/* ============================================================
   KANDJA — Design System CSS
   Stack: Bootstrap 5.3 + Custom CSS
   Author: Kandja
   ============================================================ */

/* ---- CSS Variables / Tokens ---- */
:root {
  --kd-primary: #4F5BD5;
  --kd-primary-light: #6B7ADE;
  --kd-primary-dark: #3A45B8;
  --kd-primary-alpha: rgba(79, 91, 213, 0.12);
  --kd-primary-alpha-hover: rgba(79, 91, 213, 0.18);

  --kd-bg: #F4F5FB;
  --kd-bg-main: #FFFFFF;
  --kd-bg-sidebar: #FFFFFF;
  --kd-bg-card: #FFFFFF;
  --kd-bg-input: #FFFFFF;
  --kd-bg-panel: #FFFFFF;
  --kd-bg-hover: #F0F1FA;
  --kd-bg-modal: rgba(10,10,30,0.45);

  --kd-text-primary: #1A1D3A;
  --kd-text-secondary: #5A5F8A;
  --kd-text-muted: #9496B8;
  --kd-text-inverse: #FFFFFF;

  --kd-border: rgba(79, 91, 213, 0.12);
  --kd-border-strong: rgba(79, 91, 213, 0.22);
  --kd-shadow-sm: 0 1px 4px rgba(79,91,213,0.08);
  --kd-shadow-md: 0 4px 20px rgba(79,91,213,0.10);
  --kd-shadow-lg: 0 8px 40px rgba(79,91,213,0.14);

  --kd-sidebar-w: 64px;
  --kd-radius-sm: 10px;
  --kd-radius-md: 16px;
  --kd-radius-lg: 24px;
  --kd-radius-pill: 100px;

  --kd-font-display: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --kd-font-body: 'Inter', system-ui, sans-serif;

  --kd-transition: 0.22s cubic-bezier(.4,0,.2,1);
}

/* Dark theme */
[data-theme="dark"] {
  --kd-bg: #0F1023;
  --kd-bg-main: #141629;
  --kd-bg-sidebar: #0F1023;
  --kd-bg-card: #1C1F3A;
  --kd-bg-input: #1C1F3A;
  --kd-bg-panel: #1C1F3A;
  --kd-bg-hover: #232645;
  --kd-bg-modal: rgba(0,0,10,0.72);

  --kd-text-primary: #E8EAFF;
  --kd-text-secondary: #9096CC;
  --kd-text-muted: #5A5F90;
  --kd-text-inverse: #FFFFFF;

  --kd-border: rgba(255,255,255,0.07);
  --kd-border-strong: rgba(255,255,255,0.13);
  --kd-shadow-sm: 0 1px 4px rgba(0,0,0,0.24);
  --kd-shadow-md: 0 4px 20px rgba(0,0,0,0.32);
  --kd-shadow-lg: 0 8px 40px rgba(0,0,0,0.40);
}

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

html, body {
  height: 100%;
  font-family: var(--kd-font-body);
  background: var(--kd-bg);
  color: var(--kd-text-primary);
  font-size: 15px;
  line-height: 1.6;
  overflow: hidden;
  transition: background var(--kd-transition), color var(--kd-transition);
}

a { color: var(--kd-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; border: none; background: none; font-family: var(--kd-font-body); }
textarea { resize: none; }
::selection { background: var(--kd-primary-alpha); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--kd-border-strong); border-radius: 99px; }

/* ---- Layout ---- */
.kd-sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--kd-sidebar-w);
  background: var(--kd-bg-sidebar);
  border-right: 1px solid var(--kd-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  z-index: 100;
  transition: background var(--kd-transition), border var(--kd-transition);
}

.kd-sidebar-top, .kd-sidebar-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.kd-logo { margin-bottom: 16px; }
.kd-logo-icon {
  width: 40px; height: 40px;
  background: var(--kd-primary);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--kd-font-display);
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  letter-spacing: -1px;
}

.kd-sidebar-nav { display: flex; flex-direction: column; gap: 4px; }

.kd-nav-btn {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--kd-text-muted);
  transition: background var(--kd-transition), color var(--kd-transition);
}
.kd-nav-btn svg { width: 20px; height: 20px; }
.kd-nav-btn:hover, .kd-nav-btn.active {
  background: var(--kd-primary-alpha);
  color: var(--kd-primary);
}

.kd-avatar-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--kd-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: box-shadow var(--kd-transition), transform var(--kd-transition);
}
.kd-avatar-btn:hover {
  box-shadow: 0 0 0 3px var(--kd-primary-alpha);
  transform: scale(1.05);
}

/* Main area */
.kd-main {
  margin-left: var(--kd-sidebar-w);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--kd-bg);
  transition: background var(--kd-transition);
}

/* Top bar */
.kd-topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 24px;
  min-height: 60px;
  position: relative;
  z-index: 10;
}
.kd-topbar-right { display: flex; align-items: center; gap: 8px; }

.kd-icon-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--kd-text-secondary);
  transition: background var(--kd-transition), color var(--kd-transition);
  position: relative;
}
.kd-icon-btn:hover { background: var(--kd-bg-hover); color: var(--kd-primary); }

/* Theme icon toggle */
[data-theme="light"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; }

/* Language menu */
.kd-lang-picker { position: relative; }
.kd-lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--kd-bg-panel);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-radius-md);
  box-shadow: var(--kd-shadow-lg);
  padding: 6px;
  min-width: 170px;
  display: none;
  z-index: 200;
  animation: kd-dropdown-in 0.16s ease;
}
.kd-lang-menu.open { display: block; }
.kd-lang-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--kd-text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--kd-transition);
}
.kd-lang-menu button:hover { background: var(--kd-bg-hover); color: var(--kd-primary); }

/* ---- HOME VIEW ---- */
.kd-home {
  flex: 1;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 24px 40px;
}
.kd-home-inner {
  width: 100%;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.kd-greeting-wrap { text-align: center; }
.kd-greeting {
  font-family: var(--kd-font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--kd-primary);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
}
.kd-subtitle {
  color: var(--kd-text-secondary);
  font-size: 1rem;
  font-weight: 400;
}

/* Search wrap */
.kd-search-wrap { width: 100%; display: flex; flex-direction: column; gap: 14px; }

.kd-search-box {
  background: var(--kd-bg-card);
  border: 1.5px solid var(--kd-border);
  border-radius: var(--kd-radius-pill);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px 10px 16px;
  box-shadow: var(--kd-shadow-md);
  transition: border var(--kd-transition), box-shadow var(--kd-transition);
}
.kd-search-box:focus-within {
  border-color: var(--kd-primary);
  box-shadow: 0 0 0 3px var(--kd-primary-alpha), var(--kd-shadow-md);
}

.kd-search-attach {
  width: 32px; height: 32px;
  border-radius: 50%;
  color: var(--kd-text-muted);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: color var(--kd-transition);
}
.kd-search-attach:hover { color: var(--kd-primary); }

.kd-search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--kd-text-primary);
  font-family: var(--kd-font-body);
  font-size: 15px;
  outline: none;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.5;
}
.kd-search-input::placeholder { color: var(--kd-text-muted); }

.kd-search-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

/* Voice button */
.kd-voice-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--kd-text-muted);
  transition: all var(--kd-transition);
  position: relative;
  overflow: hidden;
}
.kd-voice-btn:hover { color: var(--kd-primary); background: var(--kd-primary-alpha); }
.kd-voice-btn.recording {
  color: #fff;
  background: #E74C3C;
  animation: kd-pulse 1.2s ease infinite;
}
.kd-voice-btn.recording .icon-mic { display: none; }
.kd-voice-btn .icon-mic { display: flex; }
.kd-voice-bars {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 2px;
  height: 18px;
}
.kd-voice-btn.recording .kd-voice-bars { display: flex; }
.kd-voice-bars span {
  width: 3px;
  background: #fff;
  border-radius: 99px;
  animation: kd-voice-bar 0.8s ease infinite;
}
.kd-voice-bars span:nth-child(1) { height: 6px; animation-delay: 0s; }
.kd-voice-bars span:nth-child(2) { height: 12px; animation-delay: 0.1s; }
.kd-voice-bars span:nth-child(3) { height: 16px; animation-delay: 0.2s; }
.kd-voice-bars span:nth-child(4) { height: 10px; animation-delay: 0.3s; }
.kd-voice-bars span:nth-child(5) { height: 6px; animation-delay: 0.4s; }

@keyframes kd-voice-bar {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}
@keyframes kd-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(231,76,60,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(231,76,60,0); }
}

/* Send button */
.kd-send-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--kd-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--kd-transition);
  flex-shrink: 0;
}
.kd-send-btn:hover { background: var(--kd-primary-dark); transform: scale(1.05); }
.kd-send-btn:active { transform: scale(0.96); }

/* Quick topics */
.kd-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.kd-topic-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--kd-radius-pill);
  border: 1.5px solid var(--kd-border);
  background: var(--kd-bg-card);
  color: var(--kd-text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--kd-transition);
}
.kd-topic-pill:hover {
  border-color: var(--kd-primary);
  color: var(--kd-primary);
  background: var(--kd-primary-alpha);
}
.kd-topic-pill svg { color: var(--kd-primary); flex-shrink: 0; }

/* ---- Feature Cards ---- */
.kd-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  width: 100%;
}

.kd-card {
  background: var(--kd-bg-card);
  border: 1.5px solid var(--kd-border);
  border-radius: var(--kd-radius-md);
  padding: 22px 20px;
  cursor: pointer;
  transition: all var(--kd-transition);
  box-shadow: var(--kd-shadow-sm);
}
.kd-card:hover {
  border-color: var(--kd-primary);
  box-shadow: var(--kd-shadow-md), 0 0 0 1px var(--kd-primary-alpha);
  transform: translateY(-2px);
}
.kd-card-icon {
  width: 40px; height: 40px;
  background: var(--kd-primary-alpha);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--kd-primary);
  margin-bottom: 14px;
}
.kd-card-icon svg { width: 20px; height: 20px; }
.kd-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--kd-text-primary);
  margin-bottom: 4px;
}
.kd-card p {
  font-size: 13px;
  color: var(--kd-text-secondary);
  line-height: 1.4;
}

/* ---- CHAT VIEW ---- */
.kd-chat-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.kd-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}

/* Chat bubble */
.kd-msg {
  display: flex;
  gap: 12px;
  animation: kd-msg-in 0.22s ease;
}
.kd-msg.user { flex-direction: row-reverse; }
.kd-msg-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 13px;
}
.kd-msg.user .kd-msg-avatar { background: var(--kd-primary); color: #fff; }
.kd-msg.ai .kd-msg-avatar {
  background: var(--kd-primary-alpha);
  color: var(--kd-primary);
  font-size: 16px;
}
.kd-msg-bubble {
  max-width: min(72%, 600px);
  padding: 12px 16px;
  border-radius: var(--kd-radius-md);
  font-size: 14.5px;
  line-height: 1.65;
  position: relative;
}
.kd-msg.user .kd-msg-bubble {
  background: var(--kd-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.kd-msg.ai .kd-msg-bubble {
  background: var(--kd-bg-card);
  color: var(--kd-text-primary);
  border: 1px solid var(--kd-border);
  border-bottom-left-radius: 4px;
  box-shadow: var(--kd-shadow-sm);
}

/* Typing indicator */
.kd-typing-dots {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 6px 4px;
}
.kd-typing-dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--kd-primary);
  opacity: 0.4;
  animation: kd-typing 1.2s ease infinite;
}
.kd-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.kd-typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes kd-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Chat input bottom */
.kd-chat-input-wrap {
  padding: 14px 24px 20px;
  background: var(--kd-bg);
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}
.kd-chat-box { border-radius: var(--kd-radius-md); }

/* ---- PANELS (History / Settings) ---- */
.kd-panel {
  position: fixed;
  top: 0; right: -380px;
  width: 360px;
  height: 100%;
  background: var(--kd-bg-panel);
  border-left: 1px solid var(--kd-border);
  box-shadow: var(--kd-shadow-lg);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(.4,0,.2,1);
}
.kd-panel.open { right: 0; }

.kd-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--kd-border);
}
.kd-panel-header h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--kd-text-primary);
}
.kd-panel-close {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--kd-text-muted);
  font-size: 20px;
  line-height: 1;
  transition: all var(--kd-transition);
}
.kd-panel-close:hover { background: var(--kd-bg-hover); color: var(--kd-text-primary); }

.kd-panel-body { flex: 1; overflow-y: auto; padding: 16px 24px; }
.kd-panel-footer { padding: 16px 24px; border-top: 1px solid var(--kd-border); }

/* History items */
.kd-history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--kd-transition);
  margin-bottom: 4px;
}
.kd-history-item:hover { background: var(--kd-bg-hover); }
.kd-history-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--kd-primary-alpha);
  color: var(--kd-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kd-history-text { flex: 1; overflow: hidden; }
.kd-history-q {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--kd-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kd-history-date { font-size: 11.5px; color: var(--kd-text-muted); }
.kd-history-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--kd-text-muted);
  font-size: 14px;
}

/* Settings */
.kd-setting-group { margin-bottom: 28px; }
.kd-setting-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--kd-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 10px;
}
.kd-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--kd-border);
  background: var(--kd-bg-input);
  color: var(--kd-text-primary);
  font-family: var(--kd-font-body);
  font-size: 14px;
  outline: none;
  appearance: none;
  cursor: pointer;
  transition: border var(--kd-transition);
}
.kd-select:focus { border-color: var(--kd-primary); }

.kd-theme-toggle-row { display: flex; gap: 8px; }
.kd-theme-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  border-radius: 10px;
  border: 1.5px solid var(--kd-border);
  background: var(--kd-bg-input);
  color: var(--kd-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--kd-transition);
}
.kd-theme-option.active {
  border-color: var(--kd-primary);
  background: var(--kd-primary-alpha);
  color: var(--kd-primary);
}

.kd-account-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  border: 1.5px solid var(--kd-border);
  background: var(--kd-bg-input);
}
.kd-account-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--kd-primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kd-account-name { font-weight: 600; font-size: 14px; }
.kd-account-email { font-size: 12px; color: var(--kd-text-muted); }

.kd-btn-ghost {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1.5px solid var(--kd-border);
  color: var(--kd-text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--kd-transition);
  width: 100%;
}
.kd-btn-ghost:hover { border-color: var(--kd-primary); color: var(--kd-primary); background: var(--kd-primary-alpha); }

/* ---- BACKDROP ---- */
.kd-backdrop {
  position: fixed;
  inset: 0;
  background: var(--kd-bg-modal);
  z-index: 250;
  display: none;
  animation: kd-fade-in 0.2s ease;
}
.kd-backdrop.active { display: block; }

/* ---- LOGIN MODAL ---- */
.kd-modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--kd-bg-modal);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: kd-fade-in 0.2s ease;
}
.kd-modal-overlay.hidden { display: none; }

.kd-modal {
  background: var(--kd-bg-panel);
  border-radius: var(--kd-radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--kd-shadow-lg);
  text-align: center;
  animation: kd-modal-in 0.28s cubic-bezier(.34,1.56,.64,1);
}

.kd-modal-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
}
.kd-modal-logo-icon {
  width: 44px; height: 44px;
  background: var(--kd-primary);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--kd-font-display);
  font-weight: 800;
  font-size: 22px;
  color: #fff;
}
.kd-modal-logo span {
  font-family: var(--kd-font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--kd-text-primary);
  letter-spacing: -0.04em;
}

.kd-modal-title {
  font-family: var(--kd-font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--kd-text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.kd-modal-sub {
  color: var(--kd-text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}

.kd-social-btns { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.kd-social-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-radius: 12px;
  border: 1.5px solid var(--kd-border);
  background: var(--kd-bg-input);
  color: var(--kd-text-primary);
  font-size: 14.5px;
  font-weight: 600;
  transition: all var(--kd-transition);
  text-align: left;
}
.kd-social-btn:hover {
  border-color: var(--kd-primary);
  background: var(--kd-primary-alpha);
  transform: translateY(-1px);
  box-shadow: var(--kd-shadow-sm);
}
.kd-social-btn svg { flex-shrink: 0; }

/* Apple button */
[data-theme="dark"] .kd-social-apple { color: var(--kd-text-primary); }

.kd-modal-terms {
  font-size: 12px;
  color: var(--kd-text-muted);
  margin-bottom: 16px;
}
.kd-modal-terms a { color: var(--kd-primary); }

.kd-modal-skip {
  font-size: 13.5px;
  color: var(--kd-text-muted);
  text-decoration: underline;
  transition: color var(--kd-transition);
}
.kd-modal-skip:hover { color: var(--kd-primary); }

/* ---- USER MENU ---- */
.kd-user-menu {
  position: fixed;
  bottom: 72px;
  left: 8px;
  width: 240px;
  background: var(--kd-bg-panel);
  border: 1px solid var(--kd-border);
  border-radius: var(--kd-radius-md);
  box-shadow: var(--kd-shadow-lg);
  padding: 8px;
  z-index: 400;
  display: none;
  animation: kd-dropdown-in 0.16s ease;
}
.kd-user-menu.open { display: block; }
.kd-user-menu hr { border-color: var(--kd-border); margin: 6px 0; }
.kd-user-menu-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 10px;
}
.kd-user-menu-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--kd-primary);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kd-user-menu-name { font-size: 13.5px; font-weight: 600; }
.kd-user-menu-email { font-size: 11.5px; color: var(--kd-text-muted); }
.kd-user-menu button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--kd-text-primary);
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--kd-transition);
}
.kd-user-menu button:hover { background: var(--kd-bg-hover); }

/* ---- TOAST ---- */
.kd-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--kd-text-primary);
  color: var(--kd-bg);
  padding: 10px 20px;
  border-radius: var(--kd-radius-pill);
  font-size: 13.5px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  z-index: 9999;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.kd-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Mobile sidebar toggle */
.kd-sidebar-toggle {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--kd-text-secondary);
  transition: background var(--kd-transition);
  position: absolute;
  left: 16px;
}
.kd-sidebar-toggle:hover { background: var(--kd-bg-hover); }
.kd-sidebar-toggle svg { width: 20px; height: 20px; }

/* ---- ANIMATIONS ---- */
@keyframes kd-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes kd-modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes kd-dropdown-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes kd-msg-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Prose in AI bubble */
.kd-msg.ai .kd-msg-bubble p { margin-bottom: 10px; }
.kd-msg.ai .kd-msg-bubble p:last-child { margin-bottom: 0; }
.kd-msg.ai .kd-msg-bubble code {
  background: var(--kd-primary-alpha);
  color: var(--kd-primary);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 13px;
}
.kd-msg.ai .kd-msg-bubble ul { padding-left: 18px; }
.kd-msg.ai .kd-msg-bubble li { margin-bottom: 4px; }
.kd-msg.ai .kd-msg-bubble strong { font-weight: 700; }

/* Sidebar mobile */
@media (max-width: 767.98px) {
  .kd-sidebar {
    left: calc(-1 * var(--kd-sidebar-w) - 2px);
    transition: left 0.3s cubic-bezier(.4,0,.2,1);
    z-index: 350;
  }
  .kd-sidebar.mobile-open { left: 0; }
  .kd-main { margin-left: 0; }
  .kd-topbar { padding: 12px 16px; padding-left: 64px; }

  .kd-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .kd-home { padding: 12px 16px 32px; align-items: flex-start; padding-top: 0; }
  .kd-home-inner { gap: 24px; }
  .kd-greeting { font-size: 1.7rem; }
  .kd-panel { width: 100%; right: -100%; }
  .kd-user-menu { left: 10px; bottom: 76px; }
  .kd-chat-messages { padding: 16px; }
  .kd-chat-input-wrap { padding: 10px 16px 16px; }
}

@media (max-width: 479.98px) {
  .kd-cards-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kd-card { padding: 16px 14px; }
  .kd-topics { gap: 6px; }
  .kd-greeting { font-size: 1.5rem; }
  .kd-modal { padding: 32px 24px; }
}