:root {
  --primary-60: #facc8c;
  --primary-glass-30: #f1e3caf2;
  --primary-glass-40: #f1e3cacc;
  --primary-glass-70: #f1e3ca80;
  --secondary-20: #738163;
  --secondary-30: #7c8a6b;
  --secondary-50: #a6b09a;
  --secondary-60: #b4bbab;
  --secondary-90: #d7dbd3;
  --secondary-95: #dee1da;
  --secondary-99: #ebede9;
  --secondary-100: #f2f3f0;
  --secondary-glass-50: #d3ddd3a3;
  --secondary-glass-60: #eef2ee66;
  --tertiary-10: #222321;
  --tertiary-20: #323532;
  --tertiary-30: #434742;
  --tertiary-40: #545953;
  --tertiary-60: #767c74;
  --neutral-sage-10: #70716f;
  --neutral-sage-30: #9c9d9b;
  --neutral-sage-60: #dfe1dd;
  --neutral-sage-80: #eff0ee;
  --neutral-sage-90: #f2f3f1;
  --neutral-sage-95: #f5f6f5;
  --neutral-sage-99: #f9f9f8;
  --neutral-ivory-80: #fbf6f2;
  --neutral-ivory-95: #fefcfb;
  --neutral-ivory-99: #fefdfc;
  --charcoal-0: #100f10;
  --charcoal-10: #282728;
  --charcoal-20: #383638;
  --charcoal-30: #504d50;
  --charcoal-50: #737173;
  --charcoal-70: #969496;
  --error-10: #e3a6a6;
  --error-30: #c64d4d;
  --error-40: #b82121;
  --warning-10: #fae9c1;
  --warning-40: #f3c865;
  --success-0: #cce5d8;
  --success-30: #339765;
  --success-40: #007d3e;
  --success-60: #004b25;
  --charcoal-title: #2d2b2d;
  --white-100: #fff;
  --breadcrumb-gray-100: #848284;
  --breadcrumb-green-100: #58634b;
  --button-white: #ffffff;

  --color-background: var(--neutral-ivory-80);
  --color-background-elevated: var(--neutral-ivory-95);
  --color-surface: var(--neutral-ivory-99);
  --color-surface-soft: var(--secondary-100);
  --color-surface-glass: var(--primary-glass-40);
  --color-border: var(--secondary-glass-60);
  --color-border-strong: var(--secondary-glass-50);
  --color-heading: var(--charcoal-10);
  --color-text: var(--tertiary-20);
  --color-text-muted: var(--tertiary-60);
  --color-primary: var(--primary-60);
  --color-primary-strong: var(--warning-40);
  --color-primary-soft: var(--primary-glass-30);
  --color-secondary: var(--secondary-20);
  --color-secondary-soft: var(--secondary-95);
  --color-success: var(--success-40);
  --color-success-soft: var(--success-0);
  --color-danger: var(--error-40);
  --color-danger-soft: color-mix(in srgb, var(--error-10) 38%, white);
  --color-focus-ring: color-mix(in srgb, var(--color-primary) 34%, transparent);
  --shadow-soft: 0 20px 48px color-mix(in srgb, var(--color-secondary) 14%, transparent);
  --shadow-button: 0 10px 24px color-mix(in srgb, var(--color-primary) 34%, transparent);
  --glass-standard-surface: rgba(249, 249, 248, 0.58);
  --glass-standard-border: rgba(255, 255, 255, 0.18);
  --glass-standard-blur: 10px;
  --glass-standard-saturate: 135%;
  --glass-standard-shadow:
    0 24px 48px rgba(16, 15, 16, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  --glass-overlay-backdrop: rgba(16, 15, 16, 0.28);
  --color-background-white: var(--white-100);
  --breadcrumb-home-gray: var(--breadcrumb-gray-100);
  --breadcrumb-page-green: var(--breadcrumb-green-100);
  --breadcrumb-home-black: var(--charcoal-0);
  --card-background: color-mix(in srgb, white 92%, var(--neutral-ivory-95));
  --card-header-background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface-soft) 72%, white) 0%,
    color-mix(in srgb, var(--secondary-99) 64%, white) 100%
  );
  --card-border: 1px solid color-mix(in srgb, var(--secondary-50) 34%, white);

  --font-body: 'Inter', sans-serif;
  --font-display: 'Inter', sans-serif;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --text-h1: clamp(2.5rem, 8vw, 3rem);
  --text-h2: 2rem;
  --text-card-title: 1.5rem;
  --text-body-lg: 1.125rem;
  --text-body: 1rem;
  --text-body-sm: 0.875rem;
  --text-label: 0.875rem;
  --text-label-sm: 0.75rem;
  --text-button-lg: 1.125rem;
  --text-button: 1rem;
  --text-button-sm: 0.875rem;
  --card-title-lg: 1.25rem;
  --subtitle-lg: 1.05rem;
  --modal-title-lg: 2rem;

  --card-line-height: 1.25;
  --subtitle-line-height: 1.45;
  --modal-title-line-height: 1.2;

  --button-border-radius: 0.9rem;

  --transition-interactive: transform 0.2s ease, box-shadow 0.2s ease;
  --btn-hover-translate: -1px;
  --btn-focus-outline-offset: 3px;

  /* ── Yellow button ── */
  --btn-yellow-border: 1px solid color-mix(in srgb, var(--color-primary) 80%, white);
  --btn-yellow-bg: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-primary) 72%, white) 0%,
    color-mix(in srgb, var(--color-primary) 92%, white) 100%
  );
  --btn-yellow-color: var(--charcoal-0);
  --btn-yellow-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 1px 2px color-mix(in srgb, var(--color-primary) 18%, transparent);
  --btn-yellow-font-weight: var(--font-weight-semibold);
  --btn-yellow-font-size: clamp(1.05rem, 1vw, 1.25rem);
  --btn-yellow-transition:
    box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease, opacity 160ms ease;
  --btn-yellow-hover-bg: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-primary) 76%, white) 0%,
    color-mix(in srgb, var(--color-primary) 96%, white) 100%
  );
  --btn-yellow-hover-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 2px 6px color-mix(in srgb, var(--color-primary) 24%, transparent);
  --btn-yellow-hover-translate: -1px;

  /* ── Green button ── */
  --btn-green-bg: #cce5d8;
  --btn-green-color: var(--charcoal-0);
  --btn-green-shadow: none;
  --btn-green-font-weight: var(--font-weight-semibold);
  --btn-green-font-size: clamp(1.05rem, 1vw, 1.25rem);
  --btn-green-transition: var(--transition-interactive);
  --btn-green-hover-translate: -1px;
  --btn-green-hover-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 2px 6px color-mix(in srgb, var(--success-40) 14%, transparent);

  /* ── White button ── */
  --invite-btn-border: 1px solid #00000021;
  --btn-white-bg: var(--button-white);
  --btn-white-border: var(--invite-btn-border);
  --btn-white-color: var(--charcoal-0);
  --btn-white-shadow: none;
  --btn-white-font-weight: var(--font-weight-semibold);
  --btn-white-font-size: clamp(1.05rem, 1vw, 1.25rem);
  --btn-white-transition: var(--transition-interactive);
  --btn-white-hover-translate: -1px;
  --btn-white-hover-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 2px 6px color-mix(in srgb, var(--charcoal-10) 10%, transparent);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  font-size: 16px;
  font-family: var(--font-body);
  color-scheme: light;
}

body {
  min-height: 100vh;
  color: var(--color-text);
  background:
    radial-gradient(
      circle at top,
      color-mix(in srgb, var(--color-primary) 38%, transparent),
      transparent 30%
    ),
    linear-gradient(180deg, var(--neutral-ivory-95), var(--color-background));
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: 1rem;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button,
input,
textarea,
select {
  font: inherit;
}

/* ── Global Toast ── */
.app-toast {
  position: fixed;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99999;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: max-content;
  max-width: calc(100vw - 2rem);
  min-width: 0;
  padding: 10px 18px;
  border-radius: 64px;
  background: var(--success-0);
  color: #1a3c34;
  border: none;
  font-family: inherit;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  box-shadow:
    0px 1px 3px 0px #0000004d,
    0px 4px 8px 3px #00000026;
  cursor: pointer;
  user-select: none;
  white-space: normal;
  text-align: center;
}

.app-toast__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--success-30) 16%, transparent);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.toast-enter-active {
  animation: toast-in 280ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.toast-leave-active {
  animation: toast-out 220ms ease-in forwards;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-120%);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(-40%) scale(0.9);
  }
}

@media (max-width: 600px) {
  .app-toast {
    width: max-content;
    max-width: calc(100vw - 1rem);
    padding: 0.5rem 0.75rem;
  }
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

#app {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

main {
  width: 100%;
}

.app-page {
  min-height: 100vh;
}