/* ==========================================================================
   CSE Gamma Class Calendar - Vibrant White Peach Cyber-Manga & Torii Theme
   With Computer Science Badges & Mini CSS Neko Cats 🐱
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bangers&family=Fira+Code:wght@500;700&family=Kosugi+Maru&family=Shippori+Mincho:wght@700;800&family=Outfit:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Palette - Crisp Whiteish Manga Paper & Warm Peach */
  --bg-dark: #FFF8F5;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFF2EC;

  --border-color: #1A1114;
  --ink-black: #1A1114;
  --ink-shadow: 4px 4px 0px #1A1114;
  --ink-shadow-sm: 2.5px 2.5px 0px #1A1114;

  --text-main: #1A1114;
  --text-muted: #5A4046;
  --text-dim: #8A6B72;

  /* Peach & Torii Colors */
  --peach-pink: #FF6B81;
  --peach-coral: #FF5252;
  --peach-glow: rgba(255, 107, 129, 0.35);

  --torii-red: #E63946;
  --torii-red-glow: rgba(230, 57, 70, 0.35);

  --peach-gold: #FF9F43;
  --bamboo-green: #10B981;
  --manga-yellow: #FFD166;
  --cyber-purple: #8A2BE2;

  /* Event Type Mapping */
  --type-exam: var(--torii-red);
  --type-exam-bg: #FFE5E7;

  --type-assignment: var(--peach-gold);
  --type-assignment-bg: #FFF0E0;

  --type-class: var(--peach-pink);
  --type-class-bg: #FFE8EC;

  --type-personal: var(--bamboo-green);
  --type-personal-bg: #E6F7F2;

  /* Fonts */
  --font-manga: 'Bangers', cursive, sans-serif;
  --font-code: 'Fira Code', monospace;
  --font-kanji: 'Shippori Mincho', 'Kosugi Maru', serif;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Geometry */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Universal Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  /* Crisp White Manga Halftone Dot Background Pattern */
  background-image: 
    radial-gradient(rgba(255, 107, 129, 0.12) 15%, transparent 16%),
    radial-gradient(rgba(255, 159, 67, 0.1) 15%, transparent 16%),
    linear-gradient(180deg, #FFFFFF 0%, #FFF4EE 100%);
  background-size: 16px 16px, 24px 24px, 100% 100%;
  background-position: 0 0, 8px 8px, 0 0;
  background-attachment: fixed;
}

/* Background Falling Canvas */
#sakura-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

/* App Container */
.app-container {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem 1.25rem;
}

/* Vibrant Whiteish Manga Hero Banner */
.manga-hero-banner {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(255, 235, 230, 0.9)), url('assets/manga_samurai_hero.png') center/cover no-repeat;
  border: 3px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: visible;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.manga-hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 245, 240, 0.88) 60%, rgba(255, 255, 255, 0.45) 100%);
  z-index: 1;
  border-radius: calc(var(--radius-xl) - 3px);
}

.manga-hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.manga-torii-logo {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  border: 3px solid var(--ink-black);
  box-shadow: var(--ink-shadow-sm);
  background: #FFFFFF;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

/* CSE Gamma Computer Science Badge Pill */
.cse-gamma-pill {
  font-family: var(--font-code);
  font-size: 0.825rem;
  font-weight: 700;
  background: #FFFFFF;
  border: 2px solid var(--ink-black);
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--torii-red);
  box-shadow: var(--ink-shadow-sm);
  margin-bottom: 0.3rem;
  width: fit-content;
}

.brand-title h1 {
  font-family: var(--font-manga);
  font-size: 2.9rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--ink-black);
  text-shadow: 2.5px 2.5px 0px #FFD5CC;
  text-transform: uppercase;
}

.brand-title p {
  font-size: 0.925rem;
  color: var(--torii-red);
  font-family: var(--font-kanji);
  font-weight: 800;
  margin-top: 0.2rem;
}

.header-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Comic Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: 2.5px solid var(--ink-black);
  background: #FFFFFF;
  color: var(--text-main);
  text-decoration: none;
  user-select: none;
  box-shadow: var(--ink-shadow-sm);
  touch-action: manipulation;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px var(--ink-black);
  background: var(--bg-card-hover);
}

.btn:active {
  transform: translate(0px, 0px);
  box-shadow: 1px 1px 0px var(--ink-black);
}

.btn-peach {
  background: linear-gradient(135deg, var(--peach-pink), var(--peach-coral));
  color: #FFFFFF;
  text-shadow: 1px 1px 0px var(--ink-black);
}

.btn-torii {
  background: linear-gradient(135deg, var(--torii-red), #C5221F);
  color: #FFFFFF;
  text-shadow: 1px 1px 0px var(--ink-black);
}

/* Sound Effect Callout Badge */
.manga-sound-effect {
  position: absolute;
  top: -14px;
  right: 25px;
  font-family: var(--font-code);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink-black);
  background: var(--manga-yellow);
  padding: 0.2rem 0.8rem;
  border: 2.5px solid var(--ink-black);
  box-shadow: 3px 3px 0px var(--ink-black);
  transform: rotate(4deg);
  z-index: 4;
}

/* 🐱 MINI CSS CATS HANGING OUT AROUND THE SITE */

/* 1. Header Roof Sitting Cat */
.neko-roof-cat {
  position: absolute;
  top: -28px;
  left: 60px;
  z-index: 5;
  display: flex;
  align-items: flex-end;
  font-size: 1.7rem;
  user-select: none;
  pointer-events: auto;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.neko-roof-cat:hover {
  transform: translateY(-4px) scale(1.15);
}

.neko-tail-wag {
  display: inline-block;
  transform-origin: bottom left;
  animation: tailWag 2.5s ease-in-out infinite alternate;
}

@keyframes tailWag {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(15deg); }
  100% { transform: rotate(-10deg); }
}

/* 2. Search Bar Peeking Cyber Neko */
.search-box-container {
  position: relative;
}

.neko-peeking-search {
  position: absolute;
  top: -22px;
  right: 18px;
  z-index: 4;
  font-size: 0.95rem;
  user-select: none;
  background: #FFFFFF;
  border: 2.5px solid var(--ink-black);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 0 0.4rem;
  color: var(--torii-red);
  font-family: var(--font-code);
  font-weight: 700;
  animation: nekoBlink 4s infinite;
}

@keyframes nekoBlink {
  0%, 94%, 100% { transform: translateY(0); }
  96% { transform: translateY(3px); }
}

/* 3. Calendar Corner Sleeping Neko */
.neko-sleeping-calendar {
  position: absolute;
  top: -26px;
  right: 20px;
  z-index: 5;
  font-size: 1.35rem;
  user-select: none;
  filter: drop-shadow(2px 2px 0px var(--ink-black));
  cursor: pointer;
}

.neko-sleeping-calendar::after {
  content: 'zzz...';
  position: absolute;
  top: -12px;
  right: -10px;
  font-size: 0.7rem;
  font-family: var(--font-manga);
  color: var(--torii-red);
  animation: zzzFloat 2s ease-in-out infinite;
}

@keyframes zzzFloat {
  0% { opacity: 0.4; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-4px); }
  100% { opacity: 0.4; transform: translateY(-8px); }
}

/* 4. Undated Tasks Hanging Paws Cat */
.neko-hanging-undated {
  position: absolute;
  top: -24px;
  left: 280px;
  z-index: 4;
  font-size: 1.3rem;
  user-select: none;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
}

.neko-hanging-undated:hover {
  transform: rotate(-10deg) scale(1.2);
}

/* 5. Paw Print on Day Cells Hover */
.calendar-day:hover::after {
  content: '🐾';
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-size: 0.8rem;
  opacity: 0.6;
  pointer-events: none;
}

/* Stats Overview Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-card);
  border: 2.5px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--ink-black);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  border: 2px solid var(--ink-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: var(--ink-shadow-sm);
}

.stat-icon.total { background: #FFE8EC; color: var(--peach-pink); }
.stat-icon.exam { background: #FFE5E7; color: var(--torii-red); }
.stat-icon.assignment { background: #FFF0E0; color: var(--peach-gold); }
.stat-icon.undated { background: #E6F7F2; color: var(--bamboo-green); }

.stat-info .stat-value {
  font-family: var(--font-manga);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--text-main);
}

.stat-info .stat-label {
  font-size: 0.825rem;
  font-weight: 800;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stat-kanji-tag {
  font-family: var(--font-code);
  font-size: 0.78rem;
  color: var(--torii-red);
}

/* Controls Panel */
.controls-panel {
  background: var(--bg-card);
  border: 2.5px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}

.controls-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.current-month-display {
  font-family: var(--font-manga);
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  min-width: 210px;
  text-align: center;
  color: var(--ink-black);
  text-shadow: 1.5px 1.5px 0px #FFD5CC;
}

.month-kanji-sub {
  font-size: 0.85rem;
  font-family: var(--font-kanji);
  color: var(--torii-red);
  margin-left: 0.3rem;
}

.search-box {
  position: relative;
  min-width: 260px;
}

.search-box input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  background: #FFFFFF;
  border: 2.5px solid var(--ink-black);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-code);
  font-size: 0.825rem;
  font-weight: 700;
  outline: none;
  box-shadow: var(--ink-shadow-sm);
  transition: transform var(--transition-fast);
}

.search-box input:focus {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--ink-black);
  border-color: var(--peach-pink);
}

.search-box svg {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  fill: var(--text-dim);
}

/* Touch-Scrollable Filter Chips Bar */
.filters-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 2px dashed #E0C8C0;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-label {
  font-family: var(--font-manga);
  font-size: 1.15rem;
  color: var(--torii-red);
  margin-right: 0.25rem;
}

.chip {
  padding: 0.4rem 0.95rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  background: #FFFFFF;
  border: 2px solid var(--ink-black);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  box-shadow: var(--ink-shadow-sm);
  white-space: nowrap;
}

.chip:hover, .chip:active {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0px var(--ink-black);
  color: var(--text-main);
}

.chip.active {
  background: var(--peach-pink);
  border-color: var(--ink-black);
  color: #FFFFFF;
  font-weight: 800;
  box-shadow: 3px 3px 0px var(--ink-black);
}

.chip.chip-exam.active { background: var(--torii-red); color: #FFFFFF; }
.chip.chip-assignment.active { background: var(--peach-gold); color: #FFFFFF; }
.chip.chip-class.active { background: var(--peach-pink); color: #FFFFFF; }
.chip.chip-personal.active { background: var(--bamboo-green); color: #FFFFFF; }

/* Main Calendar Container */
.calendar-wrapper {
  background: var(--bg-card);
  border: 3px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-xl);
  overflow: visible;
  position: relative;
  margin-bottom: 2.5rem;
}

/* Weekday Names Header */
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--ink-black);
  border-bottom: 2.5px solid var(--ink-black);
  text-align: center;
  border-radius: calc(var(--radius-xl) - 3px) calc(var(--radius-xl) - 3px) 0 0;
}

.weekday {
  padding: 0.85rem 0.25rem;
  font-family: var(--font-manga);
  font-size: 1.15rem;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.weekday-kanji {
  font-family: var(--font-kanji);
  font-size: 0.75rem;
  color: var(--manga-yellow);
}

/* Calendar Grid */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-auto-rows: minmax(115px, 1fr);
  gap: 2px;
  background: var(--ink-black);
  border-radius: 0 0 calc(var(--radius-xl) - 3px) calc(var(--radius-xl) - 3px);
  overflow: hidden;
}

/* Day Cell Panel */
.calendar-day {
  background: #FFFFFF;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  position: relative;
  min-height: 115px;
}

.calendar-day:hover, .calendar-day:active {
  background: var(--bg-card-hover);
  z-index: 2;
}

.calendar-day.other-month {
  background: #F7EFEB;
  opacity: 0.55;
}

.calendar-day.is-today {
  background: #FFF0EE;
}

.calendar-day.is-today::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4.5px;
  background: var(--torii-red);
}

.day-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.day-number {
  font-family: var(--font-manga);
  font-size: 1.3rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

.calendar-day.is-today .day-number {
  background: var(--torii-red);
  color: #FFFFFF;
  border: 1.5px solid var(--ink-black);
  box-shadow: var(--ink-shadow-sm);
}

.event-count-badge {
  font-family: var(--font-manga);
  font-size: 0.8rem;
  padding: 0.1rem 0.45rem;
  border-radius: 9999px;
  background: var(--peach-pink);
  color: #FFFFFF;
  border: 1.5px solid var(--ink-black);
}

/* Event Preview Items */
.day-events-preview {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: auto;
  overflow: hidden;
}

.event-pill {
  font-size: 0.725rem;
  font-weight: 800;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border: 1.5px solid var(--ink-black);
}

.event-pill.type-exam { background: var(--type-exam-bg); color: var(--torii-red); border-left: 4px solid var(--torii-red); }
.event-pill.type-assignment { background: var(--type-assignment-bg); color: #D97706; border-left: 4px solid var(--peach-gold); }
.event-pill.type-class { background: var(--type-class-bg); color: var(--peach-pink); border-left: 4px solid var(--peach-pink); }
.event-pill.type-personal { background: var(--type-personal-bg); color: #059669; border-left: 4px solid var(--bamboo-green); }

.event-dots-row {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  margin-top: 0.25rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--ink-black);
  display: inline-block;
}

.dot-exam { background-color: var(--torii-red); }
.dot-assignment { background-color: var(--peach-gold); }
.dot-class { background-color: var(--peach-pink); }
.dot-personal { background-color: var(--bamboo-green); }

/* Agenda / Mobile List View */
.agenda-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.agenda-day-group {
  background: var(--bg-card);
  border: 2.5px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.agenda-date-header {
  font-family: var(--font-manga);
  font-size: 1.45rem;
  color: var(--torii-red);
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px dashed #E0C8C0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.event-card {
  background: #FFFFFF;
  border: 2.5px solid var(--ink-black);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--ink-shadow-sm);
  transition: transform var(--transition-fast);
}

.event-card:hover, .event-card:active {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px var(--ink-black);
}

.event-card-main {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.event-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text-main);
}

.event-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 800;
  border: 1.5px solid var(--ink-black);
}

.badge-type.type-exam { background: var(--torii-red); color: #FFFFFF; }
.badge-type.type-assignment { background: var(--peach-gold); color: #FFFFFF; }
.badge-type.type-class { background: var(--peach-pink); color: #FFFFFF; }
.badge-type.type-personal { background: var(--bamboo-green); color: #FFFFFF; }

.badge-subject {
  background: #FFF2EC;
  color: var(--text-main);
  border: 1.5px solid var(--ink-black);
  font-family: var(--font-code);
  font-size: 0.75rem;
}

.event-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Undated Section */
.undated-section {
  margin-top: 3rem;
  position: relative;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.section-title {
  font-family: var(--font-manga);
  font-size: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.undated-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}

.undated-card {
  background: var(--bg-card);
  border: 2.5px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: transform var(--transition-fast);
}

.undated-card:hover, .undated-card:active {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0px var(--ink-black);
}

/* ==========================================================================
   ⚔️ ANIMATED SAMURAI CSS EMPTY STATE ("NO QUESTS SCHEDULED")
   ========================================================================== */

.samurai-empty-card {
  text-align: center;
  padding: 3rem 1.5rem;
  background: #FFFFFF;
  border: 3px solid var(--ink-black);
  box-shadow: var(--ink-shadow);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.samurai-empty-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--torii-red), var(--peach-pink), var(--peach-gold));
}

/* Animated Katana Slash Badge */
.samurai-avatar-wrapper {
  position: relative;
  width: 90px;
  height: 90px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.samurai-emblem-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--ink-black);
  background: linear-gradient(135deg, #FFE8EC, #FFF0E0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  box-shadow: var(--ink-shadow-sm);
  position: relative;
  z-index: 2;
}

/* Animated Katana Blade Slash Line */
.katana-slash-blade {
  position: absolute;
  top: 50%;
  left: -20%;
  width: 140%;
  height: 4px;
  background: linear-gradient(90deg, transparent, #FFFFFF, var(--torii-red), #FFFFFF, transparent);
  box-shadow: 0 0 12px var(--torii-red);
  transform: translateY(-50%) rotate(-35deg) scaleX(0);
  z-index: 3;
  pointer-events: none;
  animation: katanaSlash 2.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes katanaSlash {
  0% { transform: translateY(-50%) rotate(-35deg) scaleX(0); opacity: 0; }
  15% { transform: translateY(-50%) rotate(-35deg) scaleX(1); opacity: 1; }
  40% { transform: translateY(-50%) rotate(-35deg) scaleX(1); opacity: 0.8; }
  60% { transform: translateY(-50%) rotate(-35deg) scaleX(0); opacity: 0; }
  100% { transform: translateY(-50%) rotate(-35deg) scaleX(0); opacity: 0; }
}

.samurai-empty-title {
  font-family: var(--font-manga);
  font-size: 2.2rem;
  letter-spacing: 0.04em;
  color: var(--ink-black);
  text-shadow: 1.5px 1.5px 0px #FFD5CC;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
}

.samurai-empty-desc {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  max-width: 440px;
  margin: 0 auto;
}

.samurai-sound-callout {
  font-family: var(--font-code);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--torii-red);
  background: var(--manga-yellow);
  padding: 0.15rem 0.6rem;
  border: 2px solid var(--ink-black);
  box-shadow: 2px 2px 0px var(--ink-black);
  transform: rotate(-4deg);
  display: inline-block;
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 17, 20, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #FFFFFF;
  border: 3.5px solid var(--ink-black);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 8px 8px 0px var(--ink-black);
  transform: scale(0.95) translateY(12px);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 3px solid var(--ink-black);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--peach-pink);
  color: #FFFFFF;
}

.modal-title-group h3 {
  font-family: var(--font-manga);
  font-size: 1.7rem;
  color: #FFFFFF;
  text-shadow: 1.5px 1.5px 0px var(--ink-black);
}

.modal-title-group p {
  font-size: 0.85rem;
  font-weight: 800;
  color: #FFFFFF;
}

.close-btn {
  background: #FFFFFF;
  border: 2px solid var(--ink-black);
  color: var(--ink-black);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ink-shadow-sm);
}

.modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Error Banner */
.error-banner {
  background: var(--torii-red);
  border: 2.5px solid var(--ink-black);
  color: #FFFFFF;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  box-shadow: var(--ink-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Footer */
.app-footer {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 2.5px dashed #E0C8C0;
  text-align: center;
  font-size: 1rem;
  color: var(--torii-red);
  font-family: var(--font-manga);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .app-container {
    padding: 0.75rem 0.75rem 3rem 0.75rem;
  }

  .manga-hero-banner {
    padding: 1.25rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .manga-torii-logo {
    width: 64px;
    height: 64px;
  }

  .brand-title h1 {
    font-size: 2.2rem;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .header-actions .btn {
    flex: 1;
    min-width: 110px;
    font-size: 0.825rem;
    padding: 0.55rem 0.75rem;
  }

  .controls-panel {
    padding: 1rem;
    gap: 1rem;
  }

  .controls-top {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .nav-controls {
    justify-content: space-between;
    width: 100%;
  }

  .current-month-display {
    font-size: 1.4rem;
    min-width: auto;
  }

  .search-box {
    width: 100%;
  }

  .filters-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filters-row::-webkit-scrollbar {
    display: none;
  }

  .filter-group {
    flex-wrap: nowrap;
    flex-shrink: 0;
  }

  .calendar-grid {
    grid-auto-rows: minmax(72px, 1fr);
  }

  .calendar-day {
    padding: 0.25rem;
    min-height: 72px;
  }

  .day-number {
    font-size: 0.95rem;
    width: 24px;
    height: 24px;
  }

  .event-count-badge {
    font-size: 0.7rem;
    padding: 0.05rem 0.35rem;
  }

  .event-pill {
    font-size: 0.65rem;
    padding: 0.12rem 0.25rem;
  }

  .weekday {
    font-size: 0.85rem;
    padding: 0.5rem 0.1rem;
  }

  .undated-grid {
    grid-template-columns: 1fr;
  }

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

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-container {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    border-bottom: none;
    transform: translateY(100%);
  }

  .modal-overlay.active .modal-container {
    transform: translateY(0);
  }
}

@media (max-width: 400px) {
  .brand-title h1 {
    font-size: 1.8rem;
  }

  .calendar-grid {
    grid-auto-rows: minmax(62px, 1fr);
  }

  .calendar-day {
    min-height: 62px;
  }

  .day-events-preview .event-pill {
    display: none;
  }
}