/* ==========================================================================
   Copilot Remote — Client mobile
   Thème sombre, optimisé touch, responsive
   ========================================================================== */

/* --- Variables & reset -------------------------------------------------- */
:root {
  --bg:          #0d1117;
  --surface:     #161b22;
  --border:      #30363d;
  --text:        #e6edf3;
  --text-muted:  #8b949e;
  --accent:      #388bfd;
  --accent-dim:  #1f6feb33;
  --user-bg:     #1c2128;
  --copilot-bg:  #161b22;
  --error:       #f85149;
  --ok:          #3fb950;
  --radius:      12px;
  --input-h:     52px;
  --header-h:    52px;
  font-size:     16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.5;
  overflow: hidden;
}

/* --- Header ------------------------------------------------------------- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

#app-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge.connected    { background: #1a3a1f; color: var(--ok); }
.badge.disconnected { background: #2d1b1b; color: var(--error); }
.badge.connecting   { background: #1a2a3a; color: var(--accent); }

/* --- Écran de configuration --------------------------------------------- */
#setup-screen {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 20px;
  background: var(--bg);
  overflow-y: auto;
}

#setup-screen h2 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

#setup-screen label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

#setup-screen input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  padding: 12px 14px;
  outline: none;
  width: 100%;
  transition: border-color 0.15s;
}
#setup-screen input:focus { border-color: var(--accent); }

#save-config-btn {
  margin-top: 8px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px;
  cursor: pointer;
  width: 100%;
  transition: opacity 0.15s;
}
#save-config-btn:active { opacity: 0.8; }

.error { color: var(--error); font-size: 0.85rem; min-height: 1.2em; }

/* --- Écran de chat ------------------------------------------------------- */
#chat-screen {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  display: flex;
  flex-direction: column;
}
#chat-screen[hidden] { display: none; }

/* Zone de messages */
#chat-log {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* Espace pour la barre de saisie */
  padding-bottom: calc(var(--input-h) + 24px);
}

/* Bulle de message générique */
.message {
  max-width: 92%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  word-break: break-word;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message.user {
  align-self: flex-end;
  background: var(--user-bg);
  border: 1px solid var(--border);
}

.message.copilot {
  align-self: flex-start;
  background: var(--copilot-bg);
  border: 1px solid var(--border);
}

.message.system {
  align-self: center;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  border: none;
  padding: 2px 0;
}

/* Curseur de streaming */
.message.streaming::after {
  content: '▋';
  display: inline-block;
  animation: blink 0.8s step-start infinite;
  margin-left: 2px;
  color: var(--accent);
}
@keyframes blink { 50% { opacity: 0; } }

/* Rendu Markdown dans les bulles Copilot */
.message p  { margin: 0 0 0.6em; }
.message p:last-child { margin-bottom: 0; }
.message code {
  background: #1c2128;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85em;
  padding: 1px 5px;
}
.message pre {
  background: #1c2128;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
  padding: 10px 12px;
  margin: 6px 0;
}
.message pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.82em;
}
.message ul, .message ol { padding-left: 1.4em; margin: 0.4em 0; }
.message blockquote {
  border-left: 3px solid var(--border);
  padding-left: 10px;
  color: var(--text-muted);
  margin: 6px 0;
}
.message strong { color: #fff; }
.message a { color: var(--accent); }

/* Barre de saisie */
#input-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8px 12px;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

#chat-form {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

#message-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.4;
  max-height: 120px;
  min-height: var(--input-h);
  outline: none;
  padding: 14px;
  resize: none;
  transition: border-color 0.15s;
}
#message-input:focus { border-color: var(--accent); }

/* Boutons icône */
#send-btn, #settings-btn {
  align-items: center;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  flex-shrink: 0;
  height: 44px;
  justify-content: center;
  transition: opacity 0.15s;
  width: 44px;
}
#send-btn:active, #settings-btn:active { opacity: 0.75; }
#send-btn svg, #settings-btn svg { width: 18px; height: 18px; }

#settings-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}