:root {
  --bg: #07101a;
  --card: rgba(255, 255, 255, 0.04);
  --accent: #3aa0ff;
  --muted: #b9c9e0;
}

* { 
  box-sizing: border-box; 
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, Arial, sans-serif;
  background: linear-gradient(180deg, #04101a, #071829);
  color: #e9f5ff;
  padding: 24px;
  -webkit-font-smoothing: antialiased;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

header img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 28px rgba(58, 160, 255, 0.15);
}

header h1 { 
  font-size: 20px; 
  margin: 0; 
}

/* ===== HOLIDAY WISH BANNER ===== */
.holiday-wish-banner {
  display: none;
  background: linear-gradient(135deg, #ff416c, #ff4b2b);
  color: #ffffff;
  padding: 14px 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 8px 25px rgba(255, 65, 108, 0.4);
  animation: bannerPulse 2s infinite alternate;
}

@keyframes bannerPulse {
  from { transform: scale(0.99); box-shadow: 0 4px 15px rgba(255, 65, 108, 0.4); }
  to { transform: scale(1.01); box-shadow: 0 10px 30px rgba(255, 65, 108, 0.8); }
}

.container {
  max-width: 1020px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 22px;
  align-items: start;
}

/* ===== CALENDAR HEADER ===== */
.cal-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}

.cal-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.cal-title {
  font-weight: 800;
  font-size: 20px;
  color: #eaf6ff;
}

.cal-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
}

.cal-btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #e9f5ff;
  cursor: pointer;
  font-weight: 700;
  backdrop-filter: blur(6px);
  transition: all 0.2s ease;
}

.cal-btn:hover {
  background: rgba(58, 160, 255, 0.2);
  border-color: var(--accent);
}

#gotoDate {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.04);
  color: #e9f5ff;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 6px 10px;
  height: 36px;
  font-weight: 700;
  flex: 1;
  min-width: 130px;
  color-scheme: dark;
}

#gotoDate::-webkit-calendar-picker-indicator {
  filter: invert(1);
  opacity: 0.9;
  cursor: pointer;
}

.weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-top: 14px;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.day {
  min-height: 92px;
  border-radius: 10px;
  padding: 8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.02);
  transition: transform .15s, box-shadow .15s;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.day:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 45px rgba(0,0,0,.7);
}

.day .date { 
  font-weight: 800; 
  color: var(--accent); 
}

/* ===== NON-CURRENT MONTH DATES (LOW FADE & UNCLICKABLE) ===== */
.other-month {
  opacity: 0.25 !important;
  filter: grayscale(0.8) !important;
  pointer-events: none !important;
  cursor: default !important;
  transform: none !important;
  box-shadow: none !important;
}

/* ===== TODAY CELL & ROITX BADGE ===== */
.day.today {
  background: linear-gradient(135deg, #3aa0ff, #7b6bff);
  box-shadow: 0 0 12px rgba(58,160,255,.9), 0 0 32px rgba(123,107,255,.9);
  animation: pulseToday 1.6s infinite alternate;
}

@keyframes pulseToday {
  from { box-shadow: 0 0 10px rgba(58,160,255,.6); }
  to { box-shadow: 0 0 32px rgba(123,107,255,1); }
}
.roitx-center-badge {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.45);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  pointer-events: none;
  white-space: nowrap;
}



/* ===== OFFICIAL PUBLIC HOLIDAYS (BRIGHT RED GLOW) ===== */
.day.holiday {
  box-shadow: 0 0 18px rgba(255, 50, 50, 0.9) !important;
  border: 1px solid rgba(255, 50, 50, 0.9) !important;
}

/* ===== SPECIAL OBSERVANCE DAYS (SOFT NEON BLUE GLOW) ===== */
.day.observance-day {
  box-shadow: 0 0 14px rgba(58, 160, 255, 0.6) !important;
  border: 1px solid rgba(58, 160, 255, 0.7) !important;
}

.day.holiday::after, .day.observance-day::after {
  content: attr(data-holiday);
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background: #111;
  color: #fff;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: .25s;
  z-index: 100;
}

.day.holiday:hover::after, .day.observance-day:hover::after { 
  opacity: 1; 
}

/* ===== DATE SELECTION / GOTO DATE (PERSISTENT YELLOW GLOW) ===== */
.day.goto {
  box-shadow: 0 0 20px rgba(255, 200, 0, 0.95), inset 0 0 10px rgba(255, 200, 0, 0.5) !important;
  border: 2px solid #ffc800 !important;
  transform: scale(1.04);
}

/* ===== EVENT PURPLE GLOW & TAGS ===== */
.day.event-glow {
  box-shadow: 0 0 16px #7b6bff, 0 0 28px #a48aff;
  animation: pulseEvent 1.5s infinite alternate;
}

@keyframes pulseEvent {
  from { box-shadow: 0 0 8px #7b6bff; }
  to { box-shadow: 0 0 24px #b79aff; }
}

.event-tag {
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 4px;
  margin-top: 4px;
  display: block;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  background: rgba(123, 107, 255, 0.4);
  color: #fff;
}

.event-item.title-glow {
  background: rgba(123,107,255,0.18);
  border-left: 4px solid #7b6bff;
  padding-left: 8px;
  animation: pulseTitle 1.4s infinite alternate;
}

@keyframes pulseTitle {
  from { background: rgba(123,107,255,0.10); }
  to { background: rgba(123,107,255,0.25); }
}

/* SIDE PANEL */
.side { 
  display: flex; 
  flex-direction: column; 
  gap: 12px; 
}

.mini {
  padding: 12px;
  border-radius: 10px;
  background: transparent;
  border: 1px dashed rgba(255,255,255,0.06);
  color: var(--muted);
}

.legend { 
  display: flex; 
  gap: 8px; 
  align-items: center; 
  flex-wrap: wrap; 
}

.legend .dot { 
  width: 10px; 
  height: 10px; 
  border-radius: 50%; 
}

.event-input {
  background: rgba(255, 255, 255, 0.04);
  color: #e9f5ff;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 8px 10px;
  height: 38px;
  font-weight: 600;
  width: 100%;
  margin-bottom: 8px;
}

/* POPUP OVERLAY */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
  backdrop-filter: blur(4px);
}

.popup-box {
  background: #0b1a2b;
  color: #fff;
  padding: 22px;
  border-radius: 14px;
  width: 85%;
  max-width: 320px;
  text-align: center;
  box-shadow: 0 0 30px rgba(58,160,255,.4);
  border: 1px solid rgba(255,255,255,0.1);
  animation: pop .3s ease;
}

.popup-box h3 { 
  margin: 0 0 10px; 
  color: #3aa0ff; 
}

.popup-box button {
  margin-top: 14px;
  padding: 8px 16px;
  border: 0;
  border-radius: 8px;
  background: #3aa0ff;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

@keyframes pop {
  from { transform: scale(.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@media (max-width: 900px) {
  .container { grid-template-columns: 1fr; }
  .day { min-height: 72px; }
  #gotoDate { width: 100%; }
}