:root {
  /* Base Brand Colors */
  --fsi-navy: #1c3564;
  --fsi-gold: #cfac4e;
  --fsi-teal: #005e73;

  /* Dynamic Theme Variables (Light Mode) */
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-border: rgba(66, 73, 91, 0.22);

  /* Buttons */
  --btn-primary-bg: var(--fsi-navy);
  --btn-primary-text: #ffffff;
  --btn-primary-hover: #2d6fb7;
  --btn-secondary-bg: #ecf0f8;
  --btn-secondary-text: var(--fsi-navy);
  --btn-secondary-border: rgba(28, 53, 100, 0.2);
  --btn-secondary-hover-bg: var(--fsi-navy);
  --btn-secondary-hover-text: #ffffff;

  /* Navbar */
  --nav-bg: #ffffff;
  --nav-link: var(--fsi-navy);
  --nav-hover-bg: #ecf0f8;

  /* Utilities */
  --radius-pill: 9999px;
  --shadow-md: 0 8px 22px rgba(28, 53, 100, 0.12);
  --space-6: 1.5rem;
}

[data-theme='dark'],
[data-bs-theme='dark'] {
  /* Dynamic Theme Variables (Dark Mode) */
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-text: #e2e8f0;
  --color-border: #334155;

  /* Buttons */
  --btn-primary-bg: #2563eb;
  --btn-primary-text: #eff6ff;
  --btn-primary-hover: #3b82f6;
  --btn-secondary-bg: rgba(147, 197, 253, 0.16);
  --btn-secondary-text: #dbeafe;
  --btn-secondary-border: rgba(147, 197, 253, 0.55);
  --btn-secondary-hover-bg: rgba(147, 197, 253, 0.28);
  --btn-secondary-hover-text: #ffffff;

  /* Navbar */
  --nav-bg: #1e293b;
  --nav-link: #e2e8f0;
  --nav-hover-bg: #334155;

  /* Utilities */
  --shadow-md: 0 4px 12px rgba(2, 6, 23, 0.5);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Roboto, system-ui, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
}

.fsi-container { max-width: 1100px; margin: 0 auto; padding: var(--space-6); }
.fsi-display {
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fsi-navbar {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--color-border);
}
.fsi-navbar .fsi-container { display: flex; justify-content: space-between; align-items: center; }
.fsi-brand { color: var(--nav-link); text-decoration: none; font-weight: 700; }
.fsi-nav-actions { display: flex; gap: 0.75rem; align-items: center; }

.fsi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  border-radius: 1rem;
  padding: 1.25rem;
  color: var(--color-text);
}

.fsi-primary-btn,
.fsi-secondary-btn {
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  padding: 0.55rem 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.fsi-primary-btn {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}
.fsi-primary-btn:hover {
  background: var(--btn-primary-hover);
}

.fsi-secondary-btn {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
}
.fsi-secondary-btn:hover {
  background: var(--btn-secondary-hover-bg);
  color: var(--btn-secondary-hover-text);
}

.fsi-badge-success {
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in oklab, var(--fsi-teal) 50%, transparent);
  color: var(--fsi-teal);
  padding: 0.15rem 0.5rem;
}
[data-theme='dark'] .fsi-badge-success,
[data-bs-theme='dark'] .fsi-badge-success {
  color: #5eead4;
  border-color: rgba(94, 234, 212, 0.4);
}

.fsi-account-menu { position: relative; }

.fsi-account-menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 12rem;
  margin: 0;
  padding: 0.35rem 0;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
}

.fsi-account-menu-list a {
  display: block;
  width: 100%;
  text-decoration: none;
  color: var(--color-text);
  padding: 0.5rem 0.75rem;
}

.fsi-account-menu-list a:hover,
.fsi-account-menu-list a:focus-visible {
  background: var(--nav-hover-bg);
  color: var(--nav-link);
  outline: none;
}