/* Light / dark theme tokens + toggle */

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f5ef;
  --bg-mid: #e9efe6;
  --bg-end: #e2eadc;
  --bg2: #e5ece2;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --panel-soft: rgba(255, 255, 255, 0.78);
  --panel-grad-a: #ffffff;
  --panel-grad-b: #eef3ea;
  --line: rgba(28, 48, 36, 0.14);
  --text: #152018;
  --muted: #5c6f62;
  --accent: #4d7c16;
  --accent-fill: #c6f26d;
  --accent2: #1d8a70;
  --warn: #a87412;
  --btn-ink: #132010;
  --header-bg: rgba(242, 245, 239, 0.92);
  --nav-drawer: #f7faf5;
  --nav-overlay: rgba(22, 36, 28, 0.4);
  --modal-grad-a: #ffffff;
  --modal-grad-b: #f3f7f0;
  --modal-backdrop: rgba(24, 38, 30, 0.42);
  --code-bg: #152019;
  --code-text: #d7e6d4;
  --media-bg: #d8e2d4;
  --cookie-bg: rgba(255, 255, 255, 0.96);
  --shadow: rgba(22, 40, 28, 0.14);
  --brand-mark-bg: #152018;
}

html[data-theme="light"] body {
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(122, 209, 179, 0.22), transparent 55%),
    radial-gradient(700px 420px at -10% 20%, rgba(198, 242, 109, 0.28), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-mid) 45%, var(--bg-end));
}

/* Toggle control */
.theme-toggle {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.theme-toggle:hover {
  border-color: rgba(198, 242, 109, 0.45);
  background: rgba(198, 242, 109, 0.1);
  transform: translateY(-1px);
}
.theme-toggle:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 1px rgba(198, 242, 109, 0.45),
    0 0 18px rgba(198, 242, 109, 0.3);
}
.theme-toggle-icon {
  width: 18px;
  height: 18px;
  display: block;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 2v2M12 20v2M4.93 4.93l1.41 1.41M17.66 17.66l1.41 1.41M2 12h2M20 12h2M4.93 19.07l1.41-1.41M17.66 6.34l1.41-1.41'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3Cpath d='M12 2v2M12 20v2M4.93 4.93l1.41 1.41M17.66 17.66l1.41 1.41M2 12h2M20 12h2M4.93 19.07l1.41-1.41M17.66 6.34l1.41-1.41'/%3E%3C/svg%3E") center / contain no-repeat;
}
html[data-theme="light"] .theme-toggle-icon {
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 14.5A8.5 8.5 0 1 1 9.5 3 7 7 0 0 0 21 14.5z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 14.5A8.5 8.5 0 1 1 9.5 3 7 7 0 0 0 21 14.5z'/%3E%3C/svg%3E") center / contain no-repeat;
}

@media (max-width: 900px) {
  .theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 11px;
  }
}

/* Surfaces that were hardcoded dark */
.site-header {
  background: var(--header-bg);
  backdrop-filter: blur(10px);
}
.nav-toggle {
  background: var(--panel-soft);
}

@media (max-width: 900px) {
  .nav {
    background: var(--nav-drawer);
    border-left-color: var(--line);
    box-shadow: -20px 0 50px var(--shadow);
  }
  body.nav-open::before {
    background: var(--nav-overlay);
  }
  .nav a,
  .nav button {
    color: var(--text);
  }
  .nav a:hover,
  .nav button:hover:not(.nav-cta),
  .nav a[aria-current="page"] {
    color: var(--accent);
  }
}

.nav .nav-cta {
  color: var(--btn-ink);
  background: var(--accent-fill);
}
.nav .nav-cta:hover,
.nav .nav-cta:focus-visible {
  color: var(--btn-ink);
  background: #d7ff7a;
}

.modal-backdrop {
  background: var(--modal-backdrop);
}
.modal-panel {
  background: linear-gradient(165deg, var(--modal-grad-a), var(--modal-grad-b));
  box-shadow: 0 24px 80px var(--shadow);
}

.cookie-bar {
  background: var(--cookie-bg);
  box-shadow: 0 18px 50px var(--shadow);
}

.legal-shell {
  background: linear-gradient(165deg, var(--panel-grad-a), var(--panel-grad-b));
}

.free-card,
.mod-shell,
.case-shell {
  background: linear-gradient(165deg, var(--panel-grad-a), var(--panel-grad-b));
}

.code-block {
  background: var(--code-bg) !important;
  color: var(--code-text) !important;
}

html[data-theme="light"] .mod-paid-box {
  background: rgba(240, 195, 109, 0.12);
  border-color: rgba(168, 116, 18, 0.28);
}
html[data-theme="light"] .mod-paid-price {
  color: #8a5a08 !important;
}
html[data-theme="light"] .free-note {
  background: rgba(77, 124, 22, 0.08);
}

html[data-theme="light"] .hero-code {
  color: rgba(77, 124, 22, 0.32);
  text-shadow: none;
}
html[data-theme="light"] .hero-code::after {
  background: linear-gradient(
    180deg,
    rgba(242, 245, 239, 0.55) 0%,
    transparent 18%,
    transparent 70%,
    rgba(242, 245, 239, 0.75) 100%
  );
}
html[data-theme="light"] .feature-card,
html[data-theme="light"] .ai-chat,
html[data-theme="light"] .skill-card,
html[data-theme="light"] .seo-card,
html[data-theme="light"] .faq-item,
html[data-theme="light"] .stat,
html[data-theme="light"] .case {
  box-shadow: 0 10px 28px var(--shadow);
}

html[data-theme="light"] .ai-chat-bar,
html[data-theme="light"] .ai-chat-input {
  background: rgba(255, 255, 255, 0.7);
}

html[data-theme="light"] .ai-bubble-user {
  background: rgba(198, 242, 109, 0.22);
  border-color: rgba(77, 124, 22, 0.22);
}
html[data-theme="light"] .ai-bubble-ai {
  background: rgba(29, 138, 112, 0.1);
}

html[data-theme="light"] .card:hover,
html[data-theme="light"] .free-card:hover {
  box-shadow:
    0 0 0 1px rgba(77, 124, 22, 0.2),
    0 14px 36px var(--shadow);
}

html[data-theme="light"] .btn-main {
  background: var(--accent-fill);
  color: var(--btn-ink);
}

html[data-theme="light"] .filter.is-on,
html[data-theme="light"] .filter:hover {
  color: var(--btn-ink);
  background: var(--accent-fill);
  border-color: var(--accent-fill);
}

html[data-theme="light"] .ph {
  background:
    radial-gradient(circle at 30% 30%, rgba(198, 242, 109, 0.35), transparent 55%),
    var(--media-bg);
}

/* Forms in light theme */
html[data-theme="light"] .modal .form input,
html[data-theme="light"] .modal .form select,
html[data-theme="light"] .modal .form textarea {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}

html[data-theme="light"] .ring .track {
  stroke: rgba(28, 48, 36, 0.12);
}
html[data-theme="light"] .ring .prog {
  stroke: #5a9e1a;
}
html[data-theme="light"] .skill.is-extra .ring .prog {
  stroke: #1d8a70;
}
html[data-theme="light"] .seo-contacts a.primary {
  color: var(--btn-ink);
}