:root {
  --color-sky: #77bef0;
  --color-sun: #ffcb61;
  --color-coral: #ff894f;
  --color-rose: #ea5b6f;
  --color-white: #ffffff;
  --color-black: #111111;
  --color-light: #f8f9fb;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --fb-radius: 16px;
  --fb-radius-sm: 12px;
  --fb-shadow: 0 8px 32px rgba(119, 190, 240, 0.18);
  --fb-font-display: "Nunito", system-ui, sans-serif;
  --fb-font-body: "DM Sans", system-ui, sans-serif;
  --fb-font-mono: "JetBrains Mono", monospace;
}

[data-bs-theme="dark"] {
  --color-light: #1a1b1e;
  --color-black: #f3f4f6;
  --color-white: #111214;
  --color-border: #2d2f36;
  --color-muted: #9ca3af;
  --fb-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.fb-body {
  font-family: var(--fb-font-body);
  color: var(--color-black);
  background: var(--color-light);
  background-image: radial-gradient(rgba(119, 190, 240, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.fb-main {
  flex: 1;
}

h1, h2, h3, .fb-display, .fb-brand, .fb-board-title, .fb-section-title {
  font-family: var(--fb-font-display);
}

.fb-navbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--fb-shadow);
}

[data-bs-theme="dark"] .fb-navbar {
  background: rgba(26, 27, 30, 0.92);
}

.fb-brand {
  font-weight: 800;
  color: var(--color-coral) !important;
  letter-spacing: -0.02em;
}

.fb-nav-avatar {
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-sun);
}

.fb-badge-count {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 0.65rem;
  background: var(--color-rose);
  color: #fff;
  border-radius: 999px;
  padding: 0 5px;
  min-width: 1rem;
  text-align: center;
}

.btn-coral {
  --bs-btn-bg: var(--color-coral);
  --bs-btn-border-color: var(--color-coral);
  --bs-btn-hover-bg: #e6733d;
  --bs-btn-hover-border-color: #e6733d;
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  border-radius: var(--fb-radius-sm);
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-coral:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 137, 79, 0.35);
}

.btn-sun {
  --bs-btn-bg: var(--color-sun);
  --bs-btn-border-color: var(--color-sun);
  --bs-btn-color: var(--color-black);
  border-radius: var(--fb-radius-sm);
  font-weight: 600;
}

.btn-ghost {
  border-radius: var(--fb-radius-sm);
  border: 2px solid var(--color-border);
  background: transparent;
}

.fb-input,
.form-control.fb-input,
.form-select.fb-input {
  border-radius: var(--fb-radius-sm);
  border-color: var(--color-border);
}

.fb-card {
  background: var(--color-white);
  border-radius: var(--fb-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--fb-shadow);
}

/* Hero */
.fb-hero {
  background: linear-gradient(165deg, rgba(119, 190, 240, 0.2), rgba(255, 203, 97, 0.15));
}

.fb-hero-blobs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.fb-hero-blobs::before,
.fb-hero-blobs::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  animation: fb-float 18s ease-in-out infinite alternate;
}

.fb-hero-blobs::before {
  width: 320px;
  height: 320px;
  background: var(--color-sky);
  top: -80px;
  right: -40px;
}

.fb-hero-blobs::after {
  width: 280px;
  height: 280px;
  background: var(--color-rose);
  bottom: -60px;
  left: -40px;
  animation-delay: -4s;
}

@keyframes fb-float {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-20px, 24px) scale(1.05); }
}

.fb-mockup-card {
  background: var(--color-white);
  border-radius: var(--fb-radius);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  transform: rotate(-1deg);
  transition: transform 0.3s ease;
}

.fb-mockup-card:hover {
  transform: rotate(0deg) translateY(-6px);
}

.fb-mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.fb-mock-note {
  border-radius: 12px;
  padding: 0.75rem;
  background: #fffef8;
  border-top: 6px solid var(--stripe, var(--color-sky));
  box-shadow: 2px 6px 20px rgba(0, 0, 0, 0.12);
  font-size: 0.8rem;
}

.fb-section-title {
  font-weight: 800;
}

.fb-step-card,
.fb-feature {
  background: var(--color-white);
  border-radius: var(--fb-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--fb-shadow);
  transition: transform 0.2s ease;
}

.fb-step-card:hover,
.fb-feature:hover {
  transform: translateY(-4px);
}

.fb-step-emoji {
  font-size: 2.5rem;
}

.fb-section-alt {
  background: linear-gradient(180deg, rgba(255, 203, 97, 0.12), transparent);
}

.fb-carousel .fb-board-card {
  min-width: 260px;
  flex: 0 0 auto;
}

.fb-board-card-inner {
  background: var(--color-white);
  border-radius: var(--fb-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--fb-shadow);
  transition: transform 0.2s ease;
  border-top: 5px solid var(--color-coral);
}

.fb-board-card:hover .fb-board-card-inner {
  transform: translateY(-4px);
}

.fb-pill {
  display: inline-block;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background: rgba(119, 190, 240, 0.2);
  font-size: 0.75rem;
  font-family: var(--fb-font-mono);
}

/* Corkboard */
.fb-board-hero {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.fb-board-title {
  font-weight: 800;
  color: var(--color-black);
}

.fb-pinned-welcome {
  background: rgba(255, 203, 97, 0.25);
  border-radius: var(--fb-radius-sm);
  border: 1px dashed var(--color-sun);
}

.fb-avatar-row {
  display: flex;
}

.fb-avatar-row .fb-avatar-ring {
  border-radius: 50%;
  border: 3px solid #fff;
  margin-left: -10px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.fb-avatar-row .fb-avatar-ring:first-child {
  margin-left: 0;
}

.fb-corkboard {
  background-color: #d4a574;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='%23b8895a' fill-opacity='0.25'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40z'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.08), transparent 50%);
  min-height: 50vh;
}

.fb-empty-corkboard {
  background: rgba(255, 255, 255, 0.85);
  border-radius: var(--fb-radius);
  padding: 2rem;
}

.fb-sticky-note {
  --rotation: 0deg;
  --stripe: var(--color-sky);
  position: relative;
  background: #fffef6;
  border-radius: 14px;
  padding: 1rem 1rem 0.75rem;
  box-shadow: 2px 6px 20px rgba(0, 0, 0, 0.18);
  transform: rotate(var(--rotation));
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.fb-sticky-note::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--stripe);
  border-radius: 14px 14px 0 0;
}

.fb-sticky-note:hover {
  transform: rotate(var(--rotation)) translateY(-4px);
  box-shadow: 4px 12px 28px rgba(0, 0, 0, 0.22);
}

@media (max-width: 767.98px) {
  .fb-sticky-note {
    transform: none;
  }
  .fb-sticky-note:hover {
    transform: translateY(-2px);
  }
}

.fb-sticky-header {
  padding-top: 0.5rem;
}

.fb-board-tile {
  border-radius: var(--fb-radius);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--fb-shadow);
  transition: transform 0.2s ease;
}

.fb-board-tile:hover {
  transform: translateY(-3px);
}

/* Note detail */
.fb-note-detail-hero {
  border-radius: 0 0 var(--fb-radius) var(--fb-radius);
}

.fb-scribble-card {
  background: var(--color-white);
  border-radius: var(--fb-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--fb-shadow);
}

.fb-link-preview {
  display: flex;
  gap: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--fb-radius-sm);
  overflow: hidden;
  max-width: 100%;
}

.fb-link-preview-img {
  width: 120px;
  object-fit: cover;
  flex-shrink: 0;
}

.fb-scribble-sticky {
  position: sticky;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-border);
  z-index: 100;
}

[data-bs-theme="dark"] .fb-scribble-sticky {
  background: rgba(26, 27, 30, 0.95);
}

/* Profile */
.fb-profile-avatar {
  border-radius: 50%;
  border: 4px solid var(--color-sky);
  object-fit: cover;
}

.fb-badge-pill {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(119, 190, 240, 0.2);
  font-size: 0.8rem;
}

.fb-swatch {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 4px;
  vertical-align: middle;
  border: 1px solid var(--color-border);
}

/* Footer */
.fb-footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
}

.fb-footer a {
  color: var(--color-muted);
  text-decoration: none;
}

.fb-footer a:hover {
  color: var(--color-coral);
}

/* Cookie */
.fb-cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 1080;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.fb-cookie-inner {
  pointer-events: auto;
  max-width: 420px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--fb-radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--fb-shadow);
  font-size: 0.9rem;
}

/* Admin */
.fb-admin-body {
  background: var(--color-light);
  font-family: var(--fb-font-body);
}

.fb-admin-nav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.fb-admin-stat {
  background: var(--color-white);
  border-radius: var(--fb-radius-sm);
  border: 1px solid var(--color-border);
}

.fb-ad-slot {
  min-height: 90px;
  border: 1px dashed var(--color-border);
  border-radius: var(--fb-radius-sm);
  background: rgba(0, 0, 0, 0.02);
}

.py-lg-6 {
  padding-top: 4.5rem !important;
  padding-bottom: 4.5rem !important;
}