@font-face {
  font-family: "nova";
  src: url("./font/NovaBySoristudio-Regular.otf") format("opentype");
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: "solaris";
  src: url("./font/Solaris-3-Script.otf") format("opentype");
  font-weight: normal;
  font-style: normal;
}

/* ===== Dark Mode (Default) ===== */
:root {
  /* Background Colors */
  --bg-primary: #050505;
  --bg-gradient-start: #1a1a1a;
  --bg-gradient-end: #050505;

  /* Card Colors */
  --card-bg-gradient-start: #242424;
  --card-bg-gradient-end: #111111;
  --card-bg-hover-start: #1a1a1a;
  --card-bg-hover-end: #0d0d0d;
  --card-border: #222222;
  --card-border-hover: #333333;
  --card-shadow-inset: rgba(255, 255, 255, 0.05);

  /* Text Colors */
  --text-primary: #e0e0e0;
  --text-secondary: #eaeaea;
  --text-tertiary: #acacac;
  --text-muted: #666666;
  --text-section-title: #666666;

  /* Header Title Gradient */
  --header-gradient-start: #ffffff;
  --header-gradient-end: #a1a1a1;
  --header-dot-inactive: linear-gradient(120deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.12));

  /* Accent Colors */
  --accent-primary: #00ff88;
  --accent-primary-glow: rgba(0, 255, 136, 0.7);
  --accent-alert-red: #ff3b3b;
  --accent-alert-red-glow: rgba(255, 59, 59, 0.9);
  --accent-offline-red: #ff4444;

  /* Border & Divider */
  --border-accent: #00ff88;
  --divider-gradient-start: #333333;

  /* Scrollbar */
  --scrollbar-track: #050505;
  --scrollbar-thumb-start: #333333;
  --scrollbar-thumb-end: #222222;
  --scrollbar-thumb-hover: #444444;
  --scrollbar-thumb-active: #00ff88;
  --scrollbar-thumb-active-glow: rgba(0, 255, 136, 1);

  /* Card Decor */
  --decor-gradient-start: #777777;
  --decor-gradient-end: #333333;
  --decor-border: #111111;
  --decor-bar: #222222;
  --decor-bar-active: #000000;

  /* Glass Effect */
  --glass-gradient: linear-gradient(120deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.12));
  --glass-shadow: rgba(255, 255, 255, 0.25);
  --glass-shadow-blur: rgba(0, 0, 0, 0.08);
}

/* ===== Light Mode ===== */
:root.light-mode {
  /* Background Colors */
  --bg-primary: #fafafa;
  --bg-gradient-start: #e5e5e5;
  --bg-gradient-end: #fafafa;

  /* Card Colors */
  --card-bg-gradient-start: #ffffff;
  --card-bg-gradient-end: #f5f5f5;
  --card-bg-hover-start: #ffffff;
  --card-bg-hover-end: #f0f0f0;
  --card-border: #e0e0e0;
  --card-border-hover: #d0d0d0;
  --card-shadow-inset: rgba(0, 0, 0, 0.03);

  /* Text Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #2a2a2a;
  --text-tertiary: #4a4a4a;
  --text-muted: #999999;
  --text-section-title: #888;

  /* Header Title Gradient */
  --header-gradient-start: #1a1a1a;
  --header-gradient-end: #5a5a5a;
  --header-dot-inactive: linear-gradient(120deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.08));

  /* Accent Colors (same) */
  --accent-primary: #00ff88;
  --accent-primary-glow: rgba(0, 255, 136, 0.7);
  --accent-alert-red: #ff3b3b;
  --accent-alert-red-glow: rgba(255, 59, 59, 0.9);
  --accent-offline-red: #ff4444;

  /* Border & Divider */
  --border-accent: #00cc6a;
  --divider-gradient-start: #d0d0d0;

  /* Scrollbar */
  --scrollbar-track: #f0f0f0;
  --scrollbar-thumb-start: #c0c0c0;
  --scrollbar-thumb-end: #d0d0d0;
  --scrollbar-thumb-hover: #a0a0a0;
  --scrollbar-thumb-active: #00ff88;
  --scrollbar-thumb-active-glow: rgba(0, 255, 136, 1);

  /* Card Decor */
  --decor-gradient-start: #b0b0b0;
  --decor-gradient-end: #d0d0d0;
  --decor-border: #e5e5e5;
  --decor-bar: #d5d5d5;
  --decor-bar-active: #c0c0c0;

  /* Glass Effect */
  --glass-gradient: linear-gradient(120deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.05));
  --glass-shadow: rgba(0, 0, 0, 0.15);
  --glass-shadow-blur: rgba(0, 0, 0, 0.05);
}

html {
  background-color: var(--bg-primary);
}

/* Nova: Stella Sora, Solaris: Wuthering Waves */
.glyph {
  font-family: "solaris";
}

.nova *,
.nova *::before,
.nova *::after {
  font-family: "nova";
}

.semi-nova .glyph {
  font-family: "nova";
}

.solaris *,
.solaris *::before,
.solaris *::after {
  font-family: "solaris";
}

.semi-solaris .glyph {
  font-family: "solaris";
}

/* initial */
h2 {
  margin: 0;
  padding: 0;
}

/* utility classes */
.m-0 {
  margin: 0
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-6 {
  margin-top: 1.5rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.p-0 {
  padding: 0
}

.pt-5 {
  padding-top: 1.25rem;
}

.pt-20 {
  padding-top: 5rem;
}

.pl-1 {
  padding-left: 1rem;
}

.pb-10 {
  padding-bottom: 2.5rem;
}

.pb-12 {
  padding-bottom: 3rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.w-full {
  width: 100%;
}

.max-w-full {
  max-width: 100%;
}

.min-w-0 {
  min-width: 0;
}

.h-6 {
  height: 1.5rem;
}

.h-20 {
  height: 5rem;
}

.flex {
  display: flex
}

.flex-column {
  flex-direction: column
}

.justify-center {
  justify-content: center;
}

.align-center {
  align-items: center
}

.keep-all {
  word-break: keep-all;
}

.text-center {
  text-align: center;
}

.text-ellipsis {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.overflow-hidden {
  overflow: hidden;
}

.pointer {
  cursor: pointer;
}

.grid {
  display: grid;
}

.grid-col-3 {
  grid-template-columns: repeat(3, 1fr);
}

.gap-6 {
  gap: 1.5rem;
}

/* scrollbar styles */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb-start) var(--scrollbar-track);
}

*::-webkit-scrollbar {
  width: var(--scrollbar-track);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, var(--scrollbar-thumb-start), var(--scrollbar-thumb-end));
  border-radius: 10px;
  border: 2px solid var(--scrollbar-track);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
  border-color: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb:active {
  background: var(--scrollbar-thumb-active);
  box-shadow: 0 0 10px var(--scrollbar-thumb-active-glow);
}

/* body styles */
body {
  background-color: var(--bg-primary);
  background: radial-gradient(circle at 50% 50%, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  color: var(--text-primary);
  /* 1순위: 애플 시스템 폰트, 2순위: 노토산스, 3순위: 시스템 기본 고딕 */
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans KR", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  -webkit-font-smoothing: antialiased;
  /* 글자를 더 매끄럽게 보이게 함 */
  min-height: 100vh;
}

/* header styles */
.header-title {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: 4px;
  text-transform: lowercase;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  touch-action: pan-y;
  background: linear-gradient(to bottom, #ffffff 30%, #a1a1a1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

.header-title.is-sliding {
  opacity: 0.85;
}

.header-title .dot-point {
  display: inline-block;
  margin: 0 2px;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  color: linear-gradient(120deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.12));
}

.header-title .dot-point.is-active {
  color: var(--accent-primary);
  animation: pulse-dot 2s infinite;
}

.header-title.is-pressing .dot-point {
  animation-duration: 0.4s;
}

.header-title .dot-point.blink-alert {
  animation: blink-red 0.9s ease-in-out;
}

.solaris .header-title {
  font-size: 2.25rem;
  margin-top: 1.5rem;
}

/* section styles */
.category-section {
  width: 95%;
  max-width: 1440px;
}

.section-title {
  font-size: 1.25rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #666;
  border-left: 3px solid var(--accent-primary);
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--divider-gradient-start), transparent);
  margin-left: 1.25rem;
}

@media (max-width: 1200px) {
  .category-section {
    max-width: 900px;
  }

  .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .category-section {
    max-width: 500px;
    margin-bottom: 40px;
  }

  .container {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .section-title {
    font-size: 1rem;
    letter-spacing: 2px;
  }
}

/* card styles */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: linear-gradient(145deg, var(--card-bg-gradient-start) 0%, var(--card-bg-gradient-end) 100%);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--card-border);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 3rem 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  background: linear-gradient(145deg, var(--card-bg-hover-start) 0%, var(--card-bg-hover-end) 100%);
  border-color: var(--card-border-hover);
}

/* card title */
.card__title {
  height: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  line-height: 1;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.5);
}

.nova .card__title,
.semi-nova .card__title {
  font-size: 2.5rem;
}

/* card subtitle */
.card__subtitle {
  height: 1rem;
  max-width: 100%;
  min-width: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

.solaris .card__subtitle,
.nova .card__subtitle {
  position: relative;
  color: transparent
}

.solaris .card__subtitle::after,
.nova .card__subtitle::after {
  content: "";
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  width: 100%;
  height: 1rem;
  opacity: 0.25;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.12));
  background-size: 200% 100%;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 4px 12px rgba(0, 0, 0, 0.08);
  animation: glass-skeleton 1.6s ease-in-out infinite;
}


.solaris .card:hover .card__subtitle,
.nova .card:hover .card__subtitle {
  display: block;
  color: var(--text-secondarya);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans KR", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

.solaris .card:hover .card__subtitle:after,
.nova .card:hover .card__subtitle:after {
  display: none;
}


/* card body */
.card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-grow: 1;
  min-width: 0;
}

.card__meta--url {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  height: 1.5rem;
  min-height: 1.5rem;
  max-height: 1.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  text-transform: lowercase;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-tertiary);
}

.solaris .card__meta--url {
  font-size: 1rem;
}

.nova .card__meta--url {
  font-size: 1.5rem;
}

.card__desc {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  min-height: 1.125rem;
  font-size: 0.85rem;
  line-height: 1.125rem;
  font-weight: 400;
  text-align: center;
  color: var(--text-muted);
}

.card__desc[data-lang="en"] {
  display: none;
}

.status-online {
  background-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary-glow);
  animation: pulse 2s infinite;
}

.status-offline {
  background-color: var(--accent-offline-red);
  box-shadow: 0 0 10px var(--accent-offline-red);
  animation: none;
}

.solaris .section-title {
  font-size: 1.25rem;
}

.nova .section-title {
  font-size: 1.75rem;
}

.solaris .card__desc[data-lang="ko"],
.nova .card__desc[data-lang="ko"] {
  display: none;
}

.solaris .card__desc[data-lang="ko"],
.nova .card__desc[data-lang="ko"] {
  display: none;
}

.solaris .card__desc[data-lang="en"] {
  display: block;
  margin: 0;
  font-size: 0.875rem;
}

.nova .card__desc[data-lang="en"] {
  display: block;
  margin: 0;
  font-size: 1.25rem;
}


/* card decor */
.card__decor-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.card__decor {
  display: inline-block;
  position: absolute;
  width: 1rem;
  height: 1rem;
  background: linear-gradient(135deg, var(--decor-gradient-start) 0%, var(--decor-gradient-end) 100%);
  border-radius: 50%;
  border: 1px solid var(--decor-border);
}

.card__decor--tl {
  top: 1rem;
  left: 1rem;
}

.card__decor--tr {
  top: 1rem;
  right: 1rem;
}

.card__decor--bl {
  bottom: 1rem;
  left: 1rem;
}

.card__decor--br {
  bottom: 1rem;
  right: 1rem;
}

.card__decor::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64%;
  height: 1.5px;
  border-radius: 4px;
  background: var(--decor-bar);
  transform: translate(-50%, -50%) rotate(var(--r, 0deg));
  transition: all 0.3s ease;
}

.card__decor.is-acting::before {
  transform: translate(-50%, -50%) rotate(calc(var(--r, 0deg) + 45deg));
  background: var(--decor-bar-active);
}

.is-acting::before {
  animation: bolt-spin-return 16s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}


/* keyframes */
@keyframes blink-red {

  0%,
  100% {
    color: currentColor;
    opacity: 1;
    text-shadow: none;
  }

  20%,
  60% {
    color: var(--accent-alert-redred);
    text-shadow: 0 0 6px var(--accent-alert-red-glow);
  }

  40%,
  80% {
    color: currentColor;
    text-shadow: none;
  }
}

header h1 .dot-point.pulse-once {
  animation: pulse-alert 0.5s ease-out !important;
}

@keyframes pulse-once {
  0% {
    transform: scale(1);
    opacity: 0.7;
    text-shadow: 0 0 6px rgba(0, 255, 136, 0.6);
  }

  40% {
    transform: scale(5);
    opacity: 1;
    text-shadow: 0 0 14px rgba(0, 255, 136, 1);
  }

  100% {
    transform: scale(1);
    opacity: 0.9;
    text-shadow: 0 0 8px rgba(0, 255, 136, 0.8);
  }
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.7);
  }

  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(0, 255, 136, 0);
  }

  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0);
  }
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 0.5;
    text-shadow: 0 0 8px rgba(0, 255, 136, 0.8);
  }

  50% {
    opacity: 1;
    text-shadow: 0 0 2px rgba(0, 255, 136, 0.2);
  }
}

@keyframes bolt-spin-return {
  0% {
    transform: translate(-50%, -50%) rotate(var(--r));
  }

  60% {
    transform: translate(-50%, -50%) rotate(calc(var(--r) + 1080deg));
  }

  70% {
    transform: translate(-50%, -50%) rotate(calc(var(--r) + 1080deg));
  }

  100% {
    transform: translate(-50%, -50%) rotate(var(--r));
  }
}

@keyframes glass-skeleton {
  0% {
    background-position: 0% 0;
  }

  50% {
    background-position: 100% 0;
  }

  100% {
    background-position: 0% 0;
  }
}

/* Theme Toggle */
.theme-toggle-wrapper {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1000;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: linear-gradient(145deg, var(--card-bg-gradient-start), var(--card-bg-gradient-end));
  border: 1px solid var(--card-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
  border-color: var(--card-border-hover);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.theme-icon {
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: transform 0.3s ease;
}

.theme-toggle-wrapper.is-open .theme-icon {
  transform: rotate(180deg);
}

.theme-options {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.75rem;
  background: linear-gradient(145deg, var(--card-bg-gradient-start), var(--card-bg-gradient-end));
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  min-width: 140px;
}

.theme-toggle-wrapper.is-open .theme-options {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--text-primary);
  border-bottom: 1px solid var(--card-border);
}

.theme-option:last-child {
  border-bottom: none;
}

.theme-option:hover {
  background: rgba(0, 255, 136, 0.08);
}

.theme-option.is-active {
  background: rgba(0, 255, 136, 0.12);
  color: var(--accent-primary);
}

.theme-option-icon {
  font-size: 1.25rem;
  transition: transform 0.2s ease;
}

.theme-option:hover .theme-option-icon {
  transform: scale(1.15);
}

.theme-option.is-active .theme-option-icon {
  animation: pulse-theme 2s infinite;
}

.theme-option-label {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

@keyframes pulse-theme {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

/* 모바일 대응 */
@media (max-width: 768px) {
  .theme-toggle-wrapper {
    top: 1.25rem;
    right: 1.25rem;
  }

  .theme-toggle-btn {
    width: 1.75rem;
    height: 1.75rem;
  }

  .theme-icon {
    font-size: 1.25rem;
  }
}