/* ===================================================================
   GFSEP — Claude warm-terminal theme
   =================================================================== */
:root {
    --claude-orange: #D97706;
    --claude-orange-dark: #B45309;
    --claude-orange-light: #FCD34D;
    --bg-dark: #1A1A1A;
    --bg-elevated: #2A2A2A;
    --bg-input: #232323;
    --text-primary: #FAFAF9;
    --text-secondary: #A8A29E;
    --border: #3F3F3F;
    --green: #10B981;
    --yellow: #EAB308;
    --red: #EF4444;
    --gray: #6B7280;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}
h1, h2 { font-weight: 600; }
a { color: var(--claude-orange); text-decoration: none; }
code { font-family: var(--font-mono); background: var(--bg-input); padding: 1px 5px; border-radius: 4px; font-size: .9em; }

/* ---- buttons ---- */
.btn-orange {
    background: var(--claude-orange); color: #1A1A1A; border: none; font-weight: 600;
    padding: 9px 16px; border-radius: 8px; cursor: pointer; font-family: var(--font-sans);
    transition: background .15s;
}
.btn-orange:hover { background: var(--claude-orange-light); }
.btn-orange:disabled { opacity: .45; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-ghost {
    background: transparent; color: var(--text-secondary); border: 1px solid var(--border);
    padding: 6px 12px; border-radius: 8px; cursor: pointer;
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--claude-orange); }

/* ---- spinner / loading ---- */
.spinner {
    width: 22px; height: 22px; border: 3px solid var(--border);
    border-top-color: var(--claude-orange); border-radius: 50%;
    display: inline-block; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-full { display: flex; align-items: center; justify-content: center; height: 100vh; }

/* ---- login ---- */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 30% 20%, #2A2320 0%, var(--bg-dark) 60%);
    padding: 20px;
}
.login-card {
    background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 16px;
    padding: 40px 34px; width: 100%; max-width: 380px;
    box-shadow: 0 12px 48px rgba(0,0,0,.5);
}
.login-brand { text-align: center; margin-bottom: 26px; }
.brand-glyph-lg { font-family: var(--font-mono); font-size: 42px; color: var(--claude-orange); font-weight: 700; }
.login-brand h1 { margin: 8px 0 2px; letter-spacing: 2px; }
.login-sub { color: var(--text-secondary); font-size: 13px; margin: 0; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-secondary); }
.login-form input, .cell-input, .convo-search, .chat-input, .ws-select, .create-row input, .create-row select {
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text-primary);
    padding: 10px 12px; border-radius: 8px; font-family: var(--font-sans); font-size: 14px;
}
.login-form input:focus, .chat-input:focus { outline: none; border-color: var(--claude-orange); }
.login-error { background: rgba(239,68,68,.12); border: 1px solid var(--red); color: #FCA5A5; padding: 9px; border-radius: 8px; margin-bottom: 14px; font-size: 13px; }
.login-foot { text-align: center; color: var(--text-secondary); font-size: 12px; margin-top: 22px; font-family: var(--font-mono); }

/* ---- app shell / topbar ---- */
.app-shell { display: flex; flex-direction: column; height: 100vh; }
.topbar {
    display: flex; align-items: center; gap: 24px; padding: 0 18px; height: 56px;
    background: var(--bg-elevated); border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand-glyph { font-family: var(--font-mono); color: var(--claude-orange); font-weight: 700; font-size: 20px; }
.brand-name { font-weight: 700; letter-spacing: 1px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tab {
    padding: 8px 16px; border-radius: 8px; color: var(--text-secondary); font-weight: 500; font-size: 14px;
}
.tab:hover { color: var(--text-primary); background: rgba(255,255,255,.04); }
.tab-active { color: var(--claude-orange); background: rgba(217,119,6,.12); }
.user-menu { display: flex; align-items: center; gap: 10px; }
.user-name { font-weight: 600; font-size: 14px; }
.user-role { font-size: 11px; color: var(--claude-orange); border: 1px solid var(--border); border-radius: 20px; padding: 2px 8px; text-transform: uppercase; }
.logout-form { margin: 0; }
.app-main { flex: 1; overflow: hidden; }
.access-denied { text-align: center; padding: 80px 20px; }

/* ---- chat ---- */
.chat-shell { display: flex; height: 100%; }
.convo-sidebar {
    width: 260px; flex-shrink: 0; background: var(--bg-elevated); border-right: 1px solid var(--border);
    padding: 14px; display: flex; flex-direction: column; gap: 12px; overflow-y: auto;
}
.convo-search { width: 100%; }
.convo-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.convo-item { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.convo-item:hover { background: rgba(255,255,255,.04); }
.convo-item.active { background: rgba(217,119,6,.14); }
.convo-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.convo-del { background: none; border: none; color: var(--text-secondary); cursor: pointer; opacity: 0; }
.convo-item:hover .convo-del { opacity: 1; }
.convo-empty, .convo-del:hover { color: var(--text-secondary); }
.convo-del:hover { color: var(--red); }

.chat-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.chat-messages { flex: 1; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 20px; }
.chat-greeting { text-align: center; margin: auto; color: var(--text-secondary); }
.chat-greeting h2 { color: var(--text-primary); }
.msg { display: flex; flex-direction: column; gap: 5px; max-width: 780px; width: 100%; margin: 0 auto; }
.msg-role { font-size: 12px; color: var(--text-secondary); font-family: var(--font-mono); }
.msg-content { line-height: 1.6; white-space: pre-wrap; word-wrap: break-word; }
.msg-user { align-items: flex-end; }
.msg-user .msg-content { background: var(--bg-elevated); border: 1px solid var(--border); padding: 10px 14px; border-radius: 12px; }
.msg-assistant .msg-content { border-left: 2px solid var(--claude-orange); padding-left: 14px; }
.cursor-blink { animation: blink 1s step-start infinite; color: var(--claude-orange); }
@keyframes blink { 50% { opacity: 0; } }

.quick-actions { display: flex; gap: 8px; flex-wrap: wrap; padding: 8px 24px; }
.quick-actions button { background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-secondary); padding: 6px 12px; border-radius: 20px; font-size: 13px; cursor: pointer; }
.quick-actions button:hover { border-color: var(--claude-orange); color: var(--text-primary); }
.websearch-toggle { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); color: var(--text-secondary); padding: 5px 12px; border-radius: 20px; font-size: 13px; cursor: pointer; margin-left: auto; }
.websearch-toggle.on { border-color: var(--claude-orange); color: var(--claude-orange-light); }
.websearch-toggle input { accent-color: var(--claude-orange); }
.chat-input-row { display: flex; gap: 10px; align-items: flex-end; padding: 14px 24px 8px; border-top: 1px solid var(--border); }
.chat-input { flex: 1; resize: none; max-height: 160px; }
.attach-btn { cursor: pointer; font-size: 20px; padding: 8px; }
.send-btn { align-self: stretch; }
.attach-chips { display: flex; gap: 6px; flex-wrap: wrap; padding: 0 24px 10px; }
.chip { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; font-size: 12px; font-family: var(--font-mono); }
.chip-error { border-color: var(--red); color: #FCA5A5; }

/* ---- terminal ---- */
.terminal-shell { display: flex; flex-direction: column; height: 100%; padding: 14px; gap: 12px; }
.terminal-toolbar { display: flex; align-items: center; justify-content: space-between; }
.workspace-switch { display: flex; align-items: center; gap: 8px; }
.ws-label { color: var(--text-secondary); font-size: 13px; }
.terminal-frame-wrap { flex: 1; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--bg-dark); }
.terminal-frame { width: 100%; height: 100%; border: none; }
.terminal-note { color: var(--text-secondary); font-size: 13px; margin: 0; }
.mobile-only { display: none; }

/* ---- health dashboard ---- */
.health-shell { padding: 20px; height: 100%; overflow-y: auto; }
.health-banner { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-radius: 12px; margin-bottom: 20px; font-weight: 600; font-size: 18px; border: 1px solid var(--border); }
.banner-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--gray); }
.banner-time { margin-left: auto; font-size: 12px; color: var(--text-secondary); font-family: var(--font-mono); font-weight: 400; }
.banner-healthy { border-color: var(--green); } .banner-healthy .banner-dot { background: var(--green); box-shadow: 0 0 12px var(--green); }
.banner-warning { border-color: var(--yellow); } .banner-warning .banner-dot { background: var(--yellow); }
.banner-critical { border-color: var(--red); background: rgba(239,68,68,.08); animation: flash 1.2s infinite; } .banner-critical .banner-dot { background: var(--red); }
@keyframes flash { 50% { background: rgba(239,68,68,.16); } }

.health-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.health-tile { background: var(--bg-dark); border: 2px solid var(--gray); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 6px; min-height: 120px; }
.tile-head { display: flex; align-items: center; justify-content: space-between; }
.tile-icon { font-family: var(--font-mono); color: var(--text-secondary); font-size: 13px; }
.tile-icon::before { content: attr(data-icon); }
.tile-dot { width: 24px; height: 24px; border-radius: 50%; background: var(--gray); }
.tile-name { font-weight: 600; font-size: 15px; }
.tile-metric { font-family: var(--font-mono); font-size: 22px; color: var(--text-primary); }
.tile-foot { font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); margin-top: auto; }
.tile-healthy { border-color: var(--green); box-shadow: 0 0 20px rgba(16,185,129,.18); } .tile-healthy .tile-dot { background: var(--green); }
.tile-warning { border-color: var(--yellow); animation: pulse-yellow 2.5s infinite; } .tile-warning .tile-dot { background: var(--yellow); }
.tile-critical { border-color: var(--red); animation: pulse-red 1.2s infinite; } .tile-critical .tile-dot { background: var(--red); }
.tile-unknown { border-color: var(--gray); opacity: .7; }
@keyframes pulse-red { 0%,100% { box-shadow: 0 0 6px rgba(239,68,68,.4); } 50% { box-shadow: 0 0 22px rgba(239,68,68,.8); } }
@keyframes pulse-yellow { 0%,100% { box-shadow: 0 0 4px rgba(234,179,8,.2); } 50% { box-shadow: 0 0 14px rgba(234,179,8,.5); } }
.health-empty { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); padding: 30px; }

/* ---- admin ---- */
.admin-shell { padding: 24px; height: 100%; overflow-y: auto; max-width: 1100px; margin: 0 auto; }
.admin-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.admin-subnav { display: flex; gap: 6px; }
.admin-subnav a { padding: 6px 14px; border-radius: 8px; color: var(--text-secondary); }
.admin-subnav a.active { color: var(--claude-orange); background: rgba(217,119,6,.12); }
.admin-table { width: 100%; border-collapse: collapse; margin-bottom: 28px; }
.admin-table th, .admin-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
.admin-table th { color: var(--text-secondary); font-weight: 500; font-size: 12px; text-transform: uppercase; }
.cell-input { width: 100%; } .cell-num { width: 90px; }
.create-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.admin-msg { color: var(--green); font-size: 13px; }
.over-cap { background: rgba(239,68,68,.08); }
.usage-summary { display: flex; gap: 14px; margin-bottom: 22px; }
.usage-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; padding: 16px 22px; display: flex; flex-direction: column; }
.usage-num { font-family: var(--font-mono); font-size: 26px; color: var(--claude-orange); }
.usage-lbl { color: var(--text-secondary); font-size: 12px; }

/* ---- responsive ---- */
@media (max-width: 900px) { .health-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
    .health-grid { grid-template-columns: 1fr; }
    .convo-sidebar { position: absolute; z-index: 20; height: 100%; transform: translateX(-100%); transition: transform .2s; }
    .convo-sidebar.open { transform: translateX(0); }
    .mobile-only { display: block; color: var(--yellow); font-size: 12px; }
    .topbar { gap: 12px; padding: 0 10px; }
    .user-name, .user-role { display: none; }
    .chat-messages, .chat-input-row, .quick-actions { padding-left: 12px; padding-right: 12px; }
}

/* error UI (framework) */
#blazor-error-ui { display: none; position: fixed; bottom: 0; width: 100%; background: var(--red); color: #fff; padding: 10px; z-index: 1000; }
#blazor-error-ui .reload, #blazor-error-ui .dismiss { color: #fff; cursor: pointer; margin-left: 10px; }