/*
  OFI Premium UI — Components Layer
  Version: v0.3.0 — Phase 3
  Requires: ofi-premium-theme.css, ofi-premium-ui.css, ofi-premium-icons.css

  Purpose:
  Reusable visual blocks for admin dashboards, business apps, learning apps,
  membership areas and product interfaces.
*/

/* ==============================
   Component sections
================================= */
.ofi-component-stack { display: grid; gap: var(--ofi-space-5); }
.ofi-component-row { display: flex; align-items: center; gap: var(--ofi-space-3); flex-wrap: wrap; }
.ofi-component-grid { display: grid; gap: var(--ofi-space-5); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ==============================
   Advanced cards
================================= */
.ofi-card--flat { box-shadow: none; }
.ofi-card--bordered { box-shadow: none; border-color: var(--ofi-border); }
.ofi-card--compact { padding: var(--ofi-space-4); border-radius: var(--ofi-radius-lg); }
.ofi-card--interactive { cursor: pointer; }
.ofi-card--interactive:hover { transform: translateY(-2px); border-color: rgba(20, 184, 166, 0.28); }
.ofi-card--gradient {
  color: var(--ofi-white);
  border-color: rgba(255,255,255,0.1);
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #115e59 100%);
}
.ofi-card--teal { background: #ecfeff; border-color: #a5f3fc; }
.ofi-card--blue { background: #eff6ff; border-color: #bfdbfe; }
.ofi-card--amber { background: #fffbeb; border-color: #fde68a; }
.ofi-card--purple { background: #faf5ff; border-color: #e9d5ff; }
.ofi-card--green { background: #ecfdf5; border-color: #bbf7d0; }
.ofi-card--red { background: #fef2f2; border-color: #fecaca; }

.ofi-card-media {
  border-radius: var(--ofi-radius-lg);
  min-height: 150px;
  background: linear-gradient(135deg, rgba(20,184,166,0.12), rgba(37,99,235,0.12));
  border: 1px solid var(--ofi-border-soft);
  display: grid;
  place-items: center;
  color: var(--ofi-muted);
  overflow: hidden;
}

.ofi-card-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--ofi-space-2);
  font-size: var(--ofi-text-xs);
  color: var(--ofi-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: var(--ofi-space-2);
}

.ofi-action-card {
  display: flex;
  align-items: flex-start;
  gap: var(--ofi-space-4);
  padding: var(--ofi-space-5);
  border: 1px solid var(--ofi-border-soft);
  border-radius: var(--ofi-radius-xl);
  background: var(--ofi-surface);
  box-shadow: var(--ofi-shadow-sm);
  transition: transform var(--ofi-transition), box-shadow var(--ofi-transition), border-color var(--ofi-transition);
}
.ofi-action-card:hover { transform: translateY(-2px); box-shadow: var(--ofi-shadow-soft); border-color: rgba(20,184,166,.22); }
.ofi-action-card__body { min-width: 0; flex: 1; }
.ofi-action-card__title { margin: 0; font-size: var(--ofi-text-lg); line-height: 1.25; font-weight: 700; }
.ofi-action-card__text { margin: var(--ofi-space-1) 0 0; color: var(--ofi-muted); font-size: var(--ofi-text-sm); }
.ofi-action-card__arrow { margin-left: auto; color: var(--ofi-muted); font-weight: 700; }

.ofi-module-card {
  display: grid;
  gap: var(--ofi-space-4);
  background: var(--ofi-surface);
  border: 1px solid var(--ofi-border-soft);
  border-radius: var(--ofi-radius-xl);
  padding: var(--ofi-space-5);
  box-shadow: var(--ofi-shadow-sm);
  transition: transform var(--ofi-transition), box-shadow var(--ofi-transition);
}
.ofi-module-card:hover { transform: translateY(-3px); box-shadow: var(--ofi-shadow-soft); }
.ofi-module-card__title { margin: 0; font-size: var(--ofi-text-lg); font-weight: 700; }
.ofi-module-card__text { margin: 0; color: var(--ofi-muted); font-size: var(--ofi-text-sm); }

/* ==============================
   Alerts and callouts
================================= */
.ofi-alert,
.ofi-callout {
  display: flex;
  align-items: flex-start;
  gap: var(--ofi-space-3);
  border-radius: var(--ofi-radius-lg);
  padding: var(--ofi-space-4);
  border: 1px solid var(--ofi-border-soft);
  background: var(--ofi-surface);
  color: var(--ofi-text-soft);
}
.ofi-alert__icon,
.ofi-callout__icon { margin-top: 1px; }
.ofi-alert__content,
.ofi-callout__content { flex: 1; min-width: 0; }
.ofi-alert__title,
.ofi-callout__title { margin: 0; color: var(--ofi-text); font-weight: 700; }
.ofi-alert__text,
.ofi-callout__text { margin: 4px 0 0; color: var(--ofi-muted); font-size: var(--ofi-text-sm); }
.ofi-alert--success { background: #ecfdf5; border-color: #bbf7d0; color: #065f46; }
.ofi-alert--warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.ofi-alert--danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.ofi-alert--info { background: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; }
.ofi-alert--premium { background: #faf5ff; border-color: #e9d5ff; color: #6b21a8; }
.ofi-alert--success .ofi-alert__title,
.ofi-alert--warning .ofi-alert__title,
.ofi-alert--danger .ofi-alert__title,
.ofi-alert--info .ofi-alert__title,
.ofi-alert--premium .ofi-alert__title { color: currentColor; }

.ofi-callout { border-left: 5px solid var(--ofi-primary); }
.ofi-callout--tip { border-left-color: var(--ofi-info); background: #f0f9ff; }
.ofi-callout--remember { border-left-color: var(--ofi-primary); background: #f0fdfa; }
.ofi-callout--mistake { border-left-color: var(--ofi-danger); background: #fef2f2; }
.ofi-callout--action { border-left-color: var(--ofi-secondary); background: #eff6ff; }

/* ==============================
   Empty states
================================= */
.ofi-empty {
  text-align: center;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px dashed var(--ofi-border);
  border-radius: var(--ofi-radius-xl);
  background: rgba(255,255,255,.72);
}
.ofi-empty__icon {
  width: 64px;
  height: 64px;
  border-radius: 22px;
  margin: 0 auto var(--ofi-space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ofi-primary-soft);
  color: var(--ofi-primary-dark);
  font-size: 1.7rem;
  font-weight: 700;
}
.ofi-empty__title { margin: 0; font-size: var(--ofi-text-2xl); font-weight: 700; }
.ofi-empty__text { margin: var(--ofi-space-2) auto 0; color: var(--ofi-muted); max-width: 520px; }
.ofi-empty__actions { margin-top: var(--ofi-space-5); display: flex; justify-content: center; gap: var(--ofi-space-3); flex-wrap: wrap; }

/* ==============================
   Loading states
================================= */
.ofi-spinner {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(15,23,42,.12);
  border-top-color: var(--ofi-primary);
  border-radius: 999px;
  animation: ofi-spin .8s linear infinite;
}
.ofi-spinner--sm { width: 16px; height: 16px; border-width: 2px; }
.ofi-spinner--lg { width: 38px; height: 38px; border-width: 4px; }
@keyframes ofi-spin { to { transform: rotate(360deg); } }

.ofi-skeleton {
  position: relative;
  overflow: hidden;
  border-radius: var(--ofi-radius-md);
  background: #e5e7eb;
}
.ofi-skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.65), transparent);
  animation: ofi-skeleton-shimmer 1.35s infinite;
}
@keyframes ofi-skeleton-shimmer { 100% { transform: translateX(100%); } }
.ofi-skeleton-line { height: 12px; width: 100%; }
.ofi-skeleton-line--short { width: 45%; }
.ofi-skeleton-line--medium { width: 70%; }
.ofi-skeleton-avatar { width: 46px; height: 46px; border-radius: 999px; }
.ofi-skeleton-card { height: 150px; border-radius: var(--ofi-radius-xl); }
.ofi-skeleton-stack { display: grid; gap: var(--ofi-space-3); }

/* ==============================
   Progress bars and steppers
================================= */
.ofi-progress-wrap { display: grid; gap: var(--ofi-space-2); }
.ofi-progress-label {
  display: flex;
  justify-content: space-between;
  gap: var(--ofi-space-3);
  font-size: var(--ofi-text-sm);
  font-weight: 700;
  color: var(--ofi-text-soft);
}
.ofi-progress {
  height: 12px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}
.ofi-progress--sm { height: 8px; }
.ofi-progress--lg { height: 16px; }
.ofi-progress__bar {
  height: 100%;
  width: var(--ofi-progress-value, 40%);
  border-radius: inherit;
  background: var(--ofi-primary);
}
.ofi-progress__bar--blue { background: var(--ofi-secondary); }
.ofi-progress__bar--success { background: var(--ofi-success); }
.ofi-progress__bar--warning { background: var(--ofi-warning); }
.ofi-progress__bar--danger { background: var(--ofi-danger); }

.ofi-stepper { display: flex; align-items: center; gap: var(--ofi-space-2); flex-wrap: wrap; }
.ofi-step {
  display: inline-flex;
  align-items: center;
  gap: var(--ofi-space-2);
  border: 1px solid var(--ofi-border-soft);
  background: var(--ofi-surface);
  border-radius: var(--ofi-radius-full);
  padding: 8px 12px 8px 8px;
  color: var(--ofi-muted);
  font-size: var(--ofi-text-sm);
  font-weight: 700;
}
.ofi-step__number {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ofi-surface-soft);
  color: var(--ofi-muted);
  font-size: var(--ofi-text-xs);
  font-weight: 700;
}
.ofi-step--active { border-color: rgba(20,184,166,.35); background: var(--ofi-primary-soft); color: var(--ofi-primary-dark); }
.ofi-step--active .ofi-step__number { background: var(--ofi-primary); color: #fff; }
.ofi-step--completed { border-color: #bbf7d0; background: #ecfdf5; color: #047857; }
.ofi-step--completed .ofi-step__number { background: var(--ofi-success); color: #fff; }

/* ==============================
   Toolbars and filter chips
================================= */
.ofi-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ofi-space-4);
  padding: var(--ofi-space-4);
  border: 1px solid var(--ofi-border-soft);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border-radius: var(--ofi-radius-xl);
  box-shadow: var(--ofi-shadow-xs);
}
.ofi-toolbar__left,
.ofi-toolbar__right { display: flex; align-items: center; gap: var(--ofi-space-3); flex-wrap: wrap; }
.ofi-filter-row { display: flex; align-items: center; gap: var(--ofi-space-2); flex-wrap: wrap; }
.ofi-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--ofi-radius-full);
  border: 1px solid var(--ofi-border-soft);
  background: var(--ofi-surface);
  padding: 7px 10px;
  font-size: var(--ofi-text-xs);
  font-weight: 700;
  color: var(--ofi-text-soft);
}
.ofi-filter-chip--active { background: var(--ofi-primary-soft); border-color: rgba(20,184,166,.32); color: var(--ofi-primary-dark); }
.ofi-search-inline {
  min-height: 40px;
  min-width: min(100%, 260px);
  border: 1px solid var(--ofi-border);
  background: var(--ofi-surface);
  border-radius: var(--ofi-radius-md);
  padding: 0 13px;
  color: var(--ofi-text);
  outline: none;
}
.ofi-search-inline:focus { border-color: rgba(20,184,166,.55); box-shadow: var(--ofi-ring); }

/* ==============================
   Checklists and timeline
================================= */
.ofi-checklist { display: grid; gap: var(--ofi-space-3); margin: 0; padding: 0; list-style: none; }
.ofi-check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--ofi-space-3);
  padding: var(--ofi-space-3);
  border-radius: var(--ofi-radius-lg);
  background: var(--ofi-surface-soft);
  border: 1px solid var(--ofi-border-soft);
}
.ofi-check-item__mark {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ofi-primary);
  color: #fff;
  font-size: var(--ofi-text-xs);
  font-weight: 700;
  flex: 0 0 auto;
}
.ofi-check-item__text { margin: 0; color: var(--ofi-text-soft); font-weight: 650; }

.ofi-timeline { position: relative; display: grid; gap: var(--ofi-space-4); }
.ofi-timeline-item { display: grid; grid-template-columns: 34px 1fr; gap: var(--ofi-space-3); }
.ofi-timeline-dot {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--ofi-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: var(--ofi-text-xs);
  font-weight: 700;
  box-shadow: var(--ofi-shadow-primary);
}
.ofi-timeline-content {
  padding-bottom: var(--ofi-space-4);
  border-bottom: 1px solid var(--ofi-border-soft);
}
.ofi-timeline-title { margin: 0; font-weight: 700; }
.ofi-timeline-text { margin: 4px 0 0; color: var(--ofi-muted); font-size: var(--ofi-text-sm); }

/* ==============================
   Mini profile and status blocks
================================= */
.ofi-avatar {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ofi-dark);
  color: var(--ofi-white);
  font-weight: 700;
}
.ofi-avatar--sm { width: 32px; height: 32px; font-size: var(--ofi-text-xs); }
.ofi-avatar--lg { width: 58px; height: 58px; font-size: var(--ofi-text-xl); }
.ofi-avatar--teal { background: var(--ofi-primary); }
.ofi-avatar--blue { background: var(--ofi-secondary); }
.ofi-user-card {
  display: flex;
  align-items: center;
  gap: var(--ofi-space-3);
  padding: var(--ofi-space-3);
  border: 1px solid var(--ofi-border-soft);
  border-radius: var(--ofi-radius-lg);
  background: var(--ofi-surface);
}
.ofi-user-card__name { margin: 0; font-weight: 700; line-height: 1.2; }
.ofi-user-card__meta { margin: 2px 0 0; color: var(--ofi-muted); font-size: var(--ofi-text-xs); }

/* ==============================
   Dividers
================================= */
.ofi-divider { height: 1px; background: var(--ofi-border-soft); border: 0; margin: var(--ofi-space-5) 0; }
.ofi-divider-text {
  display: flex;
  align-items: center;
  gap: var(--ofi-space-3);
  color: var(--ofi-muted);
  font-size: var(--ofi-text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ofi-divider-text::before,
.ofi-divider-text::after { content: ""; height: 1px; background: var(--ofi-border-soft); flex: 1; }

/* ==============================
   Responsive
================================= */
@media (max-width: 760px) {
  .ofi-toolbar { align-items: stretch; flex-direction: column; }
  .ofi-toolbar__left,
  .ofi-toolbar__right { width: 100%; }
  .ofi-search-inline { width: 100%; }
  .ofi-action-card { flex-direction: column; }
  .ofi-action-card__arrow { margin-left: 0; }
}