/**
 * MeetFlow shared UI components — requires mf-tokens.css first.
 */

/* —— Primitives (safe on any page) —— */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
input,
textarea,
select {
  font-family: inherit;
}

/* —— Typography utilities —— */
.mf-text-h1 {
  font-size: var(--text-h1);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  color: var(--text);
}
.mf-text-h2 {
  font-size: var(--text-h2);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-body);
  color: var(--text);
}
.mf-text-body {
  font-size: var(--text-body-sm);
  line-height: var(--leading-body);
  color: var(--text-2);
}
.mf-text-caption {
  font-size: var(--text-body-xs);
  line-height: var(--leading-body);
  color: var(--text-3);
}
.mf-text-label {
  font-size: var(--text-label);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* —— Card shell —— */
.mf-card,
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.mf-card {
  padding: var(--space-20);
}
.card {
  padding: var(--space-20);
}
.card + .card {
  margin-top: var(--space-16);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 12px 20px;
  font-size: var(--text-body-md);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    opacity 0.15s ease;
  white-space: nowrap;
}
.btn svg {
  width: 16px;
  height: 16px;
}
.btn-primary,
.btn-accent {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--accent);
  color: var(--on-accent);
  box-shadow:
    0 6px 18px -6px rgba(99, 102, 241, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary::after,
.btn-accent::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 80%
  );
  transform: skewX(-18deg);
  transition: left 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 0;
}
.btn-primary > *,
.btn-accent > * {
  position: relative;
  z-index: 1;
}
.btn-primary:hover,
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 28px -10px rgba(99, 102, 241, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  background: var(--accent-strong);
  color: var(--on-accent);
}
.btn-primary:hover::after,
.btn-accent:hover::after {
  left: 140%;
}
@media (prefers-reduced-motion: reduce) {
  .btn-primary::after,
  .btn-accent::after {
    display: none;
  }
}
.btn-secondary,
.btn-outline {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover,
.btn-outline:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--surface-2);
}
.btn-ghost {
  color: var(--text-2);
}
.btn-ghost:hover {
  color: var(--text);
}
.btn-danger-outline {
  border: 1px solid var(--red);
  color: var(--red);
  background: transparent;
}
.btn-danger-outline:hover {
  background: var(--red-soft);
}
.btn-lg {
  padding: 14px 26px;
  font-size: var(--text-body-lg);
}
.btn-sm {
  padding: 8px 14px;
  font-size: var(--text-body-sm);
}
.btn-block {
  width: 100%;
}

/* —— Form fields (dashboard / auth) —— */
.field {
  margin-bottom: var(--space-14);
}
.field label {
  display: block;
  font-size: var(--text-body-xs);
  color: var(--text-3);
  margin-bottom: var(--space-6);
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: var(--text-body-sm);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

/* —— Badges —— */
.mf-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--text-label);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
}
.mf-badge--accent {
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.mf-badge--success {
  background: var(--green-soft);
  color: var(--green);
}
.mf-badge--warning {
  background: var(--amber-soft);
  color: var(--amber);
}
.mf-badge--danger {
  background: var(--red-soft);
  color: var(--red);
}

/* Modals */
/* Blur — scrim в той же grid-ячейке, что и панель (панель поверх, не размывается) */
.modal-backdrop-scrim {
  grid-area: 1 / 1;
  align-self: stretch;
  justify-self: stretch;
  width: 100%;
  height: 100%;
  min-height: 100%;
  z-index: 0;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(0, 0, 0, 0.6);
}

.modal-backdrop > .modal,
.modal-backdrop > .avatar-modal-panel-wrap,
.modal-overlay > .modal {
  grid-area: 1 / 1;
  position: relative;
  z-index: 1;
  justify-self: center;
  align-self: center;
  max-height: min(90vh, 100%);
}

/* Оверлей панели уведомлений без панели — только затемнение/blur */
.notif-backdrop::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(0, 0, 0, 0.6);
}

/* Onboarding */
body.mf-onboarding-active {
  overflow: hidden;
  touch-action: none;
}

body.mf-onboarding-active::before {
  content: '';
  position: fixed;
  inset: 0;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(0, 0, 0, 0.55);
  z-index: 9997;
  pointer-events: none;
}

.mf-onboarding-root {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
}

.mf-onboarding-tooltip {
  z-index: 10000;
  position: fixed;
  font-family: var(--font-base), system-ui, sans-serif;
  background: var(--modal-bg);
  border: 1px solid var(--modal-border-accent);
  border-radius: 14px;
  padding: 20px 20px 16px;
  width: 300px;
  max-width: calc(100vw - var(--onboarding-safe-left) - var(--onboarding-safe-right) - 24px);
  max-height: min(420px, calc(100dvh - var(--onboarding-safe-top) - var(--onboarding-safe-bottom) - 48px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--modal-border-accent);
  pointer-events: auto;
}

.mf-onboarding-step {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.mf-onboarding-text {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-family: var(--font-base), system-ui, sans-serif;
}

.mf-onboarding-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.mf-onboarding-skip {
  background: none;
  border: none;
  font-size: 12px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 6px 8px;
  font-family: inherit;
  transition: color 0.15s;
}

.mf-onboarding-skip:hover {
  color: var(--text-secondary);
}

.mf-onboarding-next {
  background: #6366f1;
  border: none;
  border-radius: 8px;
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 16px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}

.mf-onboarding-next:hover {
  background: #5254cc;
}

/* —— Tabs (universal) —— */
.mf-tabs {
  display: flex;
  gap: var(--space-4, 4px);
  background: var(--surface-2);
  border-radius: 12px;
  padding: var(--space-4, 4px);
  width: fit-content;
  margin-bottom: var(--space-20, 20px);
}
.mf-tab {
  padding: var(--space-8, 8px) var(--space-20, 20px);
  border-radius: 8px;
  border: none;
  font-size: var(--text-body-sm, 13px);
  font-weight: var(--font-weight-medium, 500);
  cursor: pointer;
  background: transparent;
  color: var(--text-secondary, var(--text-2));
  transition: background 0.15s ease, color 0.15s ease;
  font-family: inherit;
  white-space: nowrap;
}
.mf-tab.active {
  background: var(--color-primary, var(--accent));
  color: var(--on-accent, #fff);
}
.mf-tab:not(.active):hover {
  color: var(--text-primary, var(--text));
}
.mf-tab-content.mf-hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .mf-tabs {
    width: 100%;
  }
  .mf-tab {
    flex: 1;
    text-align: center;
    padding: var(--space-8, 8px) var(--space-12, 12px);
    font-size: var(--text-body-xs, 12px);
  }
}

.mf-onboarding-spotlight {
  z-index: 9999;
  position: relative;
  border-radius: 10px;
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.25);
}

@media (max-width: 640px) {
  .mf-onboarding-tooltip {
    width: calc(100vw - var(--onboarding-safe-left) - var(--onboarding-safe-right) - 24px);
    max-height: min(50dvh, calc(100dvh - var(--onboarding-safe-top) - var(--onboarding-safe-bottom) - 120px));
  }

  .mf-onboarding-actions {
    flex-wrap: wrap;
    justify-content: stretch;
    gap: 10px;
  }

  .mf-onboarding-skip,
  .mf-onboarding-next {
    min-height: 44px;
  }

  .mf-onboarding-next {
    flex: 1 1 100%;
    order: 2;
  }

  .mf-onboarding-skip {
    flex: 1 1 100%;
    order: 1;
  }
}