:root {
  --portal-bg: #eef5fa;
  --portal-paper: rgba(255, 255, 255, 0.9);
  --portal-line: rgba(4, 135, 217, 0.14);
  --portal-ink: #103a59;
  --portal-brand: #0487d9;
  --portal-brand-dark: #025b91;
  --portal-accent: #f2e205;
  --portal-accent-dark: #c0b300;
  --portal-shadow: 0 20px 50px rgba(4, 135, 217, 0.12);
  --pin-panel-bg: rgba(7, 37, 63, 0.34);
  --pin-panel-line: rgba(255, 255, 255, 0.18);
  --pin-key-bg: rgba(255, 255, 255, 0.18);
  --pin-key-bg-hover: rgba(255, 255, 255, 0.28);
  --pin-key-text: #f9fcff;
  --pin-feedback-error: #ffd7d9;
  --pin-feedback-ok: #e1ffd7;
}

html,
body {
  min-height: 100%;
}

body.portal-body {
  color: var(--portal-ink);
  background:
    radial-gradient(circle at top left, rgba(4, 135, 217, 0.18), transparent 24%),
    radial-gradient(circle at bottom right, rgba(242, 226, 5, 0.14), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, var(--portal-bg) 100%);
  overflow-x: hidden;
}

.app-panel,
.module-card {
  border: 1px solid var(--portal-line);
  background: var(--portal-paper);
  box-shadow: var(--portal-shadow);
  border-radius: 1.5rem;
}

.mini-panel {
  height: 100%;
  padding: 1.25rem;
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(4, 135, 217, 0.08);
}

.section-logo {
  width: 3.5rem;
  height: 3.5rem;
  object-fit: contain;
  display: block;
}

.app-title,
.module-card h2 {
  font-family: "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 1.1;
}

.section-kicker {
  color: var(--portal-brand-dark);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 800;
}

.btn-outline-portal {
  color: var(--portal-brand-dark);
  border-color: rgba(4, 135, 217, 0.18);
  background: rgba(255, 255, 255, 0.5);
}

.btn-outline-portal:hover,
.btn-outline-portal:focus {
  color: var(--portal-brand-dark);
  background: rgba(242, 226, 5, 0.16);
  border-color: rgba(242, 226, 5, 0.34);
}

.portal-main {
  position: relative;
  z-index: 1;
  transition: filter 300ms ease, transform 300ms ease, opacity 300ms ease;
}

.portal-locked .portal-main {
  filter: blur(20px) saturate(0.85);
  transform: scale(1.02);
  opacity: 0.82;
  pointer-events: none;
  user-select: none;
}

.pin-gate {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(7, 26, 42, 0.22);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  transition: opacity 250ms ease, visibility 250ms ease;
}

.pin-gate.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.pin-panel {
  width: min(100%, 26rem);
  padding: 1.8rem 1.45rem 1.5rem;
  border-radius: 2rem;
  border: 1px solid var(--pin-panel-line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08)),
    var(--pin-panel-bg);
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  color: var(--pin-key-text);
  text-align: center;
}

.pin-panel.is-shaking {
  animation: pin-shake 360ms ease;
}

.pin-logo {
  width: 4.5rem;
  height: 4.5rem;
  margin: 0 auto 1rem;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.pin-kicker {
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.78);
}

.pin-title {
  margin-bottom: 0.5rem;
  font-size: clamp(1.95rem, 5vw, 2.5rem);
  line-height: 1;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-weight: 600;
}

.pin-description {
  max-width: 19rem;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.82);
}

.pin-dots {
  display: flex;
  justify-content: center;
  gap: 0.95rem;
  margin: 1.65rem 0 0.8rem;
}

.pin-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.72);
  background: transparent;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.pin-dot.is-filled {
  background: #ffffff;
  border-color: #ffffff;
  transform: scale(1.08);
}

.pin-feedback {
  min-height: 1.5rem;
  margin: 0 0 1rem;
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.9);
}

.pin-feedback.is-error {
  color: var(--pin-feedback-error);
}

.pin-feedback.is-success {
  color: var(--pin-feedback-ok);
}

.pin-pad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem 1rem;
  justify-items: center;
}

.pin-key {
  width: 4.65rem;
  height: 4.65rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: var(--pin-key-bg);
  color: var(--pin-key-text);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 12px 24px rgba(0, 0, 0, 0.16);
  transition: transform 120ms ease, background-color 120ms ease, box-shadow 120ms ease;
}

.pin-key:hover,
.pin-key:focus-visible {
  background: var(--pin-key-bg-hover);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 14px 28px rgba(0, 0, 0, 0.22);
}

.pin-key:active {
  transform: scale(0.97);
}

.pin-key--aux {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.portal-unlocked .pin-gate {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes pin-shake {
  0%,
  100% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(-10px);
  }

  40% {
    transform: translateX(9px);
  }

  60% {
    transform: translateX(-7px);
  }

  80% {
    transform: translateX(5px);
  }
}

@media (max-width: 575.98px) {
  .pin-gate {
    padding: 1rem;
  }

  .pin-panel {
    padding: 1.5rem 1rem 1.2rem;
    border-radius: 1.75rem;
  }

  .pin-key {
    width: min(23vw, 4.25rem);
    height: min(23vw, 4.25rem);
    font-size: 1.4rem;
  }

  .pin-key--aux {
    font-size: 0.88rem;
  }
}