/* ============================================================
   Safe Kids Path — Hub App
   Brand: Yellow #facc15 + Navy #0c1938
   ============================================================ */

:root {
  --brand-yellow: #facc15;
  --brand-yellow-light: #fde047;
  --brand-navy: #0c1938;
  --brand-navy-light: #1e3a5f;
  --brand-navy-darker: #050d22;
  --brand-cream: #fbeec1;
  --brand-text-light: #e0f2fe;
  --brand-text-dim: #93c5fd;
  --brand-success: #22c55e;
  --brand-danger: #ef4444;
  --brand-radius: 14px;
  --brand-radius-lg: 24px;
  --brand-shadow: 0 6px 0 var(--brand-navy);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--brand-navy);
  color: var(--brand-text-light);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

body {
  background:
    radial-gradient(circle at 20% 10%, rgba(250, 204, 21, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 90%, rgba(250, 204, 21, 0.06) 0%, transparent 50%),
    var(--brand-navy);
  min-height: 100vh;
}

a { color: var(--brand-yellow); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ============================================================
   LOGIN SCREEN
   ============================================================ */

.login-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.login-logo {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--brand-yellow);
  border: 5px solid var(--brand-navy);
  box-shadow: 0 6px 0 var(--brand-navy), 0 12px 30px rgba(250, 204, 21, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  margin-bottom: 26px;
}

.login-title {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--brand-yellow);
  text-align: center;
  margin: 0 0 6px;
  text-shadow: 0 3px 0 var(--brand-navy);
}

.login-subtitle {
  font-size: 0.95rem;
  color: var(--brand-text-dim);
  text-align: center;
  margin: 0 0 32px;
  max-width: 320px;
  line-height: 1.4;
}

.login-card {
  background: var(--brand-navy-light);
  border: 3px solid var(--brand-yellow);
  border-radius: var(--brand-radius-lg);
  padding: 28px 24px;
  box-shadow: 0 8px 0 var(--brand-navy-darker), 0 16px 40px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 380px;
}

.login-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--brand-yellow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.login-input {
  width: 100%;
  background: var(--brand-navy-darker);
  border: 2.5px solid var(--brand-navy);
  border-radius: var(--brand-radius);
  color: #fff;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.login-input:focus {
  border-color: var(--brand-yellow);
}

.login-input::placeholder {
  color: rgba(147, 197, 253, 0.5);
}

.login-btn {
  width: 100%;
  background: var(--brand-yellow);
  color: var(--brand-navy);
  border: 3px solid var(--brand-navy);
  border-radius: var(--brand-radius);
  padding: 16px 24px;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 5px 0 var(--brand-navy);
  margin-top: 18px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.login-btn:hover {
  background: var(--brand-yellow-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 0 var(--brand-navy);
}

.login-btn:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 var(--brand-navy);
}

.login-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 5px 0 var(--brand-navy);
}

.login-error {
  background: rgba(239, 68, 68, 0.12);
  border: 2px solid var(--brand-danger);
  color: #fecaca;
  border-radius: var(--brand-radius);
  padding: 10px 14px;
  margin-top: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  display: none;
}

.login-error.is-visible { display: block; }

.login-footer {
  margin-top: 22px;
  font-size: 0.78rem;
  color: var(--brand-text-dim);
  text-align: center;
  line-height: 1.5;
}

.login-footer a {
  color: var(--brand-yellow);
  font-weight: 700;
  text-decoration: underline;
}

/* ============================================================
   HUB SCREEN
   ============================================================ */

.hub-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hub-header {
  padding: 18px 20px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 2px solid var(--brand-navy-light);
  position: sticky;
  top: 0;
  background: var(--brand-navy);
  z-index: 10;
}

.hub-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hub-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand-yellow);
  border: 3px solid var(--brand-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 3px 0 var(--brand-navy-darker);
}

.hub-brand-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--brand-yellow);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
}

.hub-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hub-user-email {
  font-size: 0.8rem;
  color: var(--brand-text-dim);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hub-logout {
  background: transparent;
  color: var(--brand-yellow);
  border: 2px solid var(--brand-yellow);
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.15s;
}

.hub-logout:hover {
  background: var(--brand-yellow);
  color: var(--brand-navy);
}

.hub-greeting {
  padding: 24px 20px 8px;
}

.hub-greeting-text {
  font-size: 0.85rem;
  color: var(--brand-text-dim);
  margin: 0 0 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
}

.hub-greeting-title {
  font-size: 1.7rem;
  font-weight: 900;
  color: #fff;
  margin: 0;
  letter-spacing: -0.01em;
}

.hub-greeting-title span {
  color: var(--brand-yellow);
}

.hub-grid {
  padding: 18px 20px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.album-tile {
  position: relative;
  background: var(--brand-navy-light);
  border: 3px solid var(--brand-navy-darker);
  border-radius: var(--brand-radius-lg);
  padding: 22px 20px;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 5px 0 var(--brand-navy-darker);
  text-align: left;
  color: inherit;
  font: inherit;
  background-clip: padding-box;
}

.album-tile:hover {
  transform: translateY(-3px);
  border-color: var(--brand-yellow);
  box-shadow: 0 8px 0 var(--brand-navy-darker), 0 14px 30px rgba(250, 204, 21, 0.15);
}

.album-tile:active { transform: translateY(2px); box-shadow: 0 3px 0 var(--brand-navy-darker); }

.album-tile.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.album-tile.is-disabled:hover {
  transform: none;
  border-color: var(--brand-navy-darker);
  box-shadow: 0 5px 0 var(--brand-navy-darker);
}

.album-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 16px;
  border: 3px solid var(--brand-navy-darker);
  box-shadow: 0 3px 0 var(--brand-navy-darker);
}

.album-category {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--brand-yellow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.album-title {
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.album-subtitle {
  font-size: 0.85rem;
  color: var(--brand-text-dim);
  line-height: 1.45;
  margin: 0;
}

.album-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--brand-navy-darker);
  color: var(--brand-text-dim);
  border: 2px solid var(--brand-navy-light);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.album-badge.is-coming-soon {
  background: var(--brand-yellow);
  color: var(--brand-navy);
  border-color: var(--brand-navy);
}

.album-badge.is-external {
  background: var(--brand-success);
  color: #052e16;
  border-color: #052e16;
}

/* ============================================================
   APP VIEWER (fullscreen iframe)
   ============================================================ */

.viewer-wrap {
  position: fixed;
  inset: 0;
  background: #000;
  display: none;
  flex-direction: column;
  z-index: 100;
}

.viewer-wrap.is-open {
  display: flex;
}

.viewer-bar {
  height: 48px;
  background: var(--brand-navy);
  border-bottom: 2px solid var(--brand-yellow);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  flex-shrink: 0;
}

.viewer-back {
  background: var(--brand-yellow);
  color: var(--brand-navy);
  border: 2px solid var(--brand-navy);
  border-radius: 8px;
  padding: 6px 14px;
  font-weight: 900;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 2px 0 var(--brand-navy-darker);
}

.viewer-back:active { transform: translateY(2px); box-shadow: 0 0 0 var(--brand-navy-darker); }

.viewer-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--brand-yellow);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.viewer-frame {
  flex: 1;
  width: 100%;
  border: 0;
  background: #000;
}

.viewer-loading {
  position: absolute;
  inset: 48px 0 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-yellow);
  font-weight: 700;
  font-size: 1rem;
  pointer-events: none;
  z-index: 5;
}

.viewer-loading.is-hidden { display: none; }

/* ============================================================
   MOBILE
   ============================================================ */

@media (max-width: 600px) {
  .login-title { font-size: 1.5rem; }
  .hub-greeting-title { font-size: 1.35rem; }
  .hub-grid { grid-template-columns: 1fr; }
  .hub-user-email { display: none; }
}