/* ═══════════════════════════════════════════════════════════
   BUBU Brain NDA Portal — Consolidated Stylesheet
   CSP-compliant: no inline styles, style-src 'self'
   Mobile-first, high contrast, professional
   ═══════════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg: #0a0f1a;
  --bg-card: #111827;
  --bg-hero: linear-gradient(135deg, #1a2332 0%, #0f172a 100%);
  --text1: #f0f4fa;
  --text2: #c5d0e0;
  --text3: #8899b0;
  --text4: #5a6d85;
  --accent: #4f8ff7;
  --accent2: #38bdf8;
  --accent-dim: rgba(79, 143, 247, 0.12);
  --border: #1e2d42;
  --border-light: #2a3a52;
  --error: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 8px;
  --radius-lg: 12px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg); color: var(--text2); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Utility ── */
.hidden { display: none; }
.mono { font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace; }

/* ── Topbar ── */
.portal-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.portal-topbar-left { display: flex; align-items: center; gap: 10px; }
.portal-topbar-logo { font-size: 26px; }
.portal-topbar-title { font-size: 17px; font-weight: 600; color: var(--text1); }
.portal-topbar-right { display: flex; align-items: center; gap: 16px; }
.portal-topbar-user { font-size: 14px; color: var(--text3); }
.portal-topbar-logout {
  background: none; border: 1px solid var(--border-light); color: var(--text3);
  padding: 7px 16px; border-radius: var(--radius); font-size: 14px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.portal-topbar-logout:hover { color: var(--text1); border-color: var(--text3); }

/* ── Hero ── */
.portal-hero {
  background: var(--bg-hero); padding: 48px 24px 44px;
  border-bottom: 1px solid var(--border);
}
.portal-hero-label {
  display: block; font-size: 15px; color: var(--text3);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 6px;
}
.portal-hero-name {
  display: block; font-size: 34px; font-weight: 700; color: var(--text1);
  line-height: 1.2; margin-bottom: 18px;
}
.portal-hero-text {
  font-size: 18px; line-height: 1.7; color: var(--text2); max-width: 620px;
}

/* ── Body ── */
.portal-body { max-width: 780px; margin: 0 auto; padding: 44px 24px 64px; }
.portal-page { min-height: 100vh; display: flex; flex-direction: column; }

/* ── Sections ── */
.portal-section { margin-bottom: 52px; }
.portal-section h2 {
  font-size: 22px; font-weight: 600; color: var(--text1);
  margin-bottom: 18px;
}
.portal-section p {
  font-size: 17px; line-height: 1.75; color: var(--text2); margin-bottom: 16px;
}

/* ── Three Pillars ── */
.pillar-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.pillar {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 22px;
  transition: border-color 0.2s, transform 0.2s;
}
.pillar:hover { border-color: var(--accent2); transform: translateY(-2px); }
.pillar-icon { font-size: 34px; margin-bottom: 14px; }
.pillar h3 {
  font-size: 18px; font-weight: 600; color: var(--text1); margin-bottom: 10px;
}
.pillar p {
  font-size: 15px; line-height: 1.65; color: var(--text3); margin: 0;
}

/* ── Contrast / Abgrenzung ── */
.contrast-list { display: flex; flex-direction: column; gap: 12px; }
.contrast-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 22px;
}
.contrast-label {
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--text4); margin-bottom: 6px;
}
.contrast-label.accent {
  color: var(--accent2);
}
.contrast-text {
  font-size: 16px; line-height: 1.65; color: var(--text3);
}
.contrast-text.accent {
  color: var(--text1); font-weight: 500;
}

/* ── Trust Bar ── */
.portal-trust-bar {
  display: flex; gap: 24px; justify-content: center;
  padding: 22px; border-top: 1px solid var(--border);
  margin-bottom: 32px;
}
.portal-trust-bar span {
  font-size: 14px; color: var(--text3);
}

/* ── Footer ── */
.portal-footer {
  text-align: center; padding: 22px; font-size: 13px; color: var(--text4);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .portal-hero { padding: 32px 20px 28px; }
  .portal-hero-name { font-size: 26px; }
  .portal-hero-text { font-size: 16px; }
  .portal-body { padding: 28px 16px 40px; }
  .portal-section h2 { font-size: 20px; }
  .portal-section p { font-size: 16px; }
  .pillar p { font-size: 15px; }
  .contrast-text { font-size: 15px; }
  .portal-trust-bar { flex-direction: column; gap: 10px; align-items: center; }
  .portal-trust-bar span { font-size: 14px; }
}

@media (max-width: 400px) {
  .portal-hero-label { font-size: 13px; }
  .portal-hero-name { font-size: 22px; }
  .portal-hero-text { font-size: 15px; }
  .portal-topbar { padding: 12px 14px; }
  .portal-topbar-title { font-size: 15px; }
  .portal-section p { font-size: 15px; line-height: 1.7; }
  .pillar { padding: 22px 18px; }
  .contrast-item { padding: 16px 18px; }
}

@media print {
  .portal-topbar, .portal-footer { display: none; }
  .portal-hero { background: #fff; color: #000; }
  .portal-hero-name { color: #000; }
  body { background: #fff; color: #333; }
}

/* ═══════════════════════════════════════════════════════════
   AUTH / NDA / ACTIVATE / ADMIN styles (kept for other pages)
   ═══════════════════════════════════════════════════════════ */

/* ── Gate (shared) ── */
.gate { max-width: 440px; margin: 40px auto; padding: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.gate h1 { font-size: 22px; color: var(--text1); margin-bottom: 8px; }
.gate .sub { font-size: 14px; color: var(--text3); margin-bottom: 20px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text3); margin-bottom: 4px; }
.form-group input[type="text"], .form-group input[type="email"], .form-group input[type="password"] {
  width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text1); font-size: 14px;
}
.form-group input:focus { outline: none; border-color: var(--accent); }

/* ── Buttons ── */
button, .button { padding: 10px 20px; background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius); font-size: 14px; cursor: pointer; transition: background 0.2s; }
button:hover, .button:hover { background: #3b7ce0; }
button.secondary { background: transparent; border: 1px solid var(--border-light); color: var(--text3); }
button.secondary:hover { color: var(--text1); border-color: var(--text3); }
button.continue { background: var(--success); }
button.continue:hover { background: #16a34a; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Code Input ── */
.code-input { display: flex; gap: 8px; margin: 16px 0; }
.code-input input { width: 40px; height: 48px; text-align: center; font-size: 20px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text1); }

/* ── Messages ── */
.msg { margin-top: 12px; font-size: 13px; min-height: 20px; }
.msg.error { color: var(--error); }
.msg.success { color: var(--success); }

/* ── Badges ── */
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.badge.blue { background: rgba(79, 143, 247, 0.15); color: var(--accent); }
.badge.green { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge.gold { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

/* ── Step Indicator ── */
.step-indicator { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; font-size: 13px; color: var(--text3); }
.step-indicator .step { padding: 4px 8px; border-radius: 4px; }
.step-indicator .step.active { background: rgba(79, 143, 247, 0.15); color: var(--accent); }
.step-indicator .step.done { color: var(--success); }
.step-indicator .arrow { color: var(--text3); }

/* ── NDA ── */
.nda { max-width: 640px; margin: 24px auto; padding: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.nda h1 { font-size: 22px; color: var(--text1); margin-bottom: 8px; }
.nda h2 { font-size: 16px; color: var(--text1); margin: 20px 0 8px; }
.nda p { font-size: 14px; line-height: 1.65; color: var(--text2); margin-bottom: 10px; }
.nda ul { margin: 8px 0 12px 20px; }
.nda li { font-size: 14px; line-height: 1.65; color: var(--text2); margin-bottom: 4px; }
.nda-text { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin: 16px 0; max-height: 400px; overflow-y: auto; }
.nda .form-area { margin: 20px 0; }
.nda .form-area label { display: block; font-size: 13px; color: var(--text3); margin-bottom: 4px; }
.nda .form-area input { width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text1); font-size: 14px; margin-bottom: 12px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.checkbox-row input[type="checkbox"] { margin-top: 3px; }
.checkbox-row label { font-size: 13px; color: var(--text2); line-height: 1.5; }
.sig-area { margin: 16px 0; }
.sig-area label { display: block; font-size: 13px; color: var(--text3); margin-bottom: 8px; }
.sig-canvas-wrap { position: relative; }
.sig-canvas-wrap canvas { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); width: 100%; cursor: crosshair; }
.sig-canvas-wrap button { position: absolute; top: 8px; right: 8px; background: var(--bg-card); border: 1px solid var(--border); color: var(--text3); padding: 4px 8px; border-radius: 4px; font-size: 11px; cursor: pointer; }
.sig-line { font-size: 11px; color: var(--text3); margin-top: 6px; }

/* ── Info / Warning Boxes ── */
.info-box { background: rgba(79, 143, 247, 0.08); border: 1px solid rgba(79, 143, 247, 0.2); border-radius: var(--radius); padding: 16px; margin: 16px 0; }
.info-box h3 { font-size: 14px; color: var(--accent); margin-bottom: 8px; }
.info-box ol, .info-box ul { margin-left: 20px; }
.info-box li { font-size: 13px; color: var(--text2); margin-bottom: 4px; }
.warning-box { background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.2); border-radius: var(--radius); padding: 16px; margin: 16px 0; }
.warning { background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.2); border-radius: var(--radius); padding: 16px; margin: 16px 0; font-size: 14px; color: var(--text2); }
.warning strong { color: var(--error); }

/* ── QR ── */
.qr-image { width: 200px; height: 200px; border-radius: var(--radius); }
.secret-box { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; margin: 12px 0; }
.secret-box .label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.secret-box span { font-family: monospace; font-size: 13px; color: var(--text1); word-break: break-all; }

/* ── Phase Toggle ── */
.phase { display: none; }
.phase.active { display: block; }
.emoji-large { font-size: 64px; text-align: center; margin: 20px 0; }

/* ── Admin ── */
.header { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; background: var(--bg-card); border-bottom: 1px solid var(--border); }
.header-brand { display: flex; align-items: center; gap: 10px; }
.header-logo { font-size: 24px; }
.header-title { font-size: 16px; font-weight: 600; color: var(--text1); }
.header-badge { font-size: 11px; padding: 3px 8px; border-radius: 12px; background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.header-right { display: flex; align-items: center; gap: 16px; }
.header-user { font-size: 13px; color: var(--text3); }
.header-logout { background: none; border: 1px solid var(--border-light); color: var(--text3); padding: 6px 14px; border-radius: var(--radius); font-size: 13px; cursor: pointer; }
.header-logout:hover { color: var(--text1); border-color: var(--text3); }
.main { max-width: 760px; margin: 0 auto; padding: 24px; }
.warning-banner { background: rgba(245, 158, 11, 0.08); border: 1px solid rgba(245, 158, 11, 0.2); border-radius: var(--radius); padding: 16px; margin-bottom: 24px; font-size: 14px; color: var(--text2); }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px; }
.card h2 { font-size: 18px; color: var(--text1); margin-bottom: 16px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.token-result { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-top: 16px; display: none; }
.token-result.show { display: block; }
.token-value { font-family: monospace; font-size: 14px; color: var(--accent); word-break: break-all; margin: 8px 0; }
.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 12px; }
.admin-table th { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); color: var(--text3); font-weight: 500; }
.admin-table td { padding: 8px; border-bottom: 1px solid var(--border); color: var(--text2); }
.copy-btn { background: var(--accent); color: #fff; border: none; padding: 6px 12px; border-radius: var(--radius); cursor: pointer; font-size: 12px; margin-top: 8px; }
.password-toggle { position: relative; }
.password-toggle .eye { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--text3); cursor: pointer; font-size: 16px; }
.confirm-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 100; justify-content: center; align-items: center; }
.confirm-overlay.active { display: flex; }
.confirm-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; max-width: 400px; }
.confirm-box h3 { font-size: 16px; color: var(--text1); margin-bottom: 12px; }
.confirm-box p { font-size: 14px; color: var(--text2); margin-bottom: 20px; }
.btn-row { display: flex; gap: 12px; }
.btn-row .danger { background: var(--error); }
.tag { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; background: rgba(79, 143, 247, 0.1); color: var(--accent); margin: 2px; }
.tag.green { background: rgba(34, 197, 94, 0.1); color: var(--success); }
.status { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; margin: 2px; }
.status.active { background: rgba(34, 197, 94, 0.1); color: var(--success); }
.status.disabled { background: rgba(239, 68, 68, 0.1); color: var(--error); }
.status.used { background: rgba(107, 114, 128, 0.1); color: var(--text3); }
.status.expired { background: rgba(245, 158, 11, 0.1); color: var(--warning, #f59e0b); }
.status.nda { background: rgba(34, 197, 94, 0.1); color: var(--success); }

/* ── Landing Page (index.html) ── */
.gate .logo { font-size: 48px; text-align: center; margin-bottom: 12px; }
.gate h1 { text-align: center; }
.gate .sub { text-align: center; }
.steps { margin: 20px 0; }
.steps h3 { font-size: 15px; color: var(--text1); margin-bottom: 10px; }
.steps ol { margin-left: 20px; }
.steps li { font-size: 14px; color: var(--text2); margin-bottom: 6px; }
.footer-note { margin-top: 24px; font-size: 11px; color: var(--text4); text-align: center; line-height: 1.6; }
.footer-link { margin-top: 24px; font-size: 11px; color: var(--text4); }
.accent-link { color: var(--accent); }
.user-info { font-size: 14px; color: var(--text1); margin-bottom: 12px; }
.code-hint { font-size: 13px; color: var(--text3); margin-bottom: 8px; }
.attempts, .timer { font-size: 12px; color: var(--text3); margin-top: 4px; }
.badge-row { margin: 12px 0; }
/* ── Benefit List (Portal Welcome) ── */
.benefit-list { display: flex; flex-direction: column; gap: 16px; }
.benefit-item { display: flex; align-items: flex-start; gap: 16px; }
.benefit-item .benefit-icon { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
.benefit-item strong { display: block; font-size: 16px; color: var(--text1); margin-bottom: 4px; }
.benefit-item p { font-size: 15px; line-height: 1.6; color: var(--text2); margin: 0; }

/* ── Ownership Grid ── */
.ownership-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.ownership-item { display: flex; align-items: flex-start; gap: 14px; }
.ownership-item .ownership-icon { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
.ownership-item strong { display: block; font-size: 15px; color: var(--text1); margin-bottom: 3px; }
.ownership-item p { font-size: 14px; line-height: 1.6; color: var(--text2); margin: 0; }

/* ── Missing Utility Classes ── */
.hint-text { font-size: 13px; color: var(--text3); margin: 6px 0 0; }
.info { font-size: 13px; color: var(--text3); margin: 4px 0; }
.lock { font-size: 48px; text-align: center; margin: 20px 0; }
.mt-lg { margin-top: 24px; }
.qr-area { text-align: center; margin: 16px 0; }

@media (max-width: 700px) {
  .ownership-grid { grid-template-columns: 1fr; }
}
@media (max-width: 400px) {
  .ownership-item p { font-size: 15px; }
}