@import url("https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Space+Grotesk:wght@400;500;600;700&display=swap");

:root {
  color-scheme: light;
  --ft-ink: #101723;
  --ft-ink-muted: #4b5563;
  --ft-ink-soft: #667085;
  --ft-sand: #f6f3ee;
  --ft-cream: #fcfaf6;
  --ft-aqua: #e6f6f4;
  --ft-sun: #fff3cf;
  --ft-coral: #ffe5d0;
  --ft-indigo: #3856d6;
  --ft-shadow: 0 18px 50px -30px rgba(15, 23, 42, 0.5);
  --ft-shadow-soft: 0 14px 34px -22px rgba(15, 23, 42, 0.35);
  --ft-ring: rgba(56, 86, 214, 0.28);
}

body.fittrack-body {
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ft-ink);
  background: radial-gradient(circle at top left, var(--ft-aqua), transparent 45%),
    radial-gradient(circle at top right, var(--ft-sun), transparent 40%),
    radial-gradient(circle at 20% 70%, var(--ft-coral), transparent 55%),
    linear-gradient(180deg, #fbfaf8 0%, var(--ft-sand) 100%);
  min-height: 100vh;
}

.fittrack-page {
  animation: fittrack-fade-in 0.35s ease-out;
}

.fittrack-display,
.fittrack-title,
h1,
h2,
h3 {
  font-family: "DM Serif Display", "Georgia", serif;
  letter-spacing: 0.2px;
}

.fittrack-surface {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--ft-shadow);
  backdrop-filter: blur(16px);
}

.fittrack-panel {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--ft-shadow-soft);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.fittrack-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 23, 42, 0.14);
  box-shadow: 0 20px 42px -26px rgba(15, 23, 42, 0.42);
}

.fittrack-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: 0.85rem;
  padding: 0.58rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.fittrack-nav-link:hover {
  transform: translateX(2px);
}

.fittrack-nav-link-active {
  color: #fff;
  background: linear-gradient(92deg, rgba(56, 86, 214, 0.88), rgba(40, 54, 120, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 14px 22px -18px rgba(15, 23, 42, 0.9);
}

.fittrack-nav-link-idle {
  color: #d9e1f3;
}

.fittrack-nav-link-idle:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.fittrack-sidebar {
  background:
    radial-gradient(95% 64% at 24% 8%, rgba(56, 86, 214, 0.24) 0%, transparent 62%),
    radial-gradient(70% 52% at 84% 82%, rgba(251, 191, 36, 0.15) 0%, transparent 62%),
    #090f1f;
}

.fittrack-alert {
  border-radius: 1rem;
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: var(--ft-shadow-soft);
}

.fittrack-alert-success {
  background: rgba(233, 251, 245, 0.94);
  border-color: rgba(16, 185, 129, 0.35);
}

.fittrack-alert-error {
  background: rgba(255, 241, 242, 0.94);
  border-color: rgba(244, 63, 94, 0.3);
}

.fittrack-auth-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--ft-shadow);
}

.fittrack-input {
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(15, 23, 42, 0.15);
}

.fittrack-input:focus,
.fittrack-input:focus-visible {
  outline: none;
  border-color: rgba(56, 86, 214, 0.55);
  box-shadow: 0 0 0 4px var(--ft-ring);
}

.fittrack-muted {
  color: var(--ft-ink-muted);
}

.fittrack-fade-up {
  animation: fittrack-fade-up 0.5s ease both;
}

@keyframes fittrack-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fittrack-fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fittrack-pill {
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
  .fittrack-page,
  .fittrack-fade-up {
    animation: none;
  }

  .fittrack-panel {
    transition: none;
  }

  .fittrack-panel:hover,
  .fittrack-nav-link:hover {
    transform: none;
  }
}

/* ─── Drawer & Layout System ─────────────────────────────────────────────── */
.drawer-toggle {
  position: fixed;
  height: 0;
  width: 0;
  opacity: 0;
  pointer-events: none;
  margin: 0;
  padding: 0;
}

.drawer {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

/* Mobile: Off-canvas sidebar */
@media (max-width: 1023px) {
  .drawer-side {
    position: fixed;
    inset: 0;
    z-index: 50;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0.25s ease;
  }

  .drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(9, 15, 31, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 0.25s ease;
    cursor: pointer;
  }

  .drawer-side > .fittrack-sidebar {
    position: relative;
    z-index: 51;
    width: 20rem;
    max-width: 85vw;
    height: 100%;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  }

  .drawer-toggle:checked ~ .drawer-side {
    visibility: visible;
    pointer-events: auto;
  }

  .drawer-toggle:checked ~ .drawer-side .drawer-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .drawer-toggle:checked ~ .drawer-side > .fittrack-sidebar {
    transform: translateX(0);
  }
}

/* Desktop: Permanent Left Sidebar */
@media (min-width: 1024px) {
  .drawer.lg\:drawer-open {
    display: flex;
    flex-direction: row;
  }

  .drawer.lg\:drawer-open > .drawer-content {
    order: 2;
    flex: 1 1 0%;
    min-width: 0;
  }

  .drawer.lg\:drawer-open > .drawer-side {
    order: 1;
    width: 20rem;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 30;
    overflow-y: auto;
  }

  .drawer.lg\:drawer-open > .drawer-side > .drawer-overlay {
    display: none;
  }

  .drawer.lg\:drawer-open > .drawer-side > .fittrack-sidebar {
    height: 100%;
    display: flex;
    flex-direction: column;
  }
}

/* ─── Standalone Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.25rem;
  padding: 0.5rem 1rem;
  transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--ft-indigo);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, #3856d6 0%, #253fa6 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px -3px rgba(56, 86, 214, 0.5);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4464ea 0%, #2e4bc0 100%);
  box-shadow: 0 6px 20px -3px rgba(56, 86, 214, 0.65);
}

.btn-ghost {
  background: transparent;
  color: inherit;
  border-color: transparent;
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.06);
}

.btn-outline {
  background: transparent;
  border-color: rgba(15, 23, 42, 0.15);
  color: var(--ft-ink);
}

.btn-outline:hover {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.25);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: 0.625rem;
}

.btn-square {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: 0.75rem;
}