/* ===== CSS VARIABLES ===== */
:root {
  --transition: 0.3s ease;
}

[data-theme="dark"] {
  --bg-primary: #100e14;
  --bg-secondary: #18151f;
  --bg-card: #1f1b28;
  --bg-card-hover: #272233;
  --bg-nav: rgba(16, 14, 20, 0.88);
  --bg-danger: rgba(239, 68, 68, 0.12);
  --bg-glossary: rgba(180, 120, 200, 0.08);
  --bg-code: rgba(180, 120, 200, 0.15);
  --border: rgba(255, 255, 255, 0.07);
  --border-danger: rgba(239, 68, 68, 0.35);
  --border-glossary: rgba(200, 140, 210, 0.3);
  --text-primary: #f5f0fa;
  --text-secondary: #b8a8cc;
  --text-muted: #7a6a8a;
  --accent: #c084e0;
  --accent-hover: #d4a0f0;
  --accent-glow: rgba(192, 132, 224, 0.28);
  --danger: #f87171;
  --danger-icon: #ef4444;
  --hero-gradient: linear-gradient(135deg, #1a0e22 0%, #200d2a 40%, #1a1030 100%);
  --blur-color-1: rgba(255, 182, 213, 0.12);
  --blur-color-2: rgba(180, 120, 220, 0.13);
  --nav-btn-active-bg: rgba(192, 132, 224, 0.15);
  --nav-btn-active-text: #d4a0f0;
  --penalty-bg: rgba(192, 132, 224, 0.07);
  --penalty-border: rgba(192, 132, 224, 0.2);
  --scrollbar-thumb: #3a2a4a;
  --scrollbar-track: #1a1520;
  --sakura: rgba(255, 183, 213, 0.18);
  --lavender: rgba(192, 132, 224, 0.18);
  --invite-bg: linear-gradient(135deg, #e879a0, #c084e0);
  --invite-bg-nav: linear-gradient(135deg, #c0547a, #9055b5);
  --fd-bg: #150f1e;
  --fd-card-bg: #1f1b2c;
  --fd-card-border: rgba(200, 140, 210, 0.18);
  --footer-bg: #0d0a12;
  --footer-border: rgba(200, 140, 210, 0.1);
  --coop-card-bg: #1f1b28;
  --coop-card-border: rgba(200, 140, 210, 0.2);
}

[data-theme="light"] {
  --bg-primary: #fdf5fa;
  --bg-secondary: #f7ecf6;
  --bg-card: #ffffff;
  --bg-card-hover: #fce8f8;
  --bg-nav: rgba(253, 245, 250, 0.9);
  --bg-danger: rgba(239, 68, 68, 0.07);
  --bg-glossary: rgba(180, 100, 200, 0.07);
  --bg-code: rgba(180, 100, 200, 0.1);
  --border: rgba(0, 0, 0, 0.07);
  --border-danger: rgba(239, 68, 68, 0.3);
  --border-glossary: rgba(180, 100, 200, 0.25);
  --text-primary: #1e0a2e;
  --text-secondary: #5a3a6a;
  --text-muted: #9a7aaa;
  --accent: #a040c8;
  --accent-hover: #8030b0;
  --accent-glow: rgba(160, 64, 200, 0.2);
  --danger: #dc2626;
  --danger-icon: #ef4444;
  --hero-gradient: linear-gradient(135deg, #ffe0f0 0%, #f0d8ff 50%, #ffd6f0 100%);
  --blur-color-1: rgba(255, 150, 200, 0.25);
  --blur-color-2: rgba(200, 130, 240, 0.2);
  --nav-btn-active-bg: rgba(160, 64, 200, 0.1);
  --nav-btn-active-text: #a040c8;
  --penalty-bg: rgba(160, 64, 200, 0.05);
  --penalty-border: rgba(160, 64, 200, 0.2);
  --scrollbar-thumb: #d8b0e8;
  --scrollbar-track: #f0e0f8;
  --sakura: rgba(255, 160, 190, 0.22);
  --lavender: rgba(190, 120, 230, 0.15);
  --invite-bg: linear-gradient(135deg, #e84d8a, #a040c8);
  --invite-bg-nav: linear-gradient(135deg, #d04070, #8030b0);
  --fd-bg: #f8eeff;
  --fd-card-bg: #ffffff;
  --fd-card-border: rgba(180, 100, 200, 0.2);
  --footer-bg: #f0e0f5;
  --footer-border: rgba(180, 100, 200, 0.15);
  --coop-card-bg: #ffffff;
  --coop-card-border: rgba(180, 100, 200, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans TC', 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
  min-height: 100vh;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 99px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 1.5rem;
  height: 64px;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.855rem;
  font-weight: 500;
  padding: 0.42rem 0.9rem;
  border-radius: 99px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-btn:hover {
  background: var(--nav-btn-active-bg);
  color: var(--nav-btn-active-text);
  border-color: var(--border-glossary);
}

.nav-btn.active {
  background: var(--nav-btn-active-bg);
  color: var(--nav-btn-active-text);
  border-color: var(--border-glossary);
}

/* Invite button in navbar */
.invite-btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--invite-bg-nav);
  color: #fff;
  font-family: inherit;
  font-size: 0.825rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  box-shadow: 0 2px 12px rgba(192, 132, 224, 0.3);
  flex-shrink: 0;
}

.invite-btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(192, 132, 224, 0.5);
  filter: brightness(1.12);
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  width: 38px;
  height: 38px;
  border-radius: 99px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ===== HAMBURGER BUTTON ===== */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
  padding: 0;
}

.hamburger-btn span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger-btn:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.hamburger-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.open span:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  width: 100%;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem 0 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-nav);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .nav-btn {
  width: 100%;
  text-align: left;
  border-radius: 10px;
  padding: 0.6rem 1rem;
}

.mobile-invite {
  margin-top: 0.25rem;
  align-self: flex-start;
}

/* ===== PAGE SYSTEM ===== */
.page {
  display: none;
  min-height: 100vh;
  padding-top: 64px;
}

.page.active {
  display: block;
}

/* ===== SAKURA PETALS ===== */
.sakura-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.petal {
  position: absolute;
  width: 12px;
  height: 10px;
  border-radius: 50% 0 50% 0;
  opacity: 0;
  animation: sakura-fall linear infinite;
}

.petal:nth-child(1)  { background: rgba(255,183,213,0.55); left: 8%;  animation-duration: 9s;  animation-delay: 0s;   top: -30px; }
.petal:nth-child(2)  { background: rgba(220,160,240,0.5);  left: 18%; animation-duration: 11s; animation-delay: 1.5s; top: -30px; }
.petal:nth-child(3)  { background: rgba(255,200,225,0.6);  left: 28%; animation-duration: 8s;  animation-delay: 3s;   top: -30px; }
.petal:nth-child(4)  { background: rgba(200,140,230,0.45); left: 38%; animation-duration: 12s; animation-delay: 0.8s; top: -30px; }
.petal:nth-child(5)  { background: rgba(255,170,210,0.55); left: 48%; animation-duration: 10s; animation-delay: 2.5s; top: -30px; }
.petal:nth-child(6)  { background: rgba(230,150,245,0.5);  left: 58%; animation-duration: 9.5s;animation-delay: 4s;   top: -30px; }
.petal:nth-child(7)  { background: rgba(255,190,220,0.6);  left: 65%; animation-duration: 11s; animation-delay: 1s;   top: -30px; }
.petal:nth-child(8)  { background: rgba(210,130,240,0.45); left: 73%; animation-duration: 8.5s;animation-delay: 3.5s; top: -30px; }
.petal:nth-child(9)  { background: rgba(255,175,215,0.55); left: 82%; animation-duration: 10s; animation-delay: 0.3s; top: -30px; }
.petal:nth-child(10) { background: rgba(225,145,238,0.5);  left: 90%; animation-duration: 12s; animation-delay: 2s;   top: -30px; }
.petal:nth-child(11) { background: rgba(255,200,230,0.6);  left: 12%; animation-duration: 9s;  animation-delay: 5s;   top: -30px; }
.petal:nth-child(12) { background: rgba(200,150,235,0.45); left: 55%; animation-duration: 11s; animation-delay: 6s;   top: -30px; }

@keyframes sakura-fall {
  0%   { transform: translateY(0) rotate(0deg) translateX(0); opacity: 0; }
  10%  { opacity: 0.8; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(100vh) rotate(360deg) translateX(60px); opacity: 0; }
}

/* ===== HOME PAGE ===== */
.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--hero-gradient);
  overflow: hidden;
}

.hero-bg-blur {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg-blur::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 15%;
  width: 420px;
  height: 420px;
  background: var(--blur-color-1);
  border-radius: 50%;
  filter: blur(90px);
}

.hero-bg-blur::after {
  content: '';
  position: absolute;
  bottom: 20%;
  right: 15%;
  width: 360px;
  height: 360px;
  background: var(--blur-color-2);
  border-radius: 50%;
  filter: blur(90px);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 1.5rem;
  max-width: 1000px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background: var(--accent-glow);
  border: 1px solid var(--border-glossary);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero-title-sub {
  color: var(--accent);
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.4rem 1rem;
  transition: all var(--transition);
  cursor: default;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glossary);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.feature-icon {
  font-size: 1.9rem;
  margin-bottom: 0.65rem;
}

.feature-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.feature-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.8rem;
  border-radius: 99px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.02em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Big invite button with pulse */
.cta-btn.primary.invite-pulse {
  background: var(--invite-bg);
  color: #fff;
  font-size: 1.05rem;
  padding: 0.85rem 2.2rem;
  box-shadow: 0 4px 24px rgba(192, 132, 224, 0.45);
  position: relative;
}

.cta-btn.primary.invite-pulse::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 99px;
  background: var(--invite-bg);
  opacity: 0;
  animation: invite-pulse 2.5s ease-out infinite;
}

@keyframes invite-pulse {
  0%   { transform: scale(1);    opacity: 0.5; }
  100% { transform: scale(1.18); opacity: 0; }
}

.cta-btn.primary.invite-pulse:hover {
  box-shadow: 0 6px 36px rgba(192, 132, 224, 0.65);
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.cta-btn.primary {
  background: var(--accent);
  color: #fff;
}

.cta-btn.primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-2px);
}

.cta-btn.secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.cta-btn.secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== FEATURES DETAIL SECTION ===== */
.features-detail {
  background: var(--fd-bg);
  padding: 5rem 1.5rem;
}

.features-detail-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.fd-header {
  text-align: center;
  margin-bottom: 3rem;
}

.fd-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.fd-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.fd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.fd-card {
  background: var(--fd-card-bg);
  border: 1px solid var(--fd-card-border);
  border-radius: 18px;
  padding: 1.75rem 1.5rem;
  transition: all var(--transition);
}

.fd-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-3px);
}

.fd-card-icon {
  font-size: 2.2rem;
  margin-bottom: 0.85rem;
}

.fd-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.fd-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.fd-card-desc code {
  background: var(--bg-code);
  color: var(--accent);
  font-size: 0.82em;
  padding: 0.12em 0.45em;
  border-radius: 6px;
  font-family: 'Inter', monospace;
}

/* ===== RULES PAGE ===== */
.rules-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.rules-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.rules-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.rules-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.rules-meta {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.meta-tag {
  background: var(--bg-code);
  border: 1px solid var(--border-glossary);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
}

.rules-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.rules-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color var(--transition), background var(--transition);
}

.rules-section:hover {
  border-color: var(--border-glossary);
}

.rules-section.appendix {
  border-left: 3px solid var(--accent);
}

.section-header-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.article-number {
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  white-space: nowrap;
  flex-shrink: 0;
}

.article-number.appendix-tag {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-body p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.section-body p:last-child {
  margin-bottom: 0;
}

.danger-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-danger);
  border: 1px solid var(--border-danger);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--danger);
  line-height: 1.6;
}

.danger-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* ===== SUBSECTION — unified spacing ===== */
.subsection {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.subsection:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.subsection-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.subsection-intro {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

/* ===== RULES LIST — inline number + text layout ===== */
.rules-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.rules-list + .rules-list {
  margin-top: 0.75rem;
}

.rules-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  line-height: 1.65;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.rule-num {
  background: var(--bg-code);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.18rem 0.55rem;
  border-radius: 99px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 0.22rem;
  font-family: 'Inter', monospace;
}

/* rule text sits inline next to the rule-num badge */
.rule-text {
  flex: 1;
}

.sub-list {
  list-style-type: disc;
  margin-top: 0.5rem;
  margin-left: 1rem;
  padding-left: 1rem;
}

.sub-list li {
  display: list-item;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  gap: 0;
}

code {
  background: var(--bg-code);
  color: var(--accent);
  font-size: 0.85em;
  padding: 0.15em 0.5em;
  border-radius: 6px;
  font-family: 'Inter', monospace;
}

.glossary-block {
  margin-top: 1.25rem;
  background: var(--bg-glossary);
  border: 1px solid var(--border-glossary);
  border-radius: 10px;
  overflow: hidden;
}

.glossary-block summary {
  padding: 0.75rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background var(--transition);
}

.glossary-block summary::-webkit-details-marker { display: none; }

.glossary-block summary::before {
  content: '▶';
  font-size: 0.65rem;
  transition: transform var(--transition);
}

.glossary-block[open] summary::before {
  transform: rotate(90deg);
}

.glossary-block summary:hover {
  background: var(--bg-card-hover);
}

.glossary-list {
  list-style: none;
  padding: 0.75rem 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-top: 1px solid var(--border-glossary);
}

.glossary-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.glossary-list a {
  color: var(--accent);
  text-decoration: none;
}

.glossary-list a:hover {
  text-decoration: underline;
}

.penalty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.penalty-item {
  background: var(--penalty-bg);
  border: 1px solid var(--penalty-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.penalty-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.penalty-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== COOPERATE PAGE ===== */
.coop-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.coop-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.coop-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.coop-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.coop-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.coop-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.coop-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.coop-error {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.coop-card {
  background: var(--coop-card-bg);
  border: 1px solid var(--coop-card-border);
  border-radius: 20px;
  padding: 1.75rem 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: all var(--transition);
}

.coop-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 28px var(--accent-glow);
  transform: translateY(-2px);
}

.coop-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--border-glossary);
}

.coop-avatar-fallback {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-code);
  border: 2px solid var(--border-glossary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.coop-body {
  flex: 1;
  min-width: 0;
}

.coop-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.coop-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  white-space: pre-line;
  margin-bottom: 1.25rem;
}

.coop-desc h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0.75rem 0 0.4rem;
}

.coop-desc li {
  margin-left: 1rem;
  list-style: disc;
}

.coop-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.coop-invite-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #5865F2;
  color: #fff;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1.3rem;
  border-radius: 99px;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.coop-invite-btn:hover {
  background: #4752c4;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(88, 101, 242, 0.4);
}

/* ===== CONTACT PAGE ===== */
.contact-container {
  min-height: calc(100vh - 64px - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3.5rem 3rem;
  text-align: center;
  max-width: 480px;
  width: 100%;
  transition: border-color var(--transition), background var(--transition);
}

.contact-icon {
  font-size: 3.5rem;
  margin-bottom: 1.25rem;
}

.contact-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.discord-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #5865F2;
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 2.2rem;
  border-radius: 99px;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  letter-spacing: 0.02em;
}

.discord-btn:hover {
  background: #4752c4;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(88, 101, 242, 0.4);
}

.discord-logo {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.contact-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
}

/* ===== SITE FOOTER ===== */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  padding: 1.75rem 2rem;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 1.5rem;
}

/* Left column: Discord link + born counter */
.footer-left {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

.footer-discord-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #5865F2;
  color: #fff;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 1rem;
  border-radius: 99px;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.footer-discord-btn:hover {
  background: #4752c4;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(88, 101, 242, 0.4);
}

.footer-born {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.footer-born-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-born-counter {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  font-family: 'Inter', monospace;
  letter-spacing: 0.02em;
}

/* Center column: copyright */
.footer-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Right column: legal links stacked vertically */
.footer-right {
  display: flex;
  justify-content: flex-end;
}

.footer-legal {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.footer-legal-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.15rem;
}

.footer-legal a {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .coop-card {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .footer-right {
    justify-content: flex-start;
  }

  .footer-legal {
    align-items: flex-start;
  }

  .footer-center {
    align-items: flex-start;
  }
}

/* ===== MOBILE NAV (hamburger breakpoint) ===== */
@media (max-width: 720px) {
  .navbar {
    height: auto;
    min-height: 64px;
    padding: 0 1rem;
    flex-wrap: wrap;
    align-items: center;
  }

  /* Hide desktop nav links */
  #nav-links-desktop {
    display: none;
  }

  /* Hide desktop invite btn */
  .nav-right .invite-btn-nav {
    display: none;
  }

  /* Show hamburger */
  .hamburger-btn {
    display: flex;
  }

  /* Mobile menu wraps full width below navbar items */
  .mobile-menu {
    width: 100%;
    flex-basis: 100%;
  }

  /* Push page content down when menu is open (extra padding) */
  .page {
    padding-top: 64px;
  }
}

@media (max-width: 640px) {
  .navbar {
    padding: 0 0.85rem;
  }

  .nav-brand {
    font-size: 0.9rem;
  }

  .rules-section {
    padding: 1.25rem;
  }

  .contact-card {
    padding: 2.5rem 1.5rem;
  }

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

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

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

/* ===== HERO STATS STRIP ===== */
.hero-stats {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 2rem 0 2rem;
}

.hero-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem 1.4rem;
  min-width: 120px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.hero-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--accent-glow);
  border-color: var(--accent);
}

.hero-stat-icon {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.hero-stat-value {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===== STATUS PAGE ===== */
.status-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 6rem 1.5rem 3rem;
}

.status-header {
  margin-bottom: 2.5rem;
}

.status-title-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.status-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.status-badge-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}
.status-dot.online  { background: #4ade80; box-shadow: 0 0 8px rgba(74,222,128,0.6); }
.status-dot.offline { background: #f87171; box-shadow: 0 0 8px rgba(248,113,113,0.6); }

.status-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.status-meta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.status-meta-item {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.status-refresh-btn {
  font-size: 0.82rem;
  color: var(--accent);
  cursor: pointer;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  transition: background var(--transition);
  user-select: none;
}
.status-refresh-btn:hover {
  background: var(--accent-glow);
}

.status-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 0;
  color: var(--text-muted);
}

.status-error {
  display: none;
  align-items: center;
  gap: 0.8rem;
  background: var(--bg-danger);
  border: 1px solid var(--border-danger);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  color: var(--danger);
  font-size: 0.9rem;
}

.status-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.status-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.5rem 1.6rem;
}

.status-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

/* Bot info card */
.status-card-group {}

.status-info-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.status-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
  flex-shrink: 0;
}

.status-info-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.status-info-id {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  font-family: monospace;
}

/* Tiles */
.status-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.status-tile {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 0.8rem;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.status-tile:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.status-tile-icon { font-size: 1.3rem; margin-bottom: 0.35rem; }

.status-tile-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.status-tile-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Rows */
.status-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.status-row:last-child { border-bottom: none; }

.status-row-label { color: var(--text-secondary); }
.status-row-val   { color: var(--text-primary); font-weight: 600; font-family: monospace; }

@media (max-width: 600px) {
  .status-tiles {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    gap: 0.7rem;
  }
  .hero-stat-card {
    min-width: 90px;
    padding: 0.8rem 1rem;
  }
  .hero-stat-value { font-size: 1.25rem; }
}