/* assets/css/style.css */

:root {
  --primary-bg: #f8f9fa;
  --primary-text: #212529;
  --card-bg: #fff;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.04);
  --ad-bg: #f6f8fa;
  --ad-border: #e3e6ea;
  --highlight-bg: #ffe066;
  --highlight-text: #212529;
}
body.dark-mode {
  --primary-bg: #181a1b;
  --primary-text: #f1f3f5;
  --card-bg: #23272b;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.18);
  --ad-bg: #23272b;
  --ad-border: #343a40;
  --highlight-bg: #ffd43b;
  --highlight-text: #181a1b;
}
body, .container-fluid {
  background: var(--primary-bg) !important;
  color: var(--primary-text) !important;
  transition: background 0.3s, color 0.3s;
}
.card-tool, .card, .ad-placeholder {
  background: var(--card-bg) !important;
  color: var(--primary-text) !important;
  box-shadow: var(--card-shadow);
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.ad-placeholder {
  background: var(--ad-bg) !important;
  border: 1px solid var(--ad-border) !important;
}
.btn, .form-control, .nav-link, .navbar, .navbar-light, .navbar-nav, .navbar-brand {
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.highlight {
  background: var(--highlight-bg);
  color: var(--highlight-text);
}
#tool-categories > .row {
  transition: opacity 0.3s;
}
#tool-categories > .row.fade-out {
  opacity: 0;
  pointer-events: none;
}
#tool-categories > .row.fade-in {
  opacity: 1;
  pointer-events: auto;
}

.site-logo {
  font-weight: bold;
  color: #007bff;
}

.card-tool {
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s, transform 0.2s;
  border: none;
}
.card-tool:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  transform: translateY(-4px) scale(1.02);
}
.card-title i {
  font-size: 1.3em;
  vertical-align: middle;
  color: #0d6efd;
}
.ad-placeholder {
  background: #f6f8fa;
  border: 1px solid #e3e6ea;
  color: #6c757d;
  text-align: center;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}
.ad-placeholder .text-muted {
  font-size: 0.95em;
  letter-spacing: 0.04em;
}
.highlight {
  background: #ffe066;
  color: #212529;
  border-radius: 0.3em;
  padding: 0 0.2em;
}
.nav-link.active {
  background: #e7f1ff !important;
  color: #0d6efd !important;
  border-radius: 0.5rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(13,110,253,0.06);
  transition: background 0.2s, color 0.2s;
}
body.dark-mode .nav-link.active {
  background: #22304a !important;
  color: #ffd43b !important;
  box-shadow: 0 2px 8px rgba(255,212,67,0.08);
}
.nav-link {
  transition: background 0.2s, color 0.2s;
}