/* ── Alvin Bot WebUI — Professional Design ── */

:root {
  --bg: #0a0a0b; --bg2: #131316; --bg3: #1c1c21; --bg4: #26262d;
  --fg: #e8e8ed; --fg2: #8b8b96; --fg3: #55555e;
  --accent: #6c5ce7; --accent2: #a29bfe; --accent-dim: rgba(108,92,231,0.12);
  --accent-gradient: linear-gradient(135deg, #6c5ce7, #8b7cf7);
  --green: #00b894; --red: #e17055; --yellow: #fdcb6e; --blue: #74b9ff;
  --radius: 12px; --radius-sm: 8px; --gap: 16px;
  --transition: 0.18s ease;
  --glass-bg: rgba(19,19,22,0.8);
  --glass-border: rgba(255,255,255,0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}
[data-theme="light"] {
  --bg: #f4f4f8; --bg2: #ffffff; --bg3: #eaeaef; --bg4: #dddde3;
  --fg: #18181b; --fg2: #6b6b76; --fg3: #9b9ba6;
  --accent-dim: rgba(108,92,231,0.08);
  --glass-bg: rgba(255,255,255,0.9);
  --glass-border: rgba(0,0,0,0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

/* ── Base ── */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg); color: var(--fg);
  height: 100vh; display: flex; overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
.lucide { vertical-align: middle; flex-shrink: 0; }

/* ── Page Transitions ── */
.page { animation: pageIn 0.25s ease; }
@keyframes pageIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ── Skeleton Loading ── */
.skeleton {
  background: linear-gradient(90deg, var(--bg3) 25%, var(--bg4) 50%, var(--bg3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Status Pulse ── */
.status-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.status-dot.online {
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
}
.status-dot.offline { background: var(--red); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 4px var(--green); }
  50% { box-shadow: 0 0 12px var(--green), 0 0 20px rgba(0,184,148,0.3); }
}

/* ── Sidebar ── */
.sidebar {
  width: 240px; background: var(--bg2);
  border-right: 1px solid var(--glass-border);
  display: flex; flex-direction: column; flex-shrink: 0;
  transition: width var(--transition);
}
.sidebar-header {
  padding: 16px; border-bottom: 1px solid var(--glass-border);
}
.sidebar-header h1 {
  font-size: 1.05em; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.sidebar-header .status {
  font-size: 0.72em; color: var(--fg2); margin-top: 6px;
  display: flex; align-items: center; gap: 5px;
}
.nav { flex: 1; padding: 8px; overflow-y: auto; }
.nav-section {
  font-size: 0.62em; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--fg3); padding: 14px 10px 4px; font-weight: 600;
}
.nav-item {
  padding: 7px 12px; border-radius: var(--radius-sm); cursor: pointer;
  display: flex; align-items: center; gap: 10px; color: var(--fg2);
  transition: all var(--transition); font-size: 0.84em; user-select: none;
  font-weight: 450; position: relative;
}
.nav-item:hover { background: var(--bg3); color: var(--fg); }
.nav-item.active {
  background: var(--accent-gradient); color: white;
  box-shadow: 0 2px 8px rgba(108,92,231,0.3);
}
.nav-item .lucide { opacity: 0.7; }
.nav-item.active .lucide { opacity: 1; }

.sidebar-footer {
  padding: 10px; border-top: 1px solid var(--glass-border);
  display: flex; gap: 6px;
}
.sidebar-footer button {
  flex: 1; background: var(--bg3); border: none; color: var(--fg2);
  padding: 7px 4px; border-radius: 6px; cursor: pointer;
  font-size: 0.72em; transition: all var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 4px;
  font-family: inherit; font-weight: 500;
}
.sidebar-footer button:hover { background: var(--bg4); color: var(--fg); }
.sidebar-footer .lang-toggle {
  font-weight: 600; letter-spacing: 0.02em;
}
.sidebar-footer .lang-toggle .lang-active { color: var(--accent2); }

/* ── Main ── */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }

/* ── Topbar ── */
.topbar {
  padding: 10px 20px; border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg2); gap: 12px; flex-shrink: 0;
}
.topbar h2 {
  font-size: 0.92em; font-weight: 550; white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
}
.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-kbd {
  font-size: 0.65em; color: var(--fg3); background: var(--bg3);
  padding: 2px 6px; border-radius: 4px; font-family: inherit;
  border: 1px solid var(--glass-border); cursor: pointer;
  transition: all var(--transition);
}
.topbar-kbd:hover { color: var(--fg2); border-color: var(--accent); }

/* ── Badges ── */
.badge {
  font-size: 0.7em; padding: 3px 10px; border-radius: 20px;
  background: var(--bg3); color: var(--fg2); white-space: nowrap;
  font-weight: 500;
}
.badge-green { background: rgba(0,184,148,0.12); color: var(--green); }
.badge-yellow { background: rgba(253,203,110,0.12); color: var(--yellow); }
.badge-red { background: rgba(225,112,85,0.12); color: var(--red); }
.badge-blue { background: rgba(116,185,255,0.12); color: #74b9ff; }
.badge-gray { background: rgba(255,255,255,0.04); color: var(--fg3); }
.badge-accent { background: var(--accent-dim); color: var(--accent2); }

/* ── User Cards ── */
.user-last-msg { font-size: 0.82em; color: var(--fg3); margin-top: 6px; font-style: italic; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 500px; }
.user-session-info { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; font-size: 0.78em; color: var(--fg2); align-items: center; }
.user-session-info span { white-space: nowrap; }

/* ── Page / Content ── */
.page { display: none; flex-direction: column; height: 100%; min-height: 0; overflow: hidden; }
.page.active { display: flex; }
.content { flex: 1; overflow-y: auto; padding: var(--gap); min-height: 0; }

/* ── Chat ── */
.chat-container { flex-direction: column; height: 100%; min-height: 0; overflow: hidden; }
.chat-header {
  padding: 8px 16px; background: var(--bg2);
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8em; flex-shrink: 0;
}
.chat-header select {
  background: var(--bg3); border: 1px solid var(--glass-border);
  color: var(--fg); border-radius: 6px; padding: 4px 8px;
  font-size: 0.9em; cursor: pointer; font-family: inherit;
}
.chat-header label { color: var(--fg2); font-size: 0.88em; font-weight: 500; }

.messages {
  flex: 1; overflow-y: auto; padding: var(--gap);
  display: flex; flex-direction: column; gap: 8px; min-height: 0;
}
.msg {
  max-width: 75%; padding: 10px 14px; border-radius: var(--radius);
  line-height: 1.55; word-break: break-word; font-size: 0.88em;
  position: relative; animation: fadeIn 0.22s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.msg .time { font-size: 0.65em; color: var(--fg3); margin-top: 4px; display: block; }
.msg.user {
  align-self: flex-end; background: var(--accent-gradient); color: white;
  border-bottom-right-radius: 4px;
  box-shadow: 0 2px 8px rgba(108,92,231,0.2);
}
.msg.user .time { color: rgba(255,255,255,0.5); }
.msg.assistant { align-self: flex-start; background: var(--bg3); border-bottom-left-radius: 4px; }
.msg.assistant strong { color: var(--accent2); }
.msg.assistant code { background: rgba(0,0,0,0.25); padding: 1px 5px; border-radius: 4px; font-size: 0.85em; font-family: 'SF Mono', Monaco, monospace; }
.msg.assistant pre { background: rgba(0,0,0,0.3); padding: 10px; border-radius: 6px; overflow-x: auto; margin: 6px 0; font-size: 0.85em; }
.msg.assistant pre code { background: none; padding: 0; }
.msg.system { align-self: center; background: transparent; color: var(--fg2); font-size: 0.78em; font-style: italic; padding: 4px; }
.msg.tool { align-self: flex-start; background: var(--bg2); border-left: 3px solid var(--yellow); font-family: monospace; font-size: 0.8em; max-width: 90%; }

/* ── Tool Groups ── */
.tool-group { align-self: flex-start; background: var(--bg2); border-left: 3px solid var(--yellow); border-radius: var(--radius-sm); max-width: 85%; padding: 0; overflow: hidden; font-size: 0.82em; }
.tool-group-header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; cursor: pointer; user-select: none; transition: background var(--transition); }
.tool-group-header:hover { background: var(--bg3); }
.tool-group-icon { display: flex; align-items: center; }
.tool-group-label { font-weight: 500; color: var(--fg); white-space: nowrap; }
.tool-group-names { color: var(--fg2); font-family: 'SF Mono', Monaco, monospace; font-size: 0.85em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.tool-group-chevron { color: var(--fg3); transition: transform 0.2s ease; display: flex; }
.tool-group.expanded .tool-group-chevron { transform: rotate(90deg); }
.tool-group-details { display: none; border-top: 1px solid var(--bg3); }
.tool-group.expanded .tool-group-details { display: block; }
.tool-group-item { padding: 6px 12px; border-bottom: 1px solid var(--bg3); }
.tool-group-item:last-child { border-bottom: none; }
.tool-item-name { font-family: 'SF Mono', Monaco, monospace; color: var(--accent2); font-size: 0.85em; font-weight: 500; }
.tool-item-input { background: rgba(0,0,0,0.2); padding: 6px 8px; border-radius: 4px; margin-top: 4px; font-size: 0.8em; color: var(--fg2); overflow-x: auto; max-height: 200px; overflow-y: auto; white-space: pre-wrap; word-break: break-all; }

/* ── Typing Indicator ── */
.typing-indicator { align-self: flex-start; padding: 12px 16px; background: var(--bg3); border-radius: var(--radius); border-bottom-left-radius: 4px; display: none; }
.typing-indicator.visible { display: flex; gap: 4px; align-items: center; }
.typing-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--fg2); animation: typingBounce 1.4s infinite; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-6px); opacity: 1; } }

/* ── Input Area ── */
.input-area {
  padding: 12px var(--gap); border-top: 1px solid var(--glass-border);
  background: var(--bg2); display: flex; gap: 8px; align-items: flex-end;
  flex-shrink: 0; position: relative; z-index: 10;
}
.input-area textarea {
  flex: 1; background: var(--bg3); border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 10px 14px; color: var(--fg);
  font: inherit; font-size: 0.9em; resize: none; outline: none;
  min-height: 42px; max-height: 140px; transition: border var(--transition);
}
.input-area textarea:focus { border-color: var(--accent); }
.input-area .btn-send {
  background: var(--accent-gradient); color: white; border: none;
  border-radius: var(--radius-sm); padding: 10px 18px; cursor: pointer;
  font-weight: 550; font-size: 0.9em; transition: all var(--transition);
  white-space: nowrap; font-family: inherit;
  box-shadow: 0 2px 8px rgba(108,92,231,0.25);
  display: flex; align-items: center; gap: 6px;
}
.input-area .btn-send:hover { opacity: 0.9; box-shadow: 0 4px 12px rgba(108,92,231,0.35); }
.input-area .btn-send:disabled { opacity: 0.35; cursor: not-allowed; box-shadow: none; }
.input-area .btn-icon {
  background: var(--bg3); border: none; color: var(--fg2);
  border-radius: var(--radius-sm); padding: 10px; cursor: pointer;
  font-size: 1.1em; transition: all var(--transition);
  display: flex; align-items: center;
}
.input-area .btn-icon:hover { background: var(--bg4); color: var(--fg); }

/* ── Drag & Drop ── */
.messages.drag-over {
  outline: 2px dashed var(--accent2); outline-offset: -4px;
  background: rgba(108,92,231,0.05);
}
.messages.drag-over::after {
  content: attr(data-drop-text);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1em; color: var(--accent2);
  background: rgba(10,10,11,0.85); border-radius: var(--radius);
  pointer-events: none; z-index: 20;
}

/* ── Reply / File Preview ── */
.msg .msg-reply-btn {
  display: none; position: absolute; top: 4px; right: 4px;
  background: var(--bg3); border: none; color: var(--fg2);
  border-radius: 4px; padding: 2px 6px; cursor: pointer;
  font-size: 0.75em; opacity: 0.7; transition: opacity 0.15s;
}
.msg:hover .msg-reply-btn { display: flex; align-items: center; gap: 2px; }
.msg .msg-reply-btn:hover { opacity: 1; background: var(--accent); color: white; }
.msg .reply-quote { font-size: 0.8em; color: var(--fg2); border-left: 2px solid var(--accent2); padding-left: 8px; margin-bottom: 6px; opacity: 0.8; max-height: 40px; overflow: hidden; text-overflow: ellipsis; }
.msg .file-badge { font-size: 0.78em; background: var(--bg3); padding: 3px 8px; border-radius: 4px; margin-bottom: 4px; display: inline-flex; align-items: center; gap: 4px; }

/* ── Cards ── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--gap); }
.card {
  background: var(--glass-bg); border-radius: var(--radius);
  padding: 20px; border: 1px solid var(--glass-border);
  transition: border var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.card:hover { border-color: rgba(108,92,231,0.2); box-shadow: var(--shadow-sm); }
.card h3 { font-size: 0.72em; color: var(--fg2); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.card .value { font-size: 1.6em; font-weight: 650; }
.card .sub { color: var(--fg2); font-size: 0.78em; margin-top: 4px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8em; color: var(--fg2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.03em; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea, .input {
  width: 100%; background: var(--bg3); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 10px 12px; color: var(--fg);
  font: inherit; font-size: 0.9em; outline: none; transition: border var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus, .input:focus { border-color: var(--accent); }

.btn {
  background: var(--accent-gradient); color: white; border: none;
  border-radius: var(--radius-sm); padding: 8px 16px; cursor: pointer;
  font-size: 0.85em; font-weight: 550; transition: all var(--transition);
  font-family: inherit; display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { opacity: 0.88; box-shadow: 0 2px 8px rgba(108,92,231,0.25); }
.btn-sm { padding: 5px 12px; font-size: 0.78em; }
.btn-outline {
  background: transparent; border: 1px solid var(--glass-border); color: var(--fg2);
  box-shadow: none;
}
.btn-outline:hover { border-color: var(--accent); color: var(--fg); box-shadow: none; }
.btn-danger { background: var(--red); }
.btn-danger:hover { box-shadow: 0 2px 8px rgba(225,112,85,0.3); }
.btn-success { background: var(--green); }

/* ── Lists ── */
.list-item {
  padding: 12px 16px; border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; gap: 12px;
  transition: background var(--transition);
}
.list-item:hover { background: var(--bg3); }
.list-item:last-child { border-bottom: none; }
.list-item .icon { font-size: 1.2em; width: 28px; text-align: center; display: flex; align-items: center; justify-content: center; }
.list-item .info { flex: 1; min-width: 0; }
.list-item .info .name { font-weight: 500; font-size: 0.9em; }
.list-item .info .desc { font-size: 0.78em; color: var(--fg2); margin-top: 2px; }

/* ── File List ── */
.file-item {
  padding: 10px 16px; border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  font-size: 0.88em; transition: background var(--transition);
}
.file-item:hover { background: var(--bg3); }
.file-item .file-icon { width: 22px; text-align: center; display: flex; align-items: center; justify-content: center; }
.file-item .file-name { flex: 1; }
.file-item .file-meta { color: var(--fg2); font-size: 0.75em; }

/* ── Editor ── */
.editor {
  width: 100%; min-height: 350px; background: var(--bg3);
  border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  padding: 14px; color: var(--fg); font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-size: 0.82em; resize: vertical; outline: none;
  line-height: 1.5; transition: border var(--transition);
}
.editor:focus { border-color: var(--accent); }
.editor-toolbar {
  display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center;
}
.editor-toolbar select {
  background: var(--bg3); color: var(--fg); border: 1px solid var(--glass-border);
  border-radius: 6px; padding: 6px 12px; cursor: pointer; font-size: 0.82em; font-family: inherit;
}

/* ── Terminal ── */
.terminal-output {
  background: var(--bg2); border-radius: var(--radius-sm); padding: 16px;
  font-family: 'SF Mono', Monaco, monospace; font-size: 0.82em;
  min-height: 300px; max-height: 60vh; overflow-y: auto;
  white-space: pre-wrap; color: var(--green); line-height: 1.5;
  border: 1px solid var(--glass-border);
}
.term-cmd { color: var(--accent2); }
.term-err { color: var(--red); }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 12px 20px;
  font-size: 0.85em; z-index: 10000;
  animation: slideUp 0.3s ease;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: flex; align-items: center; gap: 8px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── Setup Cards ── */
.setup-card { transition: border var(--transition), box-shadow var(--transition); }
.setup-card:hover { border-color: rgba(108,92,231,0.2); box-shadow: 0 2px 12px rgba(108,92,231,0.06); }
.setup-card details summary { list-style: none; }
.setup-card details summary::-webkit-details-marker { display: none; }
.setup-card details summary::before { content: ""; }
.setup-card a { text-decoration: none; color: var(--accent2); }
.setup-card a:hover { text-decoration: underline; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg4); }

/* ── Drop Overlay ── */
.drop-overlay {
  position: fixed; inset: 0;
  background: rgba(108,92,231,0.15); border: 3px dashed var(--accent);
  z-index: 999; display: none; align-items: center; justify-content: center;
  font-size: 1.5em; color: var(--accent2);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.drop-overlay.visible { display: flex; }

/* ── Command Palette ── */
.cmd-palette-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 9999; display: flex; align-items: flex-start; justify-content: center;
  padding-top: min(20vh, 160px);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}
.cmd-palette {
  width: 560px; max-width: 90vw; background: var(--bg2);
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); overflow: hidden;
  animation: slideDown 0.2s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.cmd-palette-input {
  width: 100%; background: transparent; border: none;
  border-bottom: 1px solid var(--glass-border);
  padding: 16px 20px; color: var(--fg); font: inherit; font-size: 1em;
  outline: none;
}
.cmd-palette-input::placeholder { color: var(--fg3); }
.cmd-palette-results {
  max-height: 360px; overflow-y: auto; padding: 8px;
}
.cmd-palette-section {
  font-size: 0.68em; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--fg3); padding: 8px 12px 4px; font-weight: 600;
}
.cmd-palette-item {
  padding: 10px 14px; border-radius: var(--radius-sm); cursor: pointer;
  display: flex; align-items: center; gap: 10px; color: var(--fg2);
  font-size: 0.88em; transition: all 0.1s ease;
}
.cmd-palette-item:hover, .cmd-palette-item.selected {
  background: var(--accent-dim); color: var(--fg);
}
.cmd-palette-item .lucide { opacity: 0.6; }
.cmd-palette-item:hover .lucide, .cmd-palette-item.selected .lucide { opacity: 1; }
.cmd-palette-item kbd {
  margin-left: auto; font-size: 0.75em; color: var(--fg3);
  background: var(--bg3); padding: 2px 6px; border-radius: 4px;
  font-family: inherit;
}
.cmd-palette-empty {
  padding: 20px; text-align: center; color: var(--fg3); font-size: 0.88em;
}

/* ── Setup Wizard ── */
.wizard-overlay {
  position: fixed; inset: 0; background: var(--bg);
  z-index: 99999; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.wizard {
  width: 620px; max-width: 100%; background: var(--bg2);
  border: 1px solid var(--glass-border); border-radius: 16px;
  box-shadow: var(--shadow-lg); overflow: hidden;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.wizard-header {
  padding: 32px 32px 0; text-align: center;
}
.wizard-header h1 {
  font-size: 1.5em; font-weight: 700; margin-bottom: 8px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.wizard-header .wizard-subtitle { color: var(--fg2); font-size: 0.9em; }
.wizard-header .wizard-steps {
  display: flex; gap: 8px; justify-content: center; margin-top: 20px;
}
.wizard-step-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--bg4);
  transition: all 0.3s ease;
}
.wizard-step-dot.active { background: var(--accent); box-shadow: 0 0 8px var(--accent); width: 28px; border-radius: 5px; }
.wizard-step-dot.done { background: var(--green); }

.wizard-body { padding: 24px 32px; min-height: 280px; }
.wizard-body h2 { font-size: 1.1em; font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.wizard-body .wizard-desc { color: var(--fg2); font-size: 0.88em; margin-bottom: 20px; }

.wizard-body .wizard-field { margin-bottom: 16px; }
.wizard-body .wizard-field label {
  display: block; font-size: 0.82em; color: var(--fg2); margin-bottom: 6px;
  font-weight: 500; text-transform: uppercase; letter-spacing: 0.03em;
}
.wizard-body .wizard-field input {
  width: 100%; background: var(--bg3); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 12px 14px; color: var(--fg);
  font: inherit; font-size: 0.9em; outline: none; transition: border 0.2s;
}
.wizard-body .wizard-field input:focus { border-color: var(--accent); }
.wizard-body .wizard-field .wizard-hint {
  font-size: 0.78em; color: var(--fg3); margin-top: 4px; line-height: 1.4;
}
.wizard-body .wizard-field .wizard-hint a { color: var(--accent2); text-decoration: none; }
.wizard-body .wizard-field .wizard-hint a:hover { text-decoration: underline; }

.wizard-body .wizard-validation {
  padding: 10px 14px; border-radius: var(--radius-sm); margin-top: 8px;
  font-size: 0.85em; animation: fadeIn 0.2s ease;
}
.wizard-body .wizard-validation.success { background: rgba(0,184,148,0.1); color: var(--green); border: 1px solid rgba(0,184,148,0.2); }
.wizard-body .wizard-validation.error { background: rgba(225,112,85,0.1); color: var(--red); border: 1px solid rgba(225,112,85,0.2); }

.wizard-provider-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px;
}
.wizard-provider-card {
  padding: 14px; border-radius: var(--radius-sm); border: 2px solid var(--glass-border);
  cursor: pointer; transition: all 0.2s ease; position: relative;
}
.wizard-provider-card:hover { border-color: var(--accent); background: var(--bg3); }
.wizard-provider-card.selected { border-color: var(--accent); background: var(--accent-dim); box-shadow: 0 0 12px rgba(108,92,231,0.15); }
.wizard-provider-card .provider-name { font-weight: 600; font-size: 0.9em; margin-bottom: 2px; }
.wizard-provider-card .provider-desc { font-size: 0.75em; color: var(--fg2); }
.wizard-provider-card .provider-badge {
  position: absolute; top: 8px; right: 8px; font-size: 0.6em;
  padding: 2px 6px; border-radius: 10px; font-weight: 600;
}
.wizard-provider-card .provider-badge.free { background: rgba(0,184,148,0.15); color: var(--green); }
.wizard-provider-card .provider-badge.recommended { background: var(--accent-dim); color: var(--accent2); }

.wizard-footer {
  padding: 16px 32px 24px; display: flex; gap: 10px; justify-content: flex-end;
}
.wizard-footer .btn { min-width: 100px; justify-content: center; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { width: 56px; }
  .sidebar .nav-item span, .sidebar-header h1 span, .sidebar-header .status,
  .nav-section, .sidebar-footer span, .sidebar-footer .lang-toggle span { display: none; }
  .sidebar-header h1 { justify-content: center; }
  .cards { grid-template-columns: 1fr; }
  .msg { max-width: 92%; }
  .chat-header { flex-wrap: wrap; }
  .cmd-palette { width: 95vw; }
}