/* Safe Mesh — Core Layout & Component System (Offline / SPIFFS Optimized) */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.is-hidden {
  display: none !important;
}

body {
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  overflow-x: clip;
}

#app {
  width: min(100%, 88rem);
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: 0.85rem clamp(0.75rem, 2.5vw, 1.5rem);
}

.simulation-warning {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.75rem;
  padding: 0.35rem 0.85rem;
  background: #7f1d1d;
  border-bottom: 1px solid #ef4444;
  color: #fff;
  text-align: center;
  font-size: 0.76rem;
  line-height: 1.25;
}

.simulation-warning strong {
  font-weight: 800;
  letter-spacing: 0.03em;
}

.simulation-warning span {
  opacity: 0.92;
  font-weight: 600;
}

.app-shell,
.page-shell {
  display: grid;
  align-content: start;
  gap: 1rem;
  width: 100%;
  min-width: 0;
}

.page-shell__content {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.page-shell__footer {
  margin-top: auto;
}

.panel {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card, 14px);
  box-shadow: var(--shadow-soft);
  min-width: 0;
}

.panel-stack {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.panel-stack--compact {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
}

.action-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.action-bar__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

/* Typography & headings */
h1, h2, h3, h4, p {
  margin: 0;
}

h1, h2, h3, h4 {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
}

.eyebrow {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.lead {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Preference controls */
.preference-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.preference-controls--stacked {
  display: grid;
}

.preference-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  min-height: 2.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-control, 10px);
  border: 1px solid var(--border-default);
  background: var(--surface-card-muted);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.preference-button__label {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Buttons */
.primary-button,
.secondary-button,
.ghost-button,
.back-button,
.switch-button,
.danger-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.6rem;
  padding: 0.5rem 0.95rem;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.2;
  border-radius: var(--radius-control, 10px);
  border: 1px solid var(--border-default);
  background: var(--surface-elevated);
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.primary-button {
  background: var(--brand-primary-action-bg);
  color: var(--brand-primary-action-text);
  border-color: transparent;
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-strong);
  color: var(--brand-primary-action-text);
}

.secondary-button:hover:not(:disabled),
.back-button:hover:not(:disabled),
.ghost-button:hover:not(:disabled),
.preference-button:hover:not(:disabled) {
  background: var(--interactive-hover-surface);
  border-color: var(--interactive-hover-border);
}

.ghost-button {
  background: transparent;
}

.danger-button {
  background: var(--danger);
  color: #fff;
  border-color: transparent;
}

.danger-button:hover:not(:disabled) {
  filter: brightness(1.08);
}

.switch-button {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}

.switch-button.is-active {
  background: var(--surface-card);
  border-color: var(--border-default);
  color: var(--text-primary);
  box-shadow: var(--shadow-soft);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Shell Header & Footer (used by Auth view) */
.shell-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  background: var(--surface-card);
}

.shell-header__main {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  min-width: 0;
}

.shell-header__aside {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.shell-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.shell-brand__logo {
  width: clamp(8rem, 13vw, 10.5rem);
  height: auto;
  object-fit: contain;
}

.shell-brand__copy {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.shell-brand__copy strong {
  font-size: 1rem;
  color: var(--text-primary);
}

.shell-header__mobile-toggle,
.shell-mobile-menu {
  display: none;
}

.shell-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.shell-nav__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.1rem;
  padding: 0 0.75rem;
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--surface-card-muted);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shell-nav__item.is-active {
  border-color: var(--brand-orange-500);
  background: var(--interactive-active-surface);
  color: var(--text-primary);
}

.shell-status {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.shell-status__item {
  display: grid;
  gap: 0.15rem;
  min-width: 7rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  background: var(--surface-card-muted);
}

.shell-status__item > span:first-child {
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.shell-status__item strong {
  color: var(--text-primary);
  font-size: 0.84rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shell-footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  background: var(--surface-card);
}

.shell-footer__item {
  display: grid;
  gap: 0.2rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--border-default);
  border-radius: 10px;
  background: var(--surface-card-muted);
}

.shell-footer__item span {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.shell-footer__item strong {
  color: var(--text-primary);
  font-size: 0.86rem;
}

/* Landing page base */
.landing-page {
  display: grid;
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.landing-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.landing-topbar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.landing-topbar__logo {
  width: clamp(8rem, 13vw, 10.5rem);
  height: auto;
  object-fit: contain;
}

.landing-topbar__actions,
.landing-hero__actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.landing-shell {
  display: grid;
  gap: 1.5rem;
}

.landing-hero {
  display: grid;
  gap: 1.5rem;
}

.landing-hero__copy {
  display: grid;
  gap: 1rem;
}

.landing-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  flex-wrap: wrap;
}

.landing-footer__brand {
  display: grid;
  gap: 0.5rem;
  max-width: 44rem;
}

.landing-footer__links {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* Auth / Login view */
.auth-panel {
  display: grid;
  gap: 1.25rem;
  margin: 0 auto;
  width: 100%;
}

.auth-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
  gap: 1.15rem;
  padding: 1.15rem 1.35rem;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card, 14px);
  background: var(--surface-card-muted);
}

.auth-hero__main,
.auth-hero__copy {
  display: grid;
  gap: 0.3rem;
}

.auth-hero__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.auth-hero__mark {
  width: 3.75rem;
  height: 3.75rem;
  flex: 0 0 auto;
  border-radius: 12px;
  display: grid;
  place-items: center;
  padding: 0.4rem;
  background: #fff;
  border: 1px solid #d9e3f0;
  box-shadow: var(--shadow-soft);
}

.auth-hero__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.auth-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.auth-hero__card {
  display: grid;
  gap: 0.25rem;
  align-content: start;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-default);
  border-radius: 12px;
  background: var(--surface-card);
  min-width: 0;
}

.auth-hero__card strong {
  color: var(--text-primary);
  font-size: 0.92rem;
}

.auth-hero__card > span:not(.status-indicator) {
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.25rem;
  align-items: start;
}

.auth-side-panel {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-width: 0;
}

.status-card {
  display: grid;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-default);
  border-radius: 12px;
  background: var(--surface-card-muted);
}

.status-card--split {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.status-card > div {
  display: grid;
  gap: 0.25rem;
  align-content: start;
  min-width: 0;
}

.status-card strong {
  font-size: 0.88rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quick-emergency {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid var(--emergency-border);
  border-radius: 12px;
  background: var(--emergency-bg);
}

.quick-emergency__header {
  display: grid;
  gap: 0.25rem;
}

.quick-emergency__header h2 {
  font-size: 1.08rem;
}

.quick-emergency__header p {
  font-size: 0.86rem;
}

.emergency-grid,
.sos-channels-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

/* Emergency action cards in Login view */
.emergency-button {
  display: grid;
  gap: 0.25rem;
  align-content: start;
  min-height: 4.5rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--danger-border);
  border-radius: 11px;
  background: var(--surface-card);
  color: var(--text-primary);
  text-align: left;
  white-space: normal;
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.emergency-action__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 9px;
  background: var(--danger-soft);
  border: 1px solid var(--danger-border);
  font-size: 1.15rem;
  line-height: 1;
  margin-bottom: 0.15rem;
}

.emergency-button strong {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--danger);
  line-height: 1.25;
}

.emergency-button span:not(.emergency-action__icon) {
  font-size: 0.77rem;
  color: var(--text-secondary);
  line-height: 1.38;
}

.emergency-button:hover:not(:disabled) {
  border-color: var(--danger);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.auth-form-panel {
  display: grid;
  gap: 1rem;
  padding: 1.35rem;
  border: 1px solid var(--border-default);
  border-radius: 14px;
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  min-width: 0;
}

.auth-form-panel__header {
  display: grid;
  gap: 0.3rem;
}

.auth-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem;
  padding: 0.25rem;
  border-radius: 10px;
  background: var(--surface-card-muted);
  border: 1px solid var(--border-subtle);
}

.auth-form {
  display: grid;
  gap: 0.9rem;
}

/* Inputs & forms */
.field-group {
  display: grid;
  gap: 0.35rem;
}

.field-label,
.field-group > span {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
}

.text-input,
input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.8rem;
  background: var(--surface-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-control, 10px);
  color: var(--text-primary);
  font-size: 0.92rem;
}

.text-input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

.text-input.is-invalid,
textarea.is-invalid {
  border-color: var(--danger);
}

.field-help {
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.45;
}

.form-actions {
  display: grid;
  gap: 0.65rem;
}

.auth-submit {
  width: 100%;
}

.feedback {
  display: none;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  font-size: 0.85rem;
}

.feedback--error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.feedback.is-visible {
  display: block;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.search-bar .text-input {
  flex: 1;
  min-width: 0;
}

/* Status pills & badges */
.status-indicator,
.contact-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  gap: 0.28rem;
  padding: 0.16rem 0.52rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid var(--border-default);
  background: var(--surface-muted);
  color: var(--text-secondary);
}

.status-indicator--ok,
.status-indicator--success,
.contact-badge--friend {
  background: var(--success-soft);
  border-color: rgba(47, 211, 135, 0.35);
  color: var(--success);
}

.status-indicator--warn,
.status-indicator--warning {
  background: var(--warning-soft);
  border-color: rgba(244, 184, 74, 0.38);
  color: var(--warning);
}

.status-indicator--danger {
  background: var(--danger-soft);
  border-color: var(--danger-border);
  color: var(--danger);
}

.status-indicator--info,
.contact-badge--public {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.unread-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.3rem;
  height: 1.3rem;
  padding: 0 0.38rem;
  border-radius: 999px;
  background: var(--brand-orange-500);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
}

.empty-copy {
  padding: 0.85rem;
  border-radius: var(--radius-control, 10px);
  background: var(--surface-muted);
  color: var(--text-muted);
  font-size: 0.84rem;
}

.empty-copy--centered {
  margin: auto;
  text-align: center;
  max-width: 24rem;
}

.notice-card {
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-control, 10px);
  background: var(--accent-soft);
  border-left: 3px solid var(--brand-orange-500);
  color: var(--text-primary);
  font-size: 0.82rem;
}

.emergency-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-control, 10px);
  border: 1px solid var(--border-default);
  background: var(--surface-elevated);
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.emergency-card:hover {
  border-color: var(--brand-orange-500);
  background: var(--interactive-hover-surface);
}

.emergency-card strong {
  font-size: 0.86rem;
  color: var(--text-primary);
}

.emergency-card span:not(.emergency-action__icon) {
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.brand-logo {
  display: block;
  height: auto;
  max-width: 100%;
  background: #fff;
  border: 1px solid #d9e3f0;
  border-radius: 8px;
  padding: 0.2rem 0.4rem;
}

.brand-logo--header {
  height: 2rem;
  width: auto;
  max-width: 9.25rem;
  object-fit: contain;
}

@media (max-width: 900px) {
  .auth-hero,
  .auth-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .shell-header {
    flex-direction: column;
    align-items: stretch;
  }

  .shell-header__aside,
  .shell-header__main > .shell-nav {
    display: none;
  }

  .shell-header__mobile-toggle,
  .shell-mobile-menu {
    display: block;
    margin-left: auto;
  }

  .shell-mobile-menu__summary {
    list-style: none;
  }

  .shell-mobile-menu__summary::-webkit-details-marker {
    display: none;
  }

  .shell-mobile-menu__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0 0.85rem;
    border: 1px solid var(--border-default);
    border-radius: 999px;
    background: var(--surface-card-muted);
    color: var(--text-primary);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
  }

  .shell-mobile-menu__panel {
    display: grid;
    gap: 0.75rem;
    padding-top: 0.75rem;
  }

  .shell-mobile-menu__group {
    display: grid;
    gap: 0.4rem;
  }

  .shell-mobile-menu__label {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
  }

  .emergency-grid,
  .status-card--split,
  .shell-footer {
    grid-template-columns: 1fr;
  }
}