/* ============ THEME TOKENS ============ */
:root[data-theme="light"] {
  --bg: #f4efe6;
  --bg-elev: #faf6ee;
  --ink: #1a1714;
  --ink-soft: #5a4f44;
  --ink-faint: #9a8d7e;
  --accent: #c84a2c;
  --accent-soft: #e89678;
  --line: #d9cfbf;
  --shadow: 0 1px 0 rgba(26, 23, 20, 0.04), 0 12px 40px -12px rgba(26, 23, 20, 0.12);
  --grain-opacity: 0.04;
}

:root[data-theme="dark"] {
  --bg: #14110d;
  --bg-elev: #1d1915;
  --ink: #f1ead8;
  --ink-soft: #b8ad9a;
  --ink-faint: #6e6453;
  --accent: #f47855;
  --accent-soft: #e89678;
  --line: #2e2823;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 12px 40px -12px rgba(0, 0, 0, 0.6);
  --grain-opacity: 0.06;
}

/* ============ RESET & BASE ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Fraunces', Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  font-feature-settings: 'ss01', 'ss02';
  transition: background 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
}

/* Subtle paper grain */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

/* ============ TOP BAR ============ */
.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 2.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.brand-mark {
  color: var(--accent);
  font-size: 1rem;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  border-radius: 21px;
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover {
  color: var(--ink);
  border-color: var(--line);
}

.month-dropdown {
  position: relative;
}

.month-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 21px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.month-trigger:hover,
.month-trigger[aria-expanded="true"] {
  border-color: var(--ink);
  color: var(--ink);
}

.month-trigger:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.month-chevron {
  transition: transform 0.25s ease;
  opacity: 0.7;
}

.month-trigger[aria-expanded="true"] .month-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.month-panel {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  z-index: 20;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  padding: 0.5rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
}

.month-panel[data-open="true"] {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0s;
}

.month-panel a {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease, padding 0.15s ease;
}

.month-panel a:hover,
.month-panel a:focus-visible {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  padding-left: 1.1rem;
  outline: none;
}

.month-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  min-width: 1.4rem;
  transition: color 0.15s ease;
}

.month-name {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: -0.005em;
  transition: color 0.15s ease;
}

.month-panel a:hover .month-num,
.month-panel a:focus-visible .month-num,
.month-panel a.is-current .month-num {
  color: var(--accent);
}

.month-panel a:hover .month-name,
.month-panel a:focus-visible .month-name,
.month-panel a.is-current .month-name {
  color: var(--accent);
}

.month-panel a.is-current {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--ink);
  transform: rotate(15deg);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  grid-area: 1 / 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

[data-theme="light"] .icon-sun { opacity: 1; transform: rotate(0); }
[data-theme="light"] .icon-moon { opacity: 0; transform: rotate(-90deg); }
[data-theme="dark"]  .icon-sun  { opacity: 0; transform: rotate(90deg); }
[data-theme="dark"]  .icon-moon { opacity: 1; transform: rotate(0); }

/* ============ PAGE LAYOUT ============ */
.page {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  padding: 2rem 2.5rem 4rem;
}

/* ============ HERO ============ */
.hero {
  padding: 3rem 0 5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4rem;
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fade-up 0.8s ease 0.1s forwards;
}

.title {
  font-size: clamp(3.5rem, 11vw, 8.5rem);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 3rem;
}

.title-line {
  display: block;
  opacity: 0;
  animation: fade-up 1s ease forwards;
}
.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.35s; }

.title .italic {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  margin-left: 0.15em;
}

/* ============ TODAY SECTION ============ */
.today-section {
  opacity: 0;
  animation: fade-up 1s ease 0.5s forwards;
}

.loader {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
}

.celebrant {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.5rem 0;
}

.celebrant-name {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.celebrant-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.celebrant-date::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.celebrant + .celebrant {
  border-top: 1px solid var(--line);
}

.celebrant-row {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.cake-icon {
  width: 72px;
  height: 80px;
  color: var(--accent);
  flex-shrink: 0;
}

.cake-flame {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: flame-flicker 1.7s ease-in-out infinite;
}

@keyframes flame-flicker {
  0%, 100% {
    transform: scale(1, 1) rotate(0deg);
    opacity: 1;
  }
  18% {
    transform: scale(0.95, 1.07) rotate(-2.5deg);
    opacity: 0.92;
  }
  42% {
    transform: scale(1.05, 0.94) rotate(1.5deg);
    opacity: 1;
  }
  68% {
    transform: scale(0.97, 1.05) rotate(-1deg);
    opacity: 0.9;
  }
  85% {
    transform: scale(1.03, 0.97) rotate(0.6deg);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cake-flame { animation: none; }
}

.no-birthdays {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.no-birthdays-msg {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
  font-style: italic;
  font-weight: 300;
  max-width: 720px;
}

.no-birthdays-msg em {
  font-family: 'JetBrains Mono', monospace;
  font-style: normal;
  font-weight: 500;
  font-size: 0.78em;
  letter-spacing: 0.02em;
  color: var(--accent);
  padding: 0 0.15em;
}

.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.upcoming-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s ease;
}

.upcoming-row:hover {
  padding-left: 0.5rem;
}

.upcoming-when {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.upcoming-name {
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.upcoming-day {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.upcoming-empty {
  font-style: italic;
  color: var(--ink-faint);
  padding: 1rem 0;
}

/* ============ MONTH SECTION ============ */
.month-section {
  padding: 1rem 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
}

.section-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.month-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.month-card {
  padding: 1.5rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.month-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  box-shadow: var(--shadow);
}

.month-card.is-today {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-elev));
}

.day-number {
  font-family: 'Fraunces', serif;
  font-size: 2.5rem;
  font-weight: 300;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
  min-width: 60px;
}

.month-card.is-today .day-number {
  font-weight: 500;
}

.person-name {
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.month-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  align-items: flex-start;
}

.cake-icon-mini {
  width: 38px;
  height: 42px;
  color: var(--accent);
  flex-shrink: 0;
  align-self: center;
}

.month-empty {
  grid-column: 1 / -1;
  padding: 3rem 0;
  text-align: center;
  font-style: italic;
  color: var(--ink-faint);
  font-size: 1.1rem;
}

/* ============ FOOTER ============ */
.footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ============ ANIMATIONS ============ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ ADMIN ============ */
.admin-page { max-width: 720px; }

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.people-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.person-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.person-row:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.person-row-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
  flex: 1;
}

.person-row-name {
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: -0.005em;
}

.person-row-dob {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.person-row-actions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.person-row-empty {
  padding: 3rem 0;
  text-align: center;
  font-style: italic;
  color: var(--ink-faint);
}

.btn-action {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.btn-action:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.btn-action.is-danger:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ============ MODAL ============ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal[hidden] { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--ink) 55%, transparent);
  cursor: pointer;
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 1.5rem 1.75rem 1.75rem;
  animation: modal-pop 0.2s ease-out;
}

@keyframes modal-pop {
  from { opacity: 0; transform: translateY(8px) scale(0.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.modal-title {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--ink-soft);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
}

.modal-close:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}

.modal-form {
  border-top: none;
  padding: 0;
  gap: 1rem;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.field-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.field input {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.1rem;
  background: var(--bg-elev);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.field-check {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  user-select: none;
  padding: 0.25rem 0;
  align-self: flex-start;
  position: relative;
}

.field-check input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.field-check-mark {
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--line);
  border-radius: 4px;
  background: var(--bg-elev);
  display: grid;
  place-items: center;
  color: transparent;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.field-check input:checked ~ .field-check-mark {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg-elev);
}

.field-check input:focus-visible ~ .field-check-mark {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.field-check-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.btn-primary {
  align-self: flex-start;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--accent);
  color: #faf6ee;
  border: none;
  padding: 0.85rem 1.6rem;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-primary:hover {
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-error,
.form-msg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.form-error { color: #c84a2c; }
.form-msg.is-error { color: #c84a2c; }
.form-msg.is-success { color: #3a7d44; }

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
  .topbar { padding: 1.25rem 1.25rem; }
  .topbar-nav { gap: 0.4rem; }
  .nav-link { padding: 0.5rem 0.6rem; }
  .month-trigger { padding: 0.5rem 0.8rem; }
  .month-panel { min-width: 200px; }
  .brand-text { display: none; }
  .page { padding: 1rem 1.25rem 3rem; }
  .hero { padding: 1.5rem 0 3rem; margin-bottom: 2.5rem; }
  .upcoming-row {
    grid-template-columns: 90px 1fr;
    gap: 1rem;
  }
  .upcoming-day { grid-column: 2; }
  .month-list { grid-template-columns: 1fr; gap: 0.75rem; }
  .month-card { padding: 1.25rem; }
  .month-card-body {
    flex: 1;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }
  .month-card-body .cake-icon-mini { margin-left: auto; }
  .person-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
    padding: 0.9rem 1rem;
  }
  .person-row-actions { justify-content: flex-end; }
  .modal-panel { padding: 1.25rem 1.25rem 1.5rem; }
}