@import url('https://fonts.googleapis.com/css2?family=Syne:wght@500;600;700;800&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --bg-1: #06090f;
  --bg-2: #0d1321;
  --bg-3: #101b2c;
  --surface-1: rgba(12, 17, 28, 0.78);
  --surface-2: rgba(17, 26, 40, 0.82);
  --line: rgba(143, 167, 198, 0.2);
  --line-strong: rgba(154, 190, 232, 0.35);
  --text-main: #e7edf8;
  --text-muted: #9caaca;
  --heading: #f7fbff;
  --accent: #39d0c3;
  --accent-2: #8fc6ff;
  --accent-glow: rgba(57, 208, 195, 0.28);
  --warning: #f4b860;
  --focus: #ffd27f;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

body.theme-page {
  margin: 0;
  min-height: 100vh;
  font-family: 'Manrope', sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 12% 10%, rgba(57, 208, 195, 0.18), transparent 30%),
    radial-gradient(circle at 86% 24%, rgba(143, 198, 255, 0.15), transparent 25%),
    radial-gradient(circle at 52% 120%, rgba(244, 184, 96, 0.12), transparent 34%),
    linear-gradient(150deg, var(--bg-1) 0%, var(--bg-2) 45%, var(--bg-3) 100%);
  background-attachment: fixed;
  animation: page-enter 0.5s ease-out;
}

body.theme-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 42%, black 36%, transparent 100%);
}

body.theme-page > .fixed.inset-0.-z-10,
body.theme-page > .fixed.inset-0.-z-10.overflow-hidden {
  display: none !important;
}

body.theme-page h1,
body.theme-page h2,
body.theme-page h3,
body.theme-page h4 {
  font-family: 'Syne', sans-serif;
  color: var(--heading) !important;
  letter-spacing: -0.015em;
}

body.theme-page p,
body.theme-page .subtitle,
body.theme-page .text-gray-200,
body.theme-page .text-gray-300,
body.theme-page .text-gray-400,
body.theme-page .text-gray-500,
body.theme-page .text-gray-600,
body.theme-page .text-gray-700 {
  color: var(--text-muted) !important;
}

body.theme-page header {
  border-bottom: 1px solid var(--line) !important;
  background: rgba(8, 12, 20, 0.72) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

body.theme-page .container,
body.theme-page .wrapper,
body.theme-page .card,
body.theme-page .box,
body.theme-page .game-container,
body.theme-page .calculator,
body.theme-page .infoCard,
body.theme-page [class*='bg-[#0f172a]'],
body.theme-page [class*='bg-black/75'],
body.theme-page [class*='bg-gradient-to-br from-blue-900/40'] {
  border: 1px solid var(--line) !important;
  border-radius: 22px !important;
  background: linear-gradient(165deg, var(--surface-1) 0%, var(--surface-2) 100%) !important;
  box-shadow: var(--shadow) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

body.theme-page .card,
body.theme-page .infoCard,
body.theme-page .skill {
  position: relative;
  overflow: hidden;
}

body.theme-page .card::before,
body.theme-page .infoCard::before,
body.theme-page .skill::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(143, 198, 255, 0.08) 40%, transparent 70%);
  transform: translateX(-110%);
  transition: transform 0.7s ease;
  pointer-events: none;
}

body.theme-page .card:hover::before,
body.theme-page .infoCard:hover::before,
body.theme-page .skill:hover::before {
  transform: translateX(110%);
}

body.theme-page button,
body.theme-page .btn,
body.theme-page .generate-btn,
body.theme-page .calculate,
body.theme-page .restart,
body.theme-page .eq,
body.theme-page .op {
  border-radius: 14px !important;
  border: 1px solid rgba(57, 208, 195, 0.42) !important;
  background: linear-gradient(135deg, rgba(57, 208, 195, 0.28), rgba(95, 129, 255, 0.25)) !important;
  color: #ecf8ff !important;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

body.theme-page button:hover,
body.theme-page .btn:hover,
body.theme-page .generate-btn:hover,
body.theme-page .calculate:hover,
body.theme-page .restart:hover,
body.theme-page .eq:hover,
body.theme-page .op:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px var(--accent-glow);
  filter: brightness(1.08);
}

body.theme-page button:focus-visible,
body.theme-page .btn:focus-visible,
body.theme-page input:focus-visible,
body.theme-page textarea:focus-visible,
body.theme-page select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

body.theme-page input,
body.theme-page textarea,
body.theme-page select,
body.theme-page .input {
  border-radius: 14px !important;
  border: 1px solid var(--line-strong) !important;
  background: rgba(5, 10, 20, 0.68) !important;
  color: var(--text-main) !important;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
}

body.theme-page input::placeholder,
body.theme-page textarea::placeholder {
  color: #7e8dad;
}

body.theme-page a {
  color: #9cd9ff !important;
}

body.theme-page a:hover {
  color: #d0ecff !important;
}

body.theme-page a.back,
body.theme-page a.back-btn,
body.theme-page a[href='index.html'],
body.theme-page a[href='./index.html'] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(143, 198, 255, 0.38);
  background: rgba(143, 198, 255, 0.12);
  color: #dff2ff !important;
  text-decoration: none;
  font-weight: 600;
}

body.theme-page a.back:hover,
body.theme-page a.back-btn:hover,
body.theme-page a[href='index.html']:hover,
body.theme-page a[href='./index.html']:hover {
  background: rgba(143, 198, 255, 0.2);
}

body.theme-page .text-blue-400,
body.theme-page .text-blue-600,
body.theme-page .hover\:text-blue-300:hover,
body.theme-page .hover\:text-blue-400:hover {
  color: var(--accent) !important;
}

body.theme-page .bg-blue-600,
body.theme-page .hover\:bg-blue-700:hover,
body.theme-page .from-blue-500,
body.theme-page .to-purple-600 {
  background: linear-gradient(135deg, #2ec8bd, #5c86ff) !important;
  color: #eaf9ff !important;
}

body.theme-page .border-white\/5,
body.theme-page .border-white\/10,
body.theme-page .border-cyan-500\/20 {
  border-color: var(--line) !important;
}

body.theme-page .skill,
body.theme-page .infoCard,
body.theme-page .tag,
body.theme-page .board,
body.theme-page .cell,
body.theme-page .progress-circle,
body.theme-page .circle {
  border-color: var(--line-strong) !important;
}

body.theme-page .card,
body.theme-page .skill,
body.theme-page .infoCard,
body.theme-page .wrapper > * {
  animation: rise-in 0.45s ease both;
}

body.theme-page .card:nth-child(2),
body.theme-page .skill:nth-child(2) {
  animation-delay: 0.05s;
}

body.theme-page .card:nth-child(3),
body.theme-page .skill:nth-child(3) {
  animation-delay: 0.1s;
}

body.theme-page footer {
  border-color: var(--line) !important;
  color: #90a0c1 !important;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 768px) {
  body.theme-page {
    padding-inline: 10px;
  }

  body.theme-page .container,
  body.theme-page .wrapper,
  body.theme-page .card,
  body.theme-page .box,
  body.theme-page .game-container,
  body.theme-page .calculator,
  body.theme-page .infoCard {
    border-radius: 18px !important;
  }
}