:root {
  color-scheme: light dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #fbfaf5;
  --bg-wash: rgba(115, 204, 255, 0.18);
  --text: #151716;
  --muted: #5b625f;
  --soft: #737b76;
  --accent: #4aa7ff;
  --accent-strong: #2447d8;
  --hot: #d45a78;
  --gold: #c79b3d;
  --panel: rgba(255, 255, 255, 0.58);
  --panel-strong: rgba(255, 255, 255, 0.74);
  --panel-border: rgba(255, 255, 255, 0.84);
  --glow: rgba(74, 167, 255, 0.24);
  --shadow: rgba(30, 35, 33, 0.08);
  background: var(--bg);
  color: var(--text);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #090b0b;
    --bg-wash: rgba(88, 185, 255, 0.16);
    --text: #f4f2ea;
    --muted: #c5c0b5;
    --soft: #a09b92;
    --accent: #8ed2ff;
    --accent-strong: #7aa8ff;
    --hot: #ff7f9f;
    --gold: #e4bd61;
    --panel: rgba(20, 24, 24, 0.58);
    --panel-strong: rgba(25, 29, 29, 0.78);
    --panel-border: rgba(255, 255, 255, 0.14);
    --glow: rgba(142, 210, 255, 0.3);
    --shadow: rgba(0, 0, 0, 0.34);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  background: var(--bg);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 18% calc(-24px - env(safe-area-inset-top)), var(--bg-wash), transparent 28rem),
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 30rem),
    var(--bg);
}

button,
input {
  font: inherit;
}

.welcome-shell {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  place-items: center;
}

.welcome-card {
  width: min(100%, 520px);
  display: grid;
  gap: 26px;
  padding: clamp(26px, 7vw, 48px);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow:
    0 0 0 1px var(--glow),
    0 28px 80px var(--shadow);
  backdrop-filter: blur(22px) saturate(1.25);
}

.welcome-card .kicker {
  text-align: center;
}

.brand-logo {
  position: relative;
  color: #050505;
  font-family:
    Impact, Haettenschweiler, "Arial Black", "Avenir Next Condensed", sans-serif;
  font-weight: 900;
  line-height: 0.78;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
  transform: skewX(-8deg);
  text-shadow:
    0 0 1px color-mix(in srgb, var(--panel-border) 70%, transparent),
    0 0 8px rgba(255, 72, 134, 0.45),
    0 0 18px rgba(245, 181, 58, 0.34),
    0 0 32px rgba(91, 185, 255, 0.38),
    0 0 58px rgba(255, 72, 134, 0.22);
  -webkit-text-stroke: clamp(1px, 0.09vw, 2px) rgba(255, 255, 255, 0.46);
  filter: drop-shadow(0 0 14px rgba(91, 185, 255, 0.3));
}

@media (prefers-color-scheme: dark) {
  .brand-logo {
    color: #020202;
    -webkit-text-stroke-color: rgba(255, 255, 255, 0.62);
    text-shadow:
      0 0 1px rgba(255, 255, 255, 0.44),
      0 0 10px rgba(255, 72, 134, 0.62),
      0 0 22px rgba(245, 181, 58, 0.44),
      0 0 38px rgba(125, 180, 255, 0.54),
      0 0 72px rgba(255, 72, 134, 0.34);
  }
}

.welcome-card .brand-logo {
  max-width: none;
  text-align: center;
  font-size: clamp(2.55rem, 12vw, 6.4rem);
}

.welcome-form {
  display: grid;
  gap: 10px;
}

.welcome-form label {
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.welcome-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 10px;
}

.welcome-entry input {
  min-width: 0;
}

.welcome-entry input,
.welcome-entry button {
  min-height: 50px;
  border-radius: 8px;
}

.welcome-entry input {
  border: 1px solid var(--panel-border);
  padding: 0 14px;
  background: color-mix(in srgb, var(--panel-strong) 72%, transparent);
  color: var(--text);
  outline: none;
}

.welcome-entry input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.welcome-entry button {
  border: 1px solid color-mix(in srgb, var(--accent) 70%, white);
  padding: 0 18px;
  background: linear-gradient(135deg, #7fd3ff 0%, var(--accent) 46%, var(--accent-strong) 100%);
  color: #ffffff;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 24%, transparent);
}

.welcome-error {
  min-height: 1.2rem;
  color: var(--hot);
  font-size: 0.9rem;
}

.shell {
  position: relative;
  width: min(100%, 960px);
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 16px 32px;
}

.debug-trigger {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 6;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  background: var(--panel);
  box-shadow:
    0 0 0 1px var(--glow),
    0 10px 28px var(--shadow);
  cursor: pointer;
  backdrop-filter: blur(16px) saturate(1.2);
}

.app-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  justify-items: center;
  padding: 18px 0 18px;
}

.title-block {
  min-width: 0;
  width: 100%;
  text-align: center;
}

.kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: none;
  margin: 0 auto;
  font-size: clamp(2.5rem, 9.4vw, 6.2rem);
}

.day-tabs {
  position: sticky;
  top: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  padding: 10px 0;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
}

.day-tab {
  display: grid;
  min-width: 0;
  min-height: 58px;
  gap: 0;
  place-items: center;
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--glow) 55%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
}

.day-tab strong {
  font-size: 0.98rem;
  line-height: 1.05;
}

.day-tab span {
  color: var(--soft);
  font-size: 0.74rem;
  line-height: 1.05;
}

.day-tab.active {
  border-color: color-mix(in srgb, var(--accent) 70%, white);
  background: linear-gradient(135deg, #7fd3ff 0%, var(--accent) 46%, var(--accent-strong) 100%);
  color: #ffffff;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent),
    0 12px 28px color-mix(in srgb, var(--accent) 24%, transparent);
}

.day-tab.active strong,
.day-tab.active span {
  text-shadow: 0 1px 10px rgba(0, 40, 120, 0.22);
}

.day-tab.active span {
  color: rgba(255, 255, 255, 0.78);
}

.day-panel {
  padding-top: 14px;
}

.day-summary {
  display: flex;
  gap: 16px;
  align-items: end;
  justify-content: space-between;
  padding: 20px 0 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 18%, transparent);
}

.day-summary p {
  margin-bottom: 5px;
  color: var(--hot);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.day-summary h2 {
  color: var(--text);
  font-size: clamp(1.8rem, 6vw, 3.15rem);
  line-height: 1;
}

.day-summary span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.9rem;
}

.events {
  display: grid;
  gap: 14px;
  padding: 18px 0 8px;
}

.event-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--panel-border) 86%, transparent);
  border-radius: 24px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--panel-strong) 86%, transparent), color-mix(in srgb, var(--panel) 70%, transparent)),
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 42%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    0 0 0 1px color-mix(in srgb, var(--glow) 72%, transparent),
    0 18px 48px color-mix(in srgb, var(--shadow) 86%, transparent);
  backdrop-filter: blur(24px) saturate(1.35);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.event-card::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.28), transparent 32%),
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--hot) 10%, transparent), transparent 38%);
  opacity: 0.8;
}

.event-card:hover {
  border-color: color-mix(in srgb, var(--accent) 36%, var(--panel-border));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent),
    0 22px 58px color-mix(in srgb, var(--shadow) 92%, transparent);
  transform: translateY(-1px);
}

.event-main,
.event-time {
  position: relative;
  z-index: 1;
}

.event-time {
  width: fit-content;
  height: fit-content;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-radius: 999px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 900;
  line-height: 1.15;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.event-heading {
  display: flex;
  gap: 16px;
  align-items: start;
  justify-content: space-between;
}

.event-heading h3 {
  color: var(--text);
  font-size: clamp(1.12rem, 2.5vw, 1.34rem);
  font-weight: 850;
  line-height: 1.12;
}

.event-heading p {
  margin-top: 6px;
  color: var(--soft);
  font-size: 0.9rem;
  font-weight: 650;
}

.event-details {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.attending-name {
  width: fit-content;
  margin-top: 14px;
  border: 1px solid color-mix(in srgb, var(--hot) 32%, transparent);
  border-radius: 999px;
  padding: 8px 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--hot) 13%, transparent), color-mix(in srgb, var(--gold) 10%, transparent));
  color: var(--hot);
  font-size: 0.88rem;
  font-weight: 900;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 0 18px color-mix(in srgb, var(--hot) 16%, transparent);
}

.settings-card {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--panel-border) 86%, transparent);
  border-radius: 24px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--panel-strong) 86%, transparent), color-mix(in srgb, var(--panel) 70%, transparent)),
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 42%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    0 0 0 1px color-mix(in srgb, var(--glow) 72%, transparent),
    0 18px 48px color-mix(in srgb, var(--shadow) 86%, transparent);
  backdrop-filter: blur(24px) saturate(1.35);
}

.people-note {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.settings-card label {
  display: grid;
  gap: 8px;
}

.settings-card label span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.settings-card input {
  width: 100%;
  min-height: 48px;
  border: 1px solid color-mix(in srgb, var(--panel-border) 86%, transparent);
  border-radius: 16px;
  padding: 0 14px;
  background: color-mix(in srgb, var(--panel-strong) 72%, transparent);
  color: var(--text);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.settings-card input:focus {
  border-color: color-mix(in srgb, var(--accent) 70%, white);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.rsvp-all-button {
  min-height: 50px;
  border: 1px solid color-mix(in srgb, var(--accent) 70%, white);
  border-radius: 18px;
  padding: 0 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  font-weight: 950;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 14px 30px color-mix(in srgb, var(--accent) 22%, transparent);
}

.rsvp-all-button:active {
  transform: scale(0.98);
}

.debug-panel {
  display: grid;
  gap: 14px;
  margin: 0 auto 12px;
  width: min(100%, 520px);
  padding: 16px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow:
    0 0 0 1px var(--glow),
    0 16px 44px var(--shadow);
  backdrop-filter: blur(18px) saturate(1.25);
}

.debug-panel p {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.5;
}

.debug-panel button {
  min-height: 46px;
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--hot) 62%, white);
  border-radius: 8px;
  padding: 0 16px;
  background: linear-gradient(135deg, var(--hot), color-mix(in srgb, var(--gold) 55%, var(--hot)));
  color: #ffffff;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--hot) 22%, transparent);
}

.attend-toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 42px;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: 999px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 82%, transparent), color-mix(in srgb, var(--accent) 10%, transparent));
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 8px 22px color-mix(in srgb, var(--accent) 10%, transparent);
  transition:
    box-shadow 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.attend-toggle input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.attend-toggle:has(input:checked) {
  background: linear-gradient(135deg, var(--hot), color-mix(in srgb, var(--accent) 60%, var(--hot)));
  border-color: color-mix(in srgb, var(--hot) 72%, white);
  color: #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 0 22px color-mix(in srgb, var(--hot) 28%, transparent),
    0 12px 28px color-mix(in srgb, var(--hot) 18%, transparent);
}

.attend-toggle:active {
  transform: scale(0.97);
}

.event-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 14px;
  border: 1px solid color-mix(in srgb, var(--hot) 20%, transparent);
  border-radius: 999px;
  padding: 7px 11px;
  background: color-mix(in srgb, var(--hot) 8%, transparent);
  color: var(--hot);
  font-size: 0.88rem;
  font-weight: 900;
  text-decoration: none;
}

.event-link:focus,
.event-link:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  .shell {
    padding: 12px 12px calc(96px + env(safe-area-inset-bottom));
  }

  .debug-trigger {
    top: 10px;
    right: 12px;
  }

  .app-header {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .welcome-entry {
    grid-template-columns: 1fr;
  }

  .day-tabs {
    position: fixed;
    inset: auto 0 0;
    top: auto;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid color-mix(in srgb, var(--muted) 20%, transparent);
  }

  .day-tab {
    min-height: 54px;
    border-radius: 18px;
  }

  .day-panel {
    padding-top: 0;
  }

  .event-card {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
    border-radius: 22px;
  }

  .event-heading {
    align-items: center;
  }

  .attend-toggle {
    min-width: 80px;
  }
}

@media (max-width: 420px) {
  .day-summary {
    align-items: start;
    flex-direction: column;
  }

  .event-heading {
    align-items: start;
    flex-direction: column;
  }

  .attend-toggle,
  .rsvp-all-button {
    width: 100%;
  }
}