:root,
[data-theme="neutral"] {
  --page-bg: #eef1f6;
  --banner-bg-1: #1b2340;
  --banner-bg-2: #2c3a63;
  --banner-text: #ffffff;
  --banner-accent: #ffd23f;
  --tab-bg: #7c93b8;
  --tab-bg-hover: #6478a0;
  --tab-bg-active: #4f6690;
  --tab-text: #ffffff;
  --tab-text-active: #ffffff;
  --content-bg: #6c85af;
  --content-fg: #ffffff;
  --card-bg: #ffd23f;
  --card-bg-hover: #ffdb63;
  --card-border: #2b2f38;
  --text-dark: #21242c;
  --copy-btn-bg: rgba(255,255,255,0.55);
  --copy-btn-bg-hover: rgba(255,255,255,0.85);
  --success-color: #1a7a30;
  --toast-bg: #21242c;
  --toast-text: #ffffff;
  --focus-ring: #1b2340;
  --link-accent: #ffd23f;
}

[data-theme="light"] {
  --page-bg: #f7f8fb;
  --banner-bg-1: #3a63b0;
  --banner-bg-2: #6a97dd;
  --banner-text: #ffffff;
  --banner-accent: #fff1b8;
  --tab-bg: #dfe7f6;
  --tab-bg-hover: #c9d8f2;
  --tab-bg-active: #3a63b0;
  --tab-text: #22304a;
  --tab-text-active: #ffffff;
  --content-bg: #ffffff;
  --content-fg: #1f2430;
  --card-bg: #fff6dc;
  --card-bg-hover: #ffedb0;
  --card-border: #e4d8a8;
  --text-dark: #1f2430;
  --copy-btn-bg: rgba(0,0,0,0.05);
  --copy-btn-bg-hover: rgba(0,0,0,0.10);
  --success-color: #1a7a30;
  --toast-bg: #1f2430;
  --toast-text: #ffffff;
  --focus-ring: #3a63b0;
  --link-accent: #3a63b0;
}

[data-theme="dark"] {
  --page-bg: #12141c;
  --banner-bg-1: #0b0d16;
  --banner-bg-2: #1b2340;
  --banner-text: #f2f4f8;
  --banner-accent: #ffd23f;
  --tab-bg: #1f2636;
  --tab-bg-hover: #28304a;
  --tab-bg-active: #3a4666;
  --tab-text: #c3cbdb;
  --tab-text-active: #ffffff;
  --content-bg: #1a2030;
  --content-fg: #e8ebf2;
  --card-bg: #262f45;
  --card-bg-hover: #303a54;
  --card-border: #46536e;
  --text-dark: #e8ebf2;
  --copy-btn-bg: rgba(255,255,255,0.10);
  --copy-btn-bg-hover: rgba(255,255,255,0.18);
  --success-color: #3ddb75;
  --toast-bg: #3a4666;
  --toast-text: #ffffff;
  --focus-ring: #ffd23f;
  --link-accent: #ffd23f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page-bg);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text-dark);
  transition: background 0.2s ease, color 0.2s ease;
}

.banner {
  position: relative;
  width: 100%;
  display: block;
  text-align: center;
  background: linear-gradient(135deg, var(--banner-bg-1), var(--banner-bg-2));
  padding: 32px 16px;
  border-bottom: 4px solid var(--banner-accent);
  transition: background 0.2s ease;
}
.admin-link {
  position: absolute;
  top: 14px;
  right: 18px;
  color: var(--banner-accent);
  font-size: 13px;
  text-decoration: none;
  opacity: 0.85;
  border: 1px solid var(--banner-accent);
  padding: 5px 10px;
  border-radius: 5px;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.admin-link:hover {
  opacity: 1;
  background: rgba(255,255,255,0.12);
}
.banner h1 {
  margin: 0;
  color: var(--banner-text);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 1px;
}
.banner p {
  margin: 10px 0 0;
  color: var(--banner-accent);
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.theme-switcher {
  position: absolute;
  top: 14px;
  left: 18px;
  display: flex;
  border: 1px solid var(--banner-accent);
  border-radius: 5px;
  overflow: hidden;
}
.theme-btn {
  background: transparent;
  color: var(--banner-accent);
  border: none;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  opacity: 0.8;
  transition: background 0.15s ease, opacity 0.15s ease;
  border-right: 1px solid var(--banner-accent);
}
.theme-btn:last-child { border-right: none; }
.theme-btn:hover { opacity: 1; background: rgba(255,255,255,0.10); }
.theme-btn.active {
  opacity: 1;
  background: var(--banner-accent);
  color: var(--banner-bg-1);
  font-weight: 700;
}

.wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 0 40px;
}
.tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 3px solid var(--tab-bg-active);
}
.tab {
  flex: 1 1 auto;
  min-width: 120px;
  padding: 14px 10px;
  text-align: center;
  background: var(--tab-bg);
  color: var(--tab-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-right: 1px solid rgba(120,120,120,0.25);
  transition: background 0.15s ease, color 0.15s ease;
}
.tab:last-child { border-right: none; }
.tab:hover { background: var(--tab-bg-hover); }
.tab.active {
  background: var(--tab-bg-active);
  color: var(--tab-text-active);
}
.tab:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: -3px;
}
.content {
  background: var(--content-bg);
  padding: 24px;
  min-height: 300px;
  transition: background 0.2s ease;
}
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.template-card {
  position: relative;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 6px;
  padding: 16px 44px 16px 16px;
  min-height: 110px;
  display: flex;
  align-items: center;
  transition: background 0.15s ease;
}
.template-card:hover { background: var(--card-bg-hover); }
.template-text {
  white-space: pre-line;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--text-dark);
}
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  border: none;
  background: var(--copy-btn-bg);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-dark);
  transition: background 0.15s ease, transform 0.1s ease;
}
.copy-btn:hover { background: var(--copy-btn-bg-hover); }
.copy-btn:active { transform: scale(0.92); }
.copy-btn svg { width: 17px; height: 17px; pointer-events: none; stroke: currentColor; }
.copy-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}
.copy-btn.copied { color: var(--success-color); }
.empty-msg {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--content-fg);
  font-size: 15px;
  padding: 30px 10px;
}
.empty-msg a { color: var(--link-accent); }
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  background: var(--toast-bg);
  color: var(--toast-text);
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 100;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 720px) {
  .banner h1 { font-size: 22px; }
  .banner p { font-size: 11px; letter-spacing: 2px; }
  .theme-switcher {
    position: static;
    justify-content: center;
    margin-bottom: 12px;
  }
  .admin-link {
    position: static;
    display: inline-block;
    margin-bottom: 10px;
  }
  .template-grid { grid-template-columns: 1fr; }
  .tab { font-size: 13px; padding: 12px 6px; }
}