/* ============ VARIABLES & RESET ============ */
:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22263a;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.15);
  --text: #e8eaf0;
  --text2: #9099b0;
  --text3: #5a6278;
  --accent: #5b8af5;
  --accent2: #3d6cd4;
  --green: #3ecf8e;
  --red: #f87171;
  --amber: #fbbf24;
  --radius: 10px;
  --radius-sm: 6px;
  --font: 'Segoe UI', system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--font); font-size: 14px; height: 100vh; height: 100dvh; display: flex; overflow: hidden; }

/* ============ SIDEBAR ============ */
#sidebar {
  width: 220px; min-width: 220px; background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 16px 12px; gap: 4px;
}
#logo { font-size: 15px; font-weight: 600; color: var(--text); padding: 8px 10px 16px; letter-spacing: 0.3px; display: flex; align-items: center; gap: 8px; }
#logo span { color: var(--accent); }
.nav-btn {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius-sm);
  border: none; background: transparent; color: var(--text2); cursor: pointer; width: 100%; text-align: left;
  font-size: 13px; font-family: var(--font); transition: background 0.15s, color 0.15s;
}
.nav-btn:hover { background: var(--bg3); color: var(--text); }
.nav-btn.active { background: var(--bg3); color: var(--text); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-spacer { flex: 1; }
#connection-status { padding: 10px; border-radius: var(--radius-sm); background: var(--bg3); margin-top: 8px; }
.status-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; font-size: 11px; color: var(--text2); }
.status-row:last-child { margin-bottom: 0; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text3); display: inline-block; }
.dot.ok { background: var(--green); }
.dot.err { background: var(--red); }
.dot.loading { background: var(--amber); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ============ MAIN & PAGES ============ */
#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.page { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.page.active { display: flex; }

/* ============ TOOLBAR ============ */
#toolbar {
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; background: var(--bg2);
}
#model-select {
  background: var(--bg3); border: 1px solid var(--border2); color: var(--text);
  border-radius: var(--radius-sm); padding: 5px 10px; font-size: 12px; cursor: pointer; font-family: var(--font);
}
#model-select option { background: var(--bg2); }
.toolbar-badge {
  font-size: 11px; padding: 3px 8px; border-radius: 20px; border: 1px solid var(--border2);
  color: var(--text2); background: var(--bg3); cursor: pointer; display: flex; align-items: center; gap: 5px;
  transition: background 0.15s;
}
.toolbar-badge:hover { background: var(--border); }
.toolbar-badge.on { border-color: var(--accent); color: var(--accent); }
.spacer { flex: 1; }
#clear-btn { font-size: 11px; padding: 4px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border2); background: transparent; color: var(--text2); cursor: pointer; font-family: var(--font); }
#clear-btn:hover { background: var(--bg3); color: var(--text); }

/* ============ MESSAGES ============ */
#messages { flex: 1; overflow-y: auto; padding: 20px 16px; display: flex; flex-direction: column; gap: 16px; }
#messages::-webkit-scrollbar { width: 5px; }
#messages::-webkit-scrollbar-track { background: transparent; }
#messages::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }

.msg { display: flex; gap: 10px; max-width: 100%; }
.msg.user { flex-direction: row-reverse; }
.msg-avatar { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.msg.user .msg-avatar { background: var(--accent2); color: white; }
.msg.assistant .msg-avatar { background: var(--bg3); color: var(--accent); border: 1px solid var(--border2); }
.msg-bubble { max-width: 78%; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; line-height: 1.6; position: relative; }
.msg.user .msg-bubble { background: var(--accent2); border-color: transparent; color: white; }

/* ============ MARKDOWN RENDERING ============ */
.msg-bubble h1,.msg-bubble h2,.msg-bubble h3 { margin: 10px 0 6px; font-weight: 600; line-height: 1.3; }
.msg-bubble h1 { font-size: 18px; }
.msg-bubble h2 { font-size: 16px; }
.msg-bubble h3 { font-size: 14px; }
.msg-bubble p { margin-bottom: 8px; }
.msg-bubble p:last-child { margin-bottom: 0; }
.msg-bubble ul, .msg-bubble ol { padding-left: 20px; margin-bottom: 8px; }
.msg-bubble li { margin-bottom: 3px; }
.msg-bubble pre { background: var(--bg); border-radius: var(--radius-sm); padding: 10px; overflow-x: auto; margin: 8px 0; font-size: 12px; position: relative; }
.msg-bubble code { background: var(--bg); padding: 1px 5px; border-radius: 3px; font-size: 12px; font-family: 'Consolas', monospace; }
.msg-bubble pre code { background: transparent; padding: 0; }
.msg-bubble blockquote { border-left: 3px solid var(--accent); padding-left: 10px; color: var(--text2); margin: 8px 0; }
.msg-bubble table { border-collapse: collapse; width: 100%; margin: 8px 0; font-size: 12px; }
.msg-bubble th, .msg-bubble td { border: 1px solid var(--border2); padding: 6px 10px; text-align: left; }
.msg-bubble th { background: var(--bg2); font-weight: 600; }
.msg-bubble hr { border: none; border-top: 1px solid var(--border2); margin: 10px 0; }
.msg-bubble a { color: var(--accent); text-decoration: none; }
.msg-bubble a:hover { text-decoration: underline; }

/* ============ COPY BUTTON ============ */
.copy-btn {
  position: absolute; top: 6px; right: 6px;
  background: var(--bg3); border: 1px solid var(--border2); color: var(--text2);
  border-radius: var(--radius-sm); padding: 3px 8px; font-size: 11px; cursor: pointer;
  opacity: 0; transition: opacity 0.15s; font-family: var(--font);
}
.msg-bubble:hover .copy-btn { opacity: 1; }
.copy-btn.copied { color: var(--green); border-color: var(--green); }

/* ============ CODE COPY BUTTON ============ */
.code-wrap { position: relative; }
.code-copy-btn {
  position: absolute; top: 6px; right: 6px;
  background: var(--bg2); border: 1px solid var(--border2); color: var(--text2);
  border-radius: var(--radius-sm); padding: 2px 7px; font-size: 11px; cursor: pointer;
  opacity: 0; transition: opacity 0.15s; font-family: var(--font);
}
.code-wrap:hover .code-copy-btn { opacity: 1; }
.code-copy-btn.copied { color: var(--green); }

/* ============ SEARCH & TYPING ============ */
.msg-img { max-width: 260px; border-radius: var(--radius-sm); margin-top: 6px; display: block; }
.search-pills { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.search-pill { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: rgba(91,138,245,0.12); border: 1px solid rgba(91,138,245,0.25); color: var(--accent); }
.typing-indicator { display: flex; gap: 4px; padding: 6px 2px; }
.typing-indicator span { width: 7px; height: 7px; border-radius: 50%; background: var(--text3); animation: bounce 1.2s infinite; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%,80%,100%{transform:translateY(0)} 40%{transform:translateY(-6px)} }

/* ============ INPUT AREA ============ */
#input-area { padding: 12px 16px; background: var(--bg2); border-top: 1px solid var(--border); }
#img-preview-wrap { display: none; margin-bottom: 8px; position: relative; }
#img-preview { width: 64px; height: 64px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border2); }
#img-remove { position: absolute; top: -5px; right: calc(100% - 69px); background: var(--red); border: none; color: white; border-radius: 50%; width: 18px; height: 18px; font-size: 11px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
#input-row { display: flex; gap: 8px; align-items: flex-end; }
#msg-input {
  flex: 1; background: var(--bg3); border: 1px solid var(--border2); color: var(--text);
  border-radius: var(--radius); padding: 9px 12px; font-size: 13px; font-family: var(--font);
  resize: none; min-height: 40px; max-height: 140px; outline: none; transition: border-color 0.15s; line-height: 1.5;
}
#msg-input:focus { border-color: var(--accent); }
#msg-input::placeholder { color: var(--text3); }
.icon-btn {
  width: 38px; height: 38px; border-radius: var(--radius-sm); border: 1px solid var(--border2);
  background: var(--bg3); color: var(--text2); cursor: pointer; display: flex; align-items: center;
  justify-content: center; font-size: 16px; flex-shrink: 0; transition: background 0.15s, color 0.15s;
}
.icon-btn:hover { background: var(--border); color: var(--text); }
#send-btn { background: var(--accent); border-color: transparent; color: white; font-size: 16px; }
#send-btn:hover { background: var(--accent2); }
#send-btn:disabled { opacity: 0.4; cursor: not-allowed; }
#file-input { display: none; }

/* ============ IMAGE PAGE ============ */
.page-title { font-size: 18px; font-weight: 500; margin-bottom: 4px; }
.page-subtitle { color: var(--text2); font-size: 13px; margin-bottom: 20px; }
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card h3 { margin-bottom: 14px; color: var(--text2); text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; font-weight: 600; }
.img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
textarea.styled {
  width: 100%; background: var(--bg3); border: 1px solid var(--border2); color: var(--text);
  border-radius: var(--radius-sm); padding: 10px; font-size: 13px; font-family: var(--font);
  resize: vertical; outline: none; min-height: 80px; transition: border-color 0.15s;
}
textarea.styled:focus { border-color: var(--accent); }
input.styled {
  width: 100%; background: var(--bg3); border: 1px solid var(--border2); color: var(--text);
  border-radius: var(--radius-sm); padding: 8px 10px; font-size: 13px; font-family: var(--font); outline: none; transition: border-color 0.15s;
}
input.styled:focus { border-color: var(--accent); }
select.styled {
  width: 100%; background: var(--bg3); border: 1px solid var(--border2); color: var(--text);
  border-radius: var(--radius-sm); padding: 8px 10px; font-size: 13px; font-family: var(--font); cursor: pointer;
}
select.styled option { background: var(--bg2); }
.btn-primary {
  background: var(--accent); color: white; border: none; border-radius: var(--radius-sm);
  padding: 9px 18px; font-size: 13px; font-family: var(--font); cursor: pointer; transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent2); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary {
  background: var(--bg3); color: var(--text2); border: 1px solid var(--border2); border-radius: var(--radius-sm);
  padding: 9px 18px; font-size: 13px; font-family: var(--font); cursor: pointer; transition: background 0.15s;
}
.btn-secondary:hover { background: var(--border); color: var(--text); }
.form-row { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.form-label { font-size: 12px; color: var(--text2); }
.drop-zone {
  border: 2px dashed var(--border2); border-radius: var(--radius); padding: 32px; text-align: center;
  cursor: pointer; transition: border-color 0.15s, background 0.15s; color: var(--text2);
}
.drop-zone:hover { border-color: var(--accent); background: rgba(91,138,245,0.05); }
.drop-zone.dragover { border-color: var(--accent); background: rgba(91,138,245,0.08); }
#gen-result img { max-width: 100%; border-radius: var(--radius-sm); }
#analyze-preview { max-width: 100%; max-height: 200px; border-radius: var(--radius-sm); margin-bottom: 12px; display: none; }
#analyze-output { background: var(--bg3); border-radius: var(--radius-sm); padding: 12px; font-size: 13px; line-height: 1.7; display: none; margin-top: 14px; }

/* ============ SETTINGS PAGE ============ */
.settings-section { margin-bottom: 6px; }
.settings-section h2 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; color: var(--accent); margin-bottom: 12px; }
.setting-item { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 10px; }
.setting-item h4 { font-size: 13px; font-weight: 500; margin-bottom: 3px; }
.setting-item p { font-size: 12px; color: var(--text2); margin-bottom: 10px; line-height: 1.5; }
.test-btn { padding: 5px 12px; font-size: 11px; border-radius: var(--radius-sm); border: 1px solid var(--border2); background: transparent; color: var(--text2); cursor: pointer; font-family: var(--font); transition: all 0.15s; }
.test-btn:hover { background: var(--bg3); color: var(--text); }
.test-result { font-size: 11px; margin-left: 8px; }
.test-result.ok { color: var(--green); }
.test-result.err { color: var(--red); }
.input-with-test { display: flex; gap: 8px; align-items: center; }
.input-with-test input.styled { flex: 1; }
.toggle-row { display: flex; align-items: center; justify-content: space-between; }
.toggle { position: relative; width: 38px; height: 20px; }
.toggle input { display: none; }
.toggle-slider { position: absolute; inset: 0; background: var(--bg3); border: 1px solid var(--border2); border-radius: 20px; cursor: pointer; transition: background 0.2s; }
.toggle-slider:before { content:''; position: absolute; width: 14px; height: 14px; background: var(--text3); border-radius: 50%; top: 2px; left: 2px; transition: all 0.2s; }
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider:before { transform: translateX(18px); background: white; }
.setup-wizard { background: rgba(91,138,245,0.08); border: 1px solid rgba(91,138,245,0.25); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 16px; }
.setup-wizard h3 { color: var(--accent); font-size: 13px; font-weight: 500; margin-bottom: 8px; }
.setup-wizard p { font-size: 12px; color: var(--text2); line-height: 1.6; margin-bottom: 12px; }
.setup-steps { list-style: none; counter-reset: steps; }
.setup-steps li { counter-increment: steps; display: flex; gap: 10px; font-size: 12px; color: var(--text2); padding: 4px 0; }
.setup-steps li::before { content: counter(steps); min-width: 20px; height: 20px; background: var(--accent2); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; flex-shrink: 0; }
.save-row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.info-box { background: var(--bg3); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 12px; color: var(--text2); line-height: 1.6; margin-top: 8px; }
.info-box code { color: var(--accent); background: rgba(91,138,245,0.1); padding: 1px 5px; border-radius: 3px; }

/* ============ MOBILE OVERLAY ============ */
#sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 99; backdrop-filter: blur(2px); }
#sidebar-overlay.visible { display: block; }

/* ============ MOBILE RESPONSIVE ============ */
@media (max-width: 640px) {
  body { font-size: 15px; }
  #sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 100; transform: translateX(-100%); transition: transform 0.25s ease; width: 260px; min-width: 260px; }
  #sidebar.open { transform: translateX(0); }
  #menu-btn { display: flex !important; }
  #main { width: 100%; }
  #toolbar { padding: 8px 10px; gap: 6px; flex-wrap: nowrap; }
  #model-select { font-size: 12px; padding: 5px 6px; max-width: 130px; }
  #clear-btn { display: none; }
  .toolbar-badge { font-size: 11px; padding: 3px 6px; }
  #messages { padding: 12px 10px; gap: 12px; }
  .msg-bubble { max-width: 88%; font-size: 14px; }
  .msg-avatar { width: 26px; height: 26px; font-size: 12px; }
  #input-area { padding: 8px 10px; padding-bottom: max(10px, env(safe-area-inset-bottom)); }
  #msg-input { font-size: 15px; padding: 10px 12px; min-height: 44px; }
  .icon-btn { width: 44px; height: 44px; font-size: 18px; }
  #send-btn { width: 44px; height: 44px; }
  .img-grid { grid-template-columns: 1fr; gap: 12px; }
  #image-page { padding: 14px !important; }
  #settings-page { padding: 14px; }
  .setting-item { padding: 14px; }
  .input-with-test { flex-wrap: wrap; gap: 6px; }
  .input-with-test input.styled { min-width: 0; }
  .save-row { flex-direction: column; }
  .save-row button { width: 100%; padding: 12px; font-size: 14px; }
  .btn-primary, .btn-secondary { padding: 11px 16px; font-size: 14px; }
  .setup-wizard { padding: 14px; }
  #connection-status { font-size: 12px; }
  .copy-btn { opacity: 1; } /* Immer sichtbar auf Mobile */
}