:root {
  --page-bg-image: none;
  --parallax-bg-x: 0px;
  --parallax-bg-y: 0px;
  --bg: #f4f4f2;
  --card-bg: #fafaf8;
  --text: #1c1c1c;
  --muted: #5b5b57;
  --accent: #2f4f3e;
  --accent-hover: #2a4738;
  --border: #deded8;
  --focus: #2f4f3e;
  --shadow: 0 14px 30px rgba(28, 28, 28, 0.08);
  --available: #1a7f37;
  --unavailable: #8f8f88;
  --oncall: #c89b2c;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    var(--page-bg-image);
  background-size: cover;
  background-position:
    calc(50% + var(--parallax-bg-x))
    calc(50% + var(--parallax-bg-y));
  background-repeat: no-repeat;
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.card {
  width: 100%;
  max-width: 460px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem;
}

.card-header {
  text-align: center;
  margin-bottom: 1rem;
}

.portrait-wrap {
  width: 112px;
  height: 112px;
  margin: 0 auto 0.85rem;
}

.portrait {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center -2%;
  border: 2px solid #e3e3dc;
  filter: grayscale(100%) contrast(1.05);
}

.name {
  margin: 0 0 0.25rem;
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 400;
}

.availability {
  margin-top: 1.15rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.availability h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
}

.availability-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.availability-toggle {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.availability-toggle:hover,
.availability-toggle:focus-visible {
  opacity: 0.9;
}

.availability-toggle:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.availability-week {
  margin: 0.35rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.93rem;
}

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

.availability-list li + li {
  margin-top: 0.38rem;
}

.availability-list a,
.availability-list span {
  display: block;
  width: 100%;
  min-height: 52px;
  padding: 0.72rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  line-height: 1.3;
  background: #fff;
}

.available {
  color: var(--available);
  font-weight: 600;
}

.unavailable {
  color: var(--unavailable);
}

.oncall {
  color: var(--oncall);
}

.day-link {
  text-decoration: none;
}

.day-link:hover,
.day-link:focus-visible {
  opacity: 0.9;
  text-decoration: underline;
}

.actions {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.action-btn,
.close-btn {
  width: 100%;
  min-height: 56px;
  border-radius: 12px;
  border: 0;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.18s ease, transform 0.08s ease;
}

.action-btn {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(47, 79, 62, 0.2);
  padding: 0.65rem 1rem;
}

.primary-btn {
  background: var(--accent);
}

.install-btn {
  background: #3b5f4b;
}

.hidden {
  display: none !important;
}

.action-btn:hover,
.close-btn:hover,
.action-btn:focus-visible,
.close-btn:focus-visible {
  opacity: 0.9;
}

.action-btn:active,
.close-btn:active {
  transform: translateY(1px);
}

.action-btn:focus-visible,
.close-btn:focus-visible,
.day-link:focus-visible,
.availability-toggle:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(28, 28, 28, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.open {
  display: flex;
}

.modal-panel {
  width: 100%;
  max-width: 460px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.modal-panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.info-list {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
}

.info-list li {
  margin-bottom: 0.8rem;
}

.info-title {
  margin: 0 0 0.2rem;
  font-weight: 700;
}

.info-text {
  margin: 0;
  white-space: pre-line;
  color: var(--text);
}

.share-toast {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  background: rgba(28, 28, 28, 0.92);
  color: #fff;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  font-size: 0.9rem;
  z-index: 30;
}

.close-btn {
  background: var(--accent);
  color: #fff;
}

@media (min-width: 640px) {
  .card,
  .modal-panel {
    padding: 1.55rem;
  }

  .portrait-wrap {
    width: 122px;
    height: 122px;
  }
}