/* Krumfell Chat — style animé dark/light */
:root {
  --bg: #121014;
  --bg2: #19161b;
  --panel: #1e1a20;
  --panel2: #272229;
  --border: #3a3238;
  --text: #f4ece8;
  --text-dim: #a08f88;
  --accent: #c6755e;
  --accent2: #e8a87c;
  --accent-glow: rgba(198, 117, 94, 0.38);
  --bubble-user: linear-gradient(135deg, #e07a5f, #c6755e);
  --bubble-krum: #1e1a20;
  --danger: #f87171;
  --font-scale: 1;
}
html[data-theme="light"] {
  --bg: #faf7f4;
  --bg2: #f0ebe6;
  --panel: #ffffff;
  --panel2: #faf4ef;
  --border: #e6dcd4;
  --text: #2b211c;
  --text-dim: #8d7a70;
  --bubble-user: linear-gradient(135deg, #e07a5f, #c6755e);
  --bubble-krum: #ffffff;
}
html[data-font="small"]  { --font-scale: 0.88; }
html[data-font="large"]  { --font-scale: 1.15; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  font-size: calc(15px * var(--font-scale));
}

/* --- Particules d'ambiance --- */
.particles { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
@keyframes floatP {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: 0.5; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-110vh) translateX(40px); opacity: 0; }
}

.hidden { display: none !important; }

/* ═══════════ LOCK SCREEN ═══════════ */
.lock-screen {
  position: fixed; inset: 0; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 700px at 50% 30%, #2a1c16 0%, var(--bg) 60%);
  opacity: 0; transition: opacity 0.5s ease;
}
.lock-screen.ready { opacity: 1; }
.lock-card {
  width: min(360px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px 24px 26px;
  text-align: center;
  box-shadow: 0 0 60px var(--accent-glow), 0 20px 60px rgba(0,0,0,.45);
  position: relative;
  z-index: 2;
}
.lock-card.pop-in { animation: popIn .5s cubic-bezier(.2,1.4,.4,1); }
.lock-card.shake { animation: shakeX .45s ease; }
@keyframes popIn { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes shakeX {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-12px); } 40% { transform: translateX(10px); }
  60% { transform: translateX(-7px); } 80% { transform: translateX(5px); }
}
.lock-mascot {
  width: 120px; height: 120px;
  margin: 0 auto 14px;
  filter: drop-shadow(0 0 22px var(--accent-glow));
  animation: mascotFloat 3.2s ease-in-out infinite;
}
.lock-mascot img { width: 100%; height: 100%; object-fit: contain; }
@keyframes mascotFloat {
  0%,100% { transform: translateY(0) rotate(-3deg); }
  50%     { transform: translateY(-10px) rotate(3deg); }
}
.lock-title { font-size: 26px; font-weight: 800; letter-spacing: .5px; }
.lock-sub { color: var(--text-dim); font-size: 13px; margin: 8px 0 22px; }
.pin-dots { display: flex; justify-content: center; gap: 12px; margin-bottom: 22px; }
.pin-dots span {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  transition: all .2s ease;
}
.pin-dots span.filled {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.pin-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.pin-key {
  height: 58px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  font-size: 22px; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: transform .12s ease, background .2s, box-shadow .2s;
  user-select: none;
}
.pin-key:hover { background: var(--border); }
.pin-key:active { transform: scale(.92); box-shadow: 0 0 18px var(--accent-glow); }
.pin-key-blank { background: transparent; border-color: transparent; pointer-events: none; }
.pin-key-back { font-size: 20px; }
.lock-msg { min-height: 22px; margin-top: 18px; font-size: 13px; color: var(--accent); }
.lock-msg.error { color: var(--danger); }

/* ═══════════ CHAT APP ═══════════ */
.chat-app {
  position: fixed; inset: 0; z-index: 1;
  display: flex; flex-direction: column;
  max-width: 760px; margin: 0 auto;
  background: var(--bg);
}

/* Header */
.chat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: relative; z-index: 5;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #4a2c22, #6b3a2a);
  border: 2px solid var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  flex-shrink: 0;
  overflow: hidden;
}
.avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.avatar-krum { animation: avatarPulse 3s ease-in-out infinite; }
@keyframes avatarPulse {
  0%,100% { box-shadow: 0 0 10px var(--accent-glow); }
  50%     { box-shadow: 0 0 26px var(--accent-glow); }
}
.header-info .header-name { font-weight: 700; font-size: 16px; }
.header-status { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-dim); }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.header-actions { display: flex; gap: 6px; position: relative; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  font-size: 17px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s, background .2s;
  font-family: inherit;
}
.icon-btn:hover { background: var(--border); transform: scale(1.06); }
.icon-btn:active { transform: scale(.92); }
#btnFont { font-weight: 800; font-size: 14px; }

.more-menu {
  position: absolute; top: 48px; right: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  min-width: 220px;
  z-index: 20;
}
.more-menu button {
  display: block; width: 100%;
  padding: 13px 16px;
  background: none; border: none;
  color: var(--text);
  font-size: 14px; font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.more-menu button:hover { background: var(--panel2); }
.more-menu button:last-child { color: var(--danger); }

/* Body messages */
.chat-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 16px 14px 8px;
  scroll-behavior: smooth;
  position: relative;
  background:
    radial-gradient(800px 300px at 80% -50px, color-mix(in srgb, var(--accent) 8%, transparent), transparent),
    var(--bg);
}
.chat-date-chip {
  width: fit-content; margin: 0 auto 14px;
  flex-shrink: 0;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
}
.welcome-msg {
  text-align: center;
  color: var(--text-dim);
  margin: 40px 0 20px;
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1.6;
}
.avatar-big {
  width: 92px; height: 92px;
  margin: 0 auto 14px;
  border-radius: 28px;
  border-width: 3px;
  animation: mascotFloat 3.4s ease-in-out infinite;
}

/* Messages */
#messages {
  margin-top: auto;
  flex-shrink: 0;
}
.msg-row { display: flex; gap: 8px; margin-bottom: 14px; align-items: flex-end; }
.msg-row .avatar { width: 34px; height: 34px; font-size: 18px; }
.msg-user { justify-content: flex-end; }
.msg-stack { display: flex; flex-direction: column; max-width: 78%; }
.msg-user .msg-stack { align-items: flex-end; }
.bubble {
  position: relative;
  padding: 9px 13px;
  border-radius: 18px;
  font-size: calc(15px * var(--font-scale));
  line-height: 1.45;
  word-break: break-word;
  white-space: pre-wrap;
  animation: bubbleIn .25s ease;
}
@keyframes bubbleIn { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }
.msg-krum .bubble {
  background: var(--bubble-krum);
  border: 1px solid var(--border);
  border-bottom-left-radius: 6px;
}
.msg-user .bubble {
  background: var(--bubble-user);
  color: #fff;
  border-bottom-right-radius: 6px;
  box-shadow: 0 4px 18px rgba(37, 99, 235, .25);
}
.msg-time { font-size: 11px; color: var(--text-dim); margin-top: 3px; padding: 0 4px; }

/* Tool progress */
.tool-status {
  display: flex; align-items: center; gap: 7px;
  width: fit-content; margin: 2px auto 8px;
  padding: 5px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-dim);
  animation: bubbleIn .2s ease;
}
.tool-status .tool-emoji {
  display: inline-block;
  font-size: 13px;
  animation: gearSpin 1.1s linear infinite;
}

/* Typing */
.typing {
  display: flex; align-items: flex-end; gap: 8px;
  padding: 4px 14px 10px;
}
.typing .avatar { width: 34px; height: 34px; font-size: 18px; }
.typing-bubble {
  display: flex; gap: 8px; align-items: center;
  padding: 13px 16px;
  background: var(--bubble-krum);
  border: 1px solid var(--border);
  border-radius: 18px;
  border-bottom-left-radius: 6px;
  min-width: 34px;
  min-height: 34px;
}
.typing-gear {
  font-size: 19px;
  line-height: 1;
  animation: gearSpin 1.1s linear infinite;
}
@keyframes gearSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.typing-dots {
  display: none;
  gap: 5px;
  align-items: center;
}
.typing-dots span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-dim);
  animation: typingDot 1.2s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: .18s; }
.typing-dots span:nth-child(3) { animation-delay: .36s; }
@keyframes typingDot {
  0%,60%,100% { transform: translateY(0); opacity: .5; }
  30% { transform: translateY(-6px); opacity: 1; }
}
/* phases : working = engrenage, writing = points */
.typing-bubble.working .typing-gear { display: inline-block; }
.typing-bubble.working .typing-dots { display: none; }
.typing-bubble.writing .typing-gear { display: none; }
.typing-bubble.writing .typing-dots { display: flex; }

/* Composer */
.chat-composer {
  padding: 10px 12px 14px;
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  position: relative; z-index: 4;
}
.composer-row { display: flex; align-items: flex-end; gap: 8px; }
.input-wrap {
  flex: 1;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 7px 14px;
}
#chatInput {
  width: 100%;
  border: none; outline: none; resize: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: calc(15px * var(--font-scale));
  line-height: 1.4;
  max-height: 140px;
}
.send-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px var(--accent-glow);
  transition: transform .15s;
  flex-shrink: 0;
}
.send-btn:hover { transform: scale(1.08); }
.send-btn:active { transform: scale(.9); }

/* Reply bar (au-dessus du composer) */
.reply-bar {
  display: flex; align-items: center; gap: 10px;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  padding: 8px 12px;
  margin-bottom: 8px;
  animation: bubbleIn .2s ease;
}
.reply-info { flex: 1; min-width: 0; }
.reply-label { font-size: 11px; font-weight: 700; color: var(--accent); display: block; }
.reply-text {
  font-size: 13px; color: var(--text-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  display: block;
}
.reply-x {
  background: none; border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}
.reply-x:hover { background: var(--border); color: var(--text); }

/* Citation dans une bulle */
.bubble-quote {
  font-size: 12px;
  color: var(--text-dim);
  border-left: 3px solid var(--accent);
  padding: 2px 8px;
  margin: -3px -4px 6px 0;
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  border-radius: 8px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 240px;
}
.msg-user .bubble-quote {
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.14);
  border-left-color: #fff;
}

/* Menu contextuel */
.ctx-menu {
  position: fixed;
  z-index: 100;
  min-width: 190px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 44px rgba(0,0,0,.5);
  animation: popIn .15s ease;
}
.ctx-menu button {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 12px 14px;
  background: none; border: none;
  color: var(--text);
  font-size: 14px; font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.ctx-menu button:hover { background: var(--panel2); }
.ctx-menu .ctx-danger { color: var(--danger); }

/* ═══════════ SETTINGS PAGE ═══════════ */
.settings-app {
  position: fixed; inset: 0; z-index: 1;
  display: flex; flex-direction: column;
  max-width: 760px; margin: 0 auto;
  background: var(--bg);
}
.settings-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.settings-title { flex: 1; font-weight: 800; font-size: 17px; }
.avatar-mini { width: 36px; height: 36px; }
.settings-body {
  flex: 1; overflow-y: auto;
  padding: 18px 14px 30px;
}
.settings-group { margin-bottom: 24px; }
.settings-group-title {
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px;
  color: var(--text-dim);
  margin: 0 6px 8px;
}
.settings-card, .settings-row {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background .15s;
}
.settings-row:hover { background: var(--panel2); }
.settings-row.danger { color: var(--danger); }
.settings-row.static { cursor: default; }
.settings-row.static:hover { background: var(--panel); }
.settings-chevron { color: var(--text-dim); font-size: 13px; }
.settings-label { font-weight: 700; }
.settings-desc { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.pin-form { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; width: 100%; }
.settings-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  letter-spacing: 2px;
  text-align: center;
  outline: none;
}
.settings-input:focus { border-color: var(--accent); }
.settings-btn {
  padding: 12px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 4px 18px var(--accent-glow);
  transition: transform .15s;
}
.settings-btn:hover { transform: scale(1.02); }
.settings-btn:active { transform: scale(.97); }
.settings-msg { min-height: 20px; font-size: 13px; color: var(--accent); text-align: center; }
.settings-msg.error { color: var(--danger); }
.device-row { cursor: default; }
.device-row:hover { background: var(--panel); }
.device-info { flex: 1; min-width: 0; }
.device-info em { color: var(--accent); font-style: normal; font-size: 12px; }
.device-del {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  transition: color .15s, background .15s;
}
.device-del:hover { color: var(--danger); background: var(--border); }

/* Scrollbar */
.settings-body::-webkit-scrollbar { width: 5px; }
.settings-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* Scrollbar */
.chat-body::-webkit-scrollbar { width: 5px; }
.chat-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* Responsive */
@media (max-width: 480px) {
  .msg-stack { max-width: 85%; }
  .chat-header { padding: 10px 12px; }
}