a1b5;
  --text-3: #5f5f78;

  --success: #22c55e;
  --warning: #f59e0b;
  --danger:  #ef4444;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  22px;
  --radius-full:9999px;

  --sidebar-w: 256px;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ── Animated Background Orbs ────────────────────────────── */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: drift 20s ease-in-out infinite;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #7c3aed, #4f1d96);
  top: -200px; left: -100px;
  animation-duration: 22s;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #2563eb, #1e40af);
  bottom: -100px; right: -80px;
  animation-duration: 28s;
  animation-delay: -8s;
}
.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #db2777, #9d174d);
  top: 40%; left: 50%;
  animation-duration: 18s;
  animation-delay: -14s;
  opacity: 0.10;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -60px) scale(1.05); }
  66%       { transform: translate(-30px, 40px) scale(0.97); }
}

/* ── App Shell ───────────────────────────────────────────── */
.app {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: rgba(17,17,22,0.85);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}
.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--primary-glow);
}
.logo-icon svg { width: 18px; height: 18px; color: #fff; }
.logo-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-1);
}
.logo-tagline {
  display: block;
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-nav {
  padding: 10px 10px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; }
.nav-item:hover { background: rgba(255,255,255,0.06); color: var(--text-1); }
.nav-item.active {
  background: var(--primary-subtle);
  color: var(--accent);
}
.nav-item.active svg { color: var(--primary); }

.sidebar-section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 14px 18px 6px;
}

#sidebar-kb-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-3) transparent;
}
.sidebar-kb-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-2);
  font-size: 12.5px;
  font-weight: 500;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-kb-item:hover { background: rgba(255,255,255,0.05); color: var(--text-1); }
.kb-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.kb-dot.protected { background: var(--warning); }
.sidebar-kb-empty {
  font-size: 12px;
  color: var(--text-3);
  padding: 8px 10px;
  font-style: italic;
}

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.version-badge {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--mono);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.4; }
}

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

.view {
  display: flex;
  flex-direction: column;
  height: 100%;
  animation: fadeIn 0.2s var(--ease);
}
.view.hidden { display: none; }

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

/* ── View Header ─────────────────────────────────────────── */
.view-header {
  padding: 20px 28px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
  background: rgba(9,9,11,0.6);
  backdrop-filter: blur(12px);
}
.view-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-1);
}
.view-subtitle {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 1px;
}

/* ── Ask View ────────────────────────────────────────────── */
#view-ask {
  display: grid;
  grid-template-rows: 1fr auto;
  height: 100%;
}

.chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-3) transparent;
}

.chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  color: var(--text-3);
  padding: 60px 40px;
}
.chat-empty-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-xl);
  background: var(--primary-subtle);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.chat-empty-icon svg { width: 26px; height: 26px; color: var(--accent); }
.chat-empty h3 { font-size: 16px; font-weight: 600; color: var(--text-2); }
.chat-empty p  { font-size: 13px; max-width: 300px; }

.message {
  display: flex;
  gap: 12px;
  animation: msgIn 0.25s var(--ease);
  max-width: 820px;
  width: 100%;
}
.message.user { align-self: flex-end; flex-direction: row-reverse; }
.message.assistant { align-self: flex-start; }

@keyframes msgIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.message.user .msg-avatar {
  background: linear-gradient(135deg, var(--primary), #a855f7);
  color: #fff;
}
.message.assistant .msg-avatar {
  background: var(--surface-3);
  color: var(--accent);
}
.msg-avatar svg { width: 16px; height: 16px; }

.msg-bubble {
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  line-height: 1.65;
  max-width: calc(100% - 48px);
}
.message.user .msg-bubble {
  background: linear-gradient(135deg, var(--primary), #6d28d9);
  color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}
.message.assistant .msg-bubble {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-1);
  border-bottom-left-radius: var(--radius-sm);
}
.msg-bubble p { margin: 0; }
.msg-bubble p + p { margin-top: 8px; }

/* Citations inside answer bubble */
.citations-inline {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.citation-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  border: 1px solid rgba(124,58,237,0.25);
  font-size: 11.5px;
  color: var(--accent-2);
  font-family: var(--mono);
  cursor: pointer;
  transition: background 0.12s;
}
.citation-chip:hover { background: rgba(124,58,237,0.2); }
.citation-chip svg { width: 12px; height: 12px; }

.confidence-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 8px;
  padding-top: 6px;
}
.confidence-dot {
  width: 7px; height: 7px; border-radius: 50%;
}
.confidence-dot.high   { background: var(--success); }
.confidence-dot.medium { background: var(--warning); }
.confidence-dot.low    { background: var(--danger); }

/* Typing indicator */
.typing-indicator {
  display: flex; align-items: center; gap: 4px;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-sm);
  width: fit-content;
}
.typing-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%,80%,100% { transform: translateY(0); opacity: 0.4; }
  40%          { transform: translateY(-6px); opacity: 1; }
}

/* ── Input Area ──────────────────────────────────────────── */
.input-area {
  border-top: 1px solid var(--border);
  background: rgba(9,9,11,0.8);
  backdrop-filter: blur(16px);
  padding: 16px 24px 20px;
  flex-shrink: 0;
}

/* KB chips selector */
.kb-selector-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.kb-selector-label {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.kb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.kb-chip {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-bright);
  background: transparent;
  color: var(--text-2);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s var(--ease);
  font-family: var(--font);
  white-space: nowrap;
}
.kb-chip:hover { border-color: var(--accent); color: var(--accent); }
.kb-chip.selected {
  background: var(--primary-subtle);
  border-color: var(--primary);
  color: var(--accent-2);
  font-weight: 500;
}
.kb-chips-empty {
  font-size: 12px;
  color: var(--text-3);
  font-style: italic;
}

/* Text + controls row */
.input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.input-field-wrap {
  flex: 1;
  position: relative;
}
#query-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  color: var(--text-1);
  font-size: 14px;
  font-family: var(--font);
  resize: none;
  outline: none;
  min-height: 48px;
  max-height: 120px;
  transition: border-color 0.15s;
  line-height: 1.5;
}
#query-input::placeholder { color: var(--text-3); }
#query-input:focus { border-color: var(--primary); }

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

/* Mic button */
.mic-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 2px solid var(--border-bright);
  background: var(--surface-2);
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  flex-shrink: 0;
  position: relative;
  overflow: visible;
}
.mic-btn svg { width: 20px; height: 20px; transition: color 0.15s; }
.mic-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--primary-subtle); }
.mic-btn.recording {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(239,68,68,0.12);
  animation: micPulse 1.5s ease-in-out infinite;
}
@keyframes micPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50%      { box-shadow: 0 0 0 10px rgba(239,68,68,0); }
}

/* Send button */
.send-btn {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  border: none;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 0 20px var(--primary-glow);
}
.send-btn svg { width: 20px; height: 20px; }
.send-btn:hover { background: var(--primary-h); transform: translateY(-1px); box-shadow: 0 4px 24px var(--primary-glow); }
.send-btn:active { transform: translateY(0); }
.send-btn:disabled { background: var(--surface-3); color: var(--text-3); cursor: not-allowed; box-shadow: none; }

/* TTS button */
.tts-btn {
  padding: 0 14px;
  height: 48px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-bright);
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: all 0.15s;
  white-space: nowrap;
}
.tts-btn svg { width: 16px; height: 16px; }
.tts-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Recording status bar */
.recording-status {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--danger);
  margin-top: 8px;
  font-weight: 500;
}
.recording-status.show { display: flex; }
.rec-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--danger);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.transcribing-status {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--accent);
  margin-top: 8px;
}
.transcribing-status.show { display: flex; }
.transcribing-spinner {
  width: 12px; height: 12px;
  border: 2px solid rgba(167,139,250,0.3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── KB View ─────────────────────────────────────────────── */
#view-kbs {
  overflow: hidden;
}
.kbs-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-3) transparent;
}

.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 4px;
}
.kb-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
}
.kb-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), #a855f7);
  opacity: 0;
  transition: opacity 0.2s;
}
.kb-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.kb-card:hover::before { opacity: 1; }

.kb-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}
.kb-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.2px;
}
.kb-card-slug {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--mono);
  margin-top: 2px;
}
.kb-lock-badge {
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10.5px;
  font-weight: 600;
  background: rgba(245,158,11,0.15);
  color: var(--warning);
  border: 1px solid rgba(245,158,11,0.25);
  white-space: nowrap;
}
.kb-public-badge {
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10.5px;
  font-weight: 600;
  background: rgba(34,197,94,0.1);
  color: var(--success);
  border: 1px solid rgba(34,197,94,0.2);
}

.kb-card-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
}
.kb-stat {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.kb-stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.5px;
}
.kb-stat-label {
  font-size: 10.5px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.kb-card-actions {
  display: flex;
  gap: 8px;
}
.kb-action-btn {
  flex: 1;
  padding: 7px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-bright);
  background: transparent;
  color: var(--text-2);
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.12s;
  display: flex; align-items: center; justify-content: center; gap: 5px;
}
.kb-action-btn svg { width: 13px; height: 13px; }
.kb-action-btn:hover { background: rgba(255,255,255,0.06); color: var(--text-1); border-color: var(--border-bright); }
.kb-action-btn.danger:hover { background: rgba(239,68,68,0.1); color: var(--danger); border-color: rgba(239,68,68,0.3); }

.kb-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 40px;
  text-align: center;
  color: var(--text-3);
}
.kb-empty-state svg { width: 40px; height: 40px; color: var(--surface-3); }
.kb-empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text-2); }

/* ── Analytics View ──────────────────────────────────────── */
.analytics-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-3) transparent;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: border-color 0.15s;
}
.stat-card:hover { border-color: var(--border-bright); }
.stat-card-value {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text-1);
  margin-bottom: 4px;
}
.stat-card-label {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.stat-card-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--primary-subtle);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.stat-card-icon svg { width: 18px; height: 18px; color: var(--accent); }

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* Daily chart */
.day-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 100px;
  padding: 0 4px;
  margin-bottom: 28px;
}
.day-bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.day-bar {
  width: 100%;
  background: linear-gradient(to top, var(--primary), #a855f7);
  border-radius: 3px 3px 0 0;
  min-height: 3px;
  transition: height 0.5s var(--ease-spring);
}
.day-label {
  font-size: 10px;
  color: var(--text-3);
  font-family: var(--mono);
}

/* KB Table */
.analytics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.analytics-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 1px solid var(--border);
}
.analytics-table td {
  padding: 11px 12px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
}
.analytics-table tr:last-child td { border-bottom: none; }
.analytics-table tr:hover td { background: rgba(255,255,255,0.02); color: var(--text-1); }
.analytics-table td:first-child { color: var(--text-1); font-weight: 500; }

/* ── Modals ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: overlayIn 0.15s var(--ease);
}
.modal-overlay.hidden { display: none; }

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--surface-1);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 440px;
  max-width: 90vw;
  animation: modalIn 0.2s var(--ease-spring);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.modal.hidden { display: none; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.modal-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.modal-close {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.12s;
}
.modal-close:hover { background: var(--surface-3); color: var(--text-1); }
.modal-close svg { width: 16px; height: 16px; }

/* Form elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 4px;
}
.form-label .optional {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 400;
}
.form-input {
  background: var(--surface-2);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-1);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.form-input::placeholder { color: var(--text-3); }
.form-input:focus { border-color: var(--primary); }
.form-hint {
  font-size: 11.5px;
  color: var(--text-3);
  line-height: 1.4;
}

/* File drop zone */
.file-drop-zone {
  border: 2px dashed var(--border-bright);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--text-3);
  position: relative;
}
.file-drop-zone:hover { border-color: var(--primary); color: var(--text-2); }
.file-drop-zone.drag-over { border-color: var(--primary); background: var(--primary-subtle); }
.file-drop-zone input[type=file] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer;
}
.file-drop-icon svg { width: 28px; height: 28px; margin-bottom: 8px; color: var(--text-3); }
.file-drop-text { font-size: 13px; margin-bottom: 4px; }
.file-drop-hint { font-size: 11.5px; color: var(--text-3); }
.file-list { margin-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.file-item {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-2);
}
.file-item svg { width: 13px; height: 13px; color: var(--accent); }

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  justify-content: flex-end;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  padding: 9px 18px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.15s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 20px var(--primary-glow);
}
.btn-primary:hover { background: var(--primary-h); transform: translateY(-1px); box-shadow: 0 4px 24px var(--primary-glow); }
.btn-primary:active { transform: none; }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border-bright);
}
.btn-secondary:hover { background: var(--surface-3); color: var(--text-1); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-1); }

.btn-danger {
  background: rgba(239,68,68,0.12);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.25);
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── Toasts ──────────────────────────────────────────────── */
#toasts {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-1);
  pointer-events: auto;
  backdrop-filter: blur(16px);
  animation: toastIn 0.3s var(--ease-spring);
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-bright);
}
.toast svg { width: 16px; height: 16px; flex-shrink: 0; }
.toast.success { background: rgba(34,197,94,0.15); border-color: rgba(34,197,94,0.3); color: #86efac; }
.toast.error   { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.3); color: #fca5a5; }
.toast.info    { background: rgba(124,58,237,0.15); border-color: rgba(124,58,237,0.3); color: var(--accent-2); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Loading Spinner ─────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

/* ── Scrollbars ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-bright); }

/* ── Upload Progress ─────────────────────────────────────── */
.upload-progress {
  display: none;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}
.upload-progress.show { display: flex; }
.upload-report-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  background: var(--surface-2);
}
.upload-report-item.success { border-left: 3px solid var(--success); color: var(--text-2); }
.upload-report-item.error   { border-left: 3px solid var(--danger); color: var(--text-2); }
.upload-report-item.skip    { border-left: 3px solid var(--warning); color: var(--text-2); }

/* ── Waveform / Mic Animation ────────────────────────────── */
.waveform {
  display: none;
  align-items: center;
  gap: 3px;
  height: 20px;
  margin-right: 2px;
}
.waveform.show { display: flex; }
.wave-bar {
  width: 3px;
  height: 4px;
  background: var(--danger);
  border-radius: 2px;
  animation: waveAnim 0.8s ease-in-out infinite;
}
.wave-bar:nth-child(2) { animation-delay: 0.1s; height: 10px; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; height: 16px; }
.wave-bar:nth-child(4) { animation-delay: 0.3s; height: 10px; }
.wave-bar:nth-child(5) { animation-delay: 0.4s; height: 4px; }
@keyframes waveAnim {
  0%,100% { transform: scaleY(1); }
  50%      { transform: scaleY(2.5); }
}