/* CxCode — AI Coding Assistant Styles */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-hover: #25253a;
    --border: #2a2a3a;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #06b6d4;
    --accent-hover: #22d3ee;
    --green: #22c55e;
    --red: #ef4444;
    --yellow: #eab308;
    --sidebar-w: 260px;
    --panel-w: 420px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 16px 20px;
    font-size: 1.15rem;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-brand .icon { color: var(--accent); }

.sidebar-files {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.file-tree-header {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding: 8px 8px 4px;
    font-weight: 600;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.12s;
}

.file-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.file-item.active { background: rgba(6,182,212,0.1); color: var(--accent); }
.file-icon { font-size: 0.75rem; width: 16px; text-align: center; }

.sidebar-model {
    padding: 12px;
    border-top: 1px solid var(--border);
}

.model-selector {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.sidebar-footer a { color: var(--text-muted); text-decoration: none; }
.sidebar-footer a:hover { color: var(--text-primary); }

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Editor Area */
.editor-area {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.editor-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    flex-shrink: 0;
}

.editor-tab {
    padding: 8px 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    border-right: 1px solid var(--border);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.12s;
}

.editor-tab:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.editor-tab.active { color: var(--text-primary); background: var(--bg-primary); border-bottom: 2px solid var(--accent); }

.editor-content {
    flex: 1;
    overflow: auto;
    position: relative;
}

.CodeMirror {
    height: 100% !important;
    font-size: 13px;
}

.editor-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Chat Panel */
.chat-panel {
    width: var(--panel-w);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.chat-header {
    padding: 12px 16px;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-header .health-dot { font-size: 0.7rem; }
.chat-header .health-dot.ok { color: var(--green); }
.chat-header .health-dot.err { color: var(--red); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.msg {
    margin-bottom: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.msg.user { background: rgba(6,182,212,0.12); margin-left: 32px; }
.msg.assistant { background: var(--bg-tertiary); border: 1px solid var(--border); margin-right: 16px; }
.msg .tool-tag { font-size: 0.7rem; color: var(--accent); margin-top: 4px; font-family: monospace; }

.msg pre {
    background: var(--bg-primary);
    padding: 8px;
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.78rem;
    margin-top: 6px;
}

.msg code {
    background: var(--bg-primary);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.82rem;
}

.chat-input-area {
    padding: 12px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
}

.chat-input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.85rem;
    resize: none;
}

.chat-input:focus { outline: none; border-color: var(--accent); }

.send-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.12s;
}

.send-btn:hover { background: var(--accent-hover); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Status Bar */
.status-bar {
    height: 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 0.7rem;
    color: var(--text-muted);
    gap: 16px;
    flex-shrink: 0;
}

.status-bar .accent { color: var(--accent); }

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px;
    width: 380px;
    text-align: center;
}

.login-card h2 { margin-bottom: 20px; font-size: 1.3rem; }

.form-group { margin-bottom: 14px; text-align: left; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 4px; }

.form-group input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.form-group input:focus { outline: none; border-color: var(--accent); }

.login-btn {
    width: 100%;
    padding: 10px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 6px;
}

.login-btn:hover { background: var(--accent-hover); }

.login-error {
    background: rgba(239,68,68,0.12);
    color: var(--red);
    padding: 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #27272a; border-radius: 3px; }