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

html, body {
  font-family: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

/* ============ HEADER ============ */
.app-header {
  background: var(--navy);
  border-bottom: 2px solid var(--cyan);
  position: sticky;
  top: 0;
  z-index: 50;
}
.app-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 28px;
  height: 28px;
  background: var(--cyan);
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--navy);
  font-weight: 800;
  font-size: 14px;
}
.logo .portal-tag {
  font-weight: 400;
  color: #94a3b8;
  font-size: 13px;
  padding-left: 10px;
  margin-left: 4px;
  border-left: 1px solid #334155;
}
.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #cbd5e1;
  font-size: 13px;
}
.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-2) 100%);
  color: var(--navy);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 12px;
}
.user-chip .user-name { color: white; font-weight: 500; }
.user-chip .user-name small { display: block; color: #94a3b8; font-size: 11px; font-weight: 400; }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid #334155;
  color: #cbd5e1;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.icon-btn:hover { background: #1a3a63; border-color: #475569; color: white; }
.icon-btn.active { background: var(--cyan); border-color: var(--cyan); color: var(--navy); }

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid #334155;
  color: #cbd5e1;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}
.btn-logout:hover { background: #1a3a63; border-color: #475569; color: white; }

/* ============ MAIN LAYOUT ============ */
.main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}

/* ============ PAGE HEADER ============ */
.page-header { margin-bottom: 28px; }
.page-eyebrow {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-eyebrow a {
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}
.page-eyebrow a:hover { color: var(--cyan); }
.page-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 8px;
}
.page-subtitle { color: var(--text-secondary); font-size: 15px; }
.page-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* ============ SECURITY FOOTER NOTE ============ */
.security-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 14px 18px;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-secondary);
}
.security-note svg { color: var(--cyan-2); flex-shrink: 0; }
.security-note strong { color: var(--navy); font-weight: 600; }

/* ============ UTILITY ============ */
.hidden { display: none !important; }
.icon { display: inline-block; flex-shrink: 0; vertical-align: middle; }

@media (max-width: 900px) {
  .main { padding: 28px 20px 60px; }
  .page-title { font-size: 26px; }
  .app-header-inner { padding: 14px 20px; }
  .user-chip .user-name small { display: none; }
}

@media (max-width: 560px) {
  .app-header-inner { padding: 10px 14px; gap: 10px; flex-wrap: nowrap; }
  .logo { flex-shrink: 0; }
  .logo .portal-tag { display: none; }
  .header-right { gap: 6px; flex-shrink: 0; }
  .user-chip .user-name { display: none; }
  .icon-btn { width: 32px; height: 32px; flex-shrink: 0; }
  .btn-logout {
    width: 32px;
    height: 32px;
    padding: 0;
    justify-content: center;
    flex-shrink: 0;
  }
  .btn-logout-text { display: none; }
  .main { padding: 20px 16px 48px; }
  .page-title { font-size: 21px; }
  .page-subtitle { font-size: 13px; }
}