/* ==========================================================================
   components.css
   Reusable pieces shared by every page: header, buttons, badges, status pills,
   panels, site list, pricing cards, forms, tabs, footer.
   Load after base.css.
   ========================================================================== */

/* Header ----------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand__mark {
  width: 32px;
  height: 32px;
  color: var(--signal);
}

.nav {
  margin-inline: auto;
}

.nav__links {
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__links a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.97rem;
  text-decoration: none;
}

.nav__links a:hover {
  color: var(--signal);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 2px;
  background: var(--ink);
}

@media (max-width: 820px) {
  .site-header__actions {
    margin-left: auto;
  }

  .nav__toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px var(--gutter) 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .site-header[data-open="true"] .nav {
    display: block;
  }

  .nav__links {
    flex-direction: column;
    gap: 0;
  }

  .nav__links a {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
  }
}

/* Buttons ---------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 26px;
  font: 600 1rem/1 var(--font-body);
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn--primary {
  background: var(--signal);
  color: #fff;
}

.btn--primary:hover {
  background: var(--signal-dark);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn--outline:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.btn--light {
  background: #fff;
  color: var(--signal-dark);
}

.btn--light:hover {
  background: var(--signal-soft);
  color: var(--signal-dark);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.95rem;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* Badges and status pills ------------------------------------------------ */

.badge {
  display: inline-block;
  padding: 6px 10px;
  font: 600 0.8rem/1 var(--font-body);
  border-radius: var(--radius-pill);
  background: var(--signal-soft);
  color: var(--signal-dark);
}

.badge--solid {
  background: var(--signal);
  color: #fff;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  font: 600 0.85rem/1 var(--font-body);
  border-radius: var(--radius-pill);
}

.pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.pill--online {
  background: var(--online-soft);
  color: var(--online-text);
}

.pill--offline {
  background: var(--outage-soft);
  color: var(--outage-text);
}

/* Panel and site list (also used by the future dashboard) ---------------- */

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}

.panel__head-note {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--slate);
}

.site-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
}

.site-list__item + .site-list__item {
  border-top: 1px solid var(--line);
}

.site-list__name {
  display: block;
  font-weight: 600;
}

.site-list__meta {
  display: block;
  font-size: 0.9rem;
  color: var(--slate);
}

/* Billing toggle and pricing cards --------------------------------------- */

.billing-toggle {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
}

.billing-toggle__option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font: 600 0.97rem/1 var(--font-body);
  color: var(--slate);
  background: transparent;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.billing-toggle__option:hover {
  color: var(--ink);
}

.billing-toggle__option.is-active {
  background: var(--ink);
  color: #fff;
}

.billing-toggle__save {
  padding: 3px 8px;
  font-size: 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--online-soft);
  color: var(--online-text);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
}

.price-card--featured {
  border-color: var(--signal);
  box-shadow: var(--shadow-panel);
}

.price-card__flag {
  position: absolute;
  top: -14px;
  left: 28px;
}

.price-card__name {
  margin-bottom: 4px;
}

.price-card__for {
  min-height: 3.2em;
  margin-bottom: 20px;
  font-size: 0.97rem;
  color: var(--slate);
}

.price-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
}

.price-card__amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.03em;
}

.price-card__unit {
  color: var(--slate);
}

.price-card__billing {
  margin: 8px 0 24px;
  font-size: 0.9rem;
  color: var(--slate);
}

.feature-list {
  margin: 28px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.feature-list li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 30px;
  font-size: 0.98rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--signal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.6 2.6L13 6.8' fill='none' stroke='%232f5bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}

@media (max-width: 900px) {
  .price-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-inline: auto;
    gap: 32px;
  }

  .price-card__for {
    min-height: 0;
  }
}

/* Forms and tabs --------------------------------------------------------- */

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.field label {
  font-weight: 600;
  font-size: 0.95rem;
}

.field__hint {
  font-size: 0.85rem;
  color: var(--slate);
}

.input {
  width: 100%;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-sm);
}

.input:focus-visible {
  outline: 3px solid var(--signal-soft);
  outline-offset: 0;
  border-color: var(--signal);
}

.form-error {
  margin-bottom: 18px;
  padding: 12px 14px;
  font-size: 0.95rem;
  color: #8f1d1d;
  background: var(--outage-soft);
  border-radius: var(--radius-sm);
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  background: var(--mist);
  border-radius: var(--radius-pill);
}

.tabs__tab {
  padding: 10px;
  text-align: center;
  font-weight: 600;
  color: var(--slate);
  text-decoration: none;
  border-radius: var(--radius-pill);
}

.tabs__tab:hover {
  color: var(--ink);
}

.tabs__tab[aria-current="page"] {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(16, 32, 58, 0.14);
}

/* Footer ----------------------------------------------------------------- */

.site-footer {
  padding-block: 56px 40px;
  background: var(--mist);
  border-top: 1px solid var(--line);
  font-size: 0.97rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
}

.site-footer__blurb {
  margin-top: 14px;
  color: var(--slate);
}

.site-footer h2 {
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 0.97rem;
  letter-spacing: 0;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li {
  margin-bottom: 8px;
}

.site-footer a {
  color: var(--slate);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--signal);
}

.site-footer__legal {
  margin: 40px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--slate);
}

@media (max-width: 720px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__grid > :first-child {
    grid-column: 1 / -1;
  }
}