/* JAIXLAB Consulting — Minimal Dark Theme */
:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface2: #1e1e1e;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --dim: #888;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --warn: #f59e0b;
  --error: #ef4444;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'SF Mono', 'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; }

/* Login */
.login-card {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 48px 40px; text-align: center; width: 360px; max-width: 90vw;
}
.login-card h1 { font-size: 24px; letter-spacing: 4px; margin-bottom: 4px; }
.login-card .subtitle { color: var(--dim); font-size: 13px; margin-bottom: 32px; }
.login-card input {
  width: 100%; padding: 12px 16px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px; margin-bottom: 12px;
  outline: none; transition: border-color 0.2s;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button {
  width: 100%; padding: 12px; background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius); font-size: 14px; cursor: pointer; transition: background 0.2s;
}
.login-card button:hover { background: var(--accent-hover); }
.error { color: var(--error); font-size: 12px; margin-top: 8px; }

/* Header */
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--surface);
}
header h1 { font-size: 16px; letter-spacing: 3px; }
.header-left { display: flex; align-items: center; gap: 12px; }
.badge {
  font-size: 11px; padding: 3px 8px; border-radius: 4px;
  background: var(--surface2); border: 1px solid var(--border); color: var(--dim);
}

/* Buttons */
.btn-text { background: none; border: none; color: var(--dim); cursor: pointer; font-size: 13px; }
.btn-text:hover { color: var(--text); }
.btn-icon { background: none; border: none; color: var(--text); cursor: pointer; font-size: 18px; padding: 4px 8px; }
.btn-primary {
  padding: 10px 20px; background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius); cursor: pointer; font-size: 13px;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

/* Main layout */
main { max-width: 960px; margin: 0 auto; padding: 24px; }

/* Sessions */
.panel-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.panel-header h2 { font-size: 16px; font-weight: 500; }

.sessions-list { display: flex; flex-direction: column; gap: 8px; }
.session-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 20px; cursor: pointer; transition: border-color 0.2s;
  display: flex; justify-content: space-between; align-items: center;
}
.session-card:hover { border-color: var(--accent); }
.session-topic { font-size: 14px; font-weight: 500; }
.session-meta { font-size: 11px; color: var(--dim); margin-top: 4px; }
.session-status { font-size: 11px; padding: 2px 8px; border-radius: 4px; }
.status-done { background: rgba(34,197,94,0.15); color: var(--success); }
.status-pending { background: rgba(245,158,11,0.15); color: var(--warn); }
.status-approved { background: rgba(59,130,246,0.15); color: var(--accent); }
.status-error { background: rgba(239,68,68,0.15); color: var(--error); }

/* Report */
.report-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.version-tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.version-tab {
  padding: 6px 12px; background: none; border: 1px solid transparent; border-radius: 4px;
  color: var(--dim); cursor: pointer; font-size: 12px;
}
.version-tab.active { color: var(--text); background: var(--surface2); border-color: var(--border); }
.report-content {
  font-size: 14px; line-height: 1.7; max-height: 60vh; overflow-y: auto;
  padding: 16px; background: var(--bg); border-radius: var(--radius);
}
.report-content h1 { font-size: 20px; margin: 16px 0 8px; }
.report-content h2 { font-size: 16px; margin: 14px 0 6px; color: var(--accent); }
.report-content h3 { font-size: 14px; margin: 12px 0 4px; }
.report-content table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 13px; }
.report-content th, .report-content td { padding: 6px 10px; border: 1px solid var(--border); text-align: left; }
.report-content th { background: var(--surface2); font-weight: 500; }
.report-content code { font-family: var(--mono); background: var(--surface2); padding: 1px 4px; border-radius: 3px; font-size: 13px; }
.report-content pre { background: var(--surface2); padding: 12px; border-radius: var(--radius); overflow-x: auto; }
.report-content blockquote { border-left: 3px solid var(--border); padding-left: 12px; color: var(--dim); margin: 8px 0; }
.placeholder { color: var(--dim); text-align: center; padding: 40px; }

/* Feedback */
.feedback-area { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.feedback-buttons { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.fb-btn {
  padding: 8px 16px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); cursor: pointer; font-size: 12px;
  transition: all 0.2s;
}
.fb-btn:hover { border-color: var(--accent); }
.fb-btn.selected { background: var(--accent); border-color: var(--accent); color: #fff; }
.fb-approve.selected { background: var(--success); border-color: var(--success); }
.feedback-area textarea {
  width: 100%; padding: 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 13px; resize: vertical;
  outline: none; margin-bottom: 8px;
}
.feedback-area textarea:focus { border-color: var(--accent); }

/* Landing */
.landing { min-height: 100vh; display: flex; flex-direction: column; }
.landing-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 40px; border-bottom: 1px solid var(--border);
}
.logo { font-size: 16px; letter-spacing: 4px; font-weight: 600; }
.btn-outline {
  padding: 8px 20px; background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); cursor: pointer; font-size: 13px;
  transition: all 0.2s;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.hero {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  max-width: 960px; margin: 0 auto; padding: 80px 40px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px); font-weight: 300; line-height: 1.1;
  letter-spacing: -1px; margin-bottom: 20px;
}
.hero-sub { font-size: 16px; color: var(--dim); max-width: 480px; line-height: 1.6; margin-bottom: 60px; }

.hero-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.feature { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.2s; }
.feature:hover { border-color: var(--accent); }
.feature-num { font-size: 11px; color: var(--accent); letter-spacing: 2px; margin-bottom: 12px; }
.feature h3 { font-size: 15px; font-weight: 500; margin-bottom: 8px; }
.feature p { font-size: 13px; color: var(--dim); line-height: 1.5; }

.landing-footer {
  padding: 20px 40px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--dim); text-align: center;
}
.landing-footer a { color: var(--accent); text-decoration: none; }

/* Auth question */
.auth-question { font-size: 14px; color: var(--text); margin-bottom: 12px; line-height: 1.5; text-align: left; }

/* Responsive */
@media (max-width: 640px) {
  main { padding: 12px; }
  .login-card { padding: 32px 24px; }
  .session-card { flex-direction: column; align-items: flex-start; gap: 8px; }
  .feedback-buttons { flex-direction: column; }
}