/* ==========================================================================
   ToolsHub theme — derived from LineWeb's design tokens (Mitr/Poppins,
   soft colored-shadow cards, 2rem radius), reshaped into a WordPress-style
   site layout: header + nav, hero, widgetized content, footer widget areas.
   ========================================================================== */

:root {
  --color-primary: #6C9BCF;
  --color-primary-dark: #517cad;
  --color-danger: #FF0060;
  --color-success: #1B9C85;
  --color-warning: #F7D060;
  --color-white: #ffffff;
  --color-info-dark: #7d8da1;
  --color-dark: #363949;
  --color-dark-variant: #677483;
  --color-light: rgba(132, 139, 200, 0.18);
  --color-background: #f6f6f9;
  --color-import: #6f42c1;
  --chrome-dark: #363949; /* fixed dark bar color (topbar/footer) — does NOT flip in dark mode */

  --card-border-radius: 2rem;
  --border-radius-1: 0.4rem;
  --border-radius-2: 1.2rem;
  --box-shadow: 0 2rem 3rem var(--color-light);

  --container-width: 1180px;
}

html.dark-mode {
  --color-background: #0f172a;
  --color-white: #1e293b;
  --color-light: rgba(148, 163, 184, 0.14);
  --color-dark: #f1f5f9;
  --color-dark-variant: #94a3b8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: 'Mitr', 'Poppins', sans-serif;
  background: var(--color-background);
  color: var(--color-dark);
  font-size: 0.92rem;
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 1.4rem; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.3; }
h1 { font-size: 2.1rem; font-weight: 700; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.05rem; }

.material-icons-sharp { vertical-align: middle; font-size: 1.2rem; }

/* ---------- Header / nav (WordPress-style masthead) ---------- */
.site-header {
  background: var(--color-white);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.6rem;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand .logo-badge {
  width: 2.6rem; height: 2.6rem;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-import));
  border-radius: var(--border-radius-2);
  color: #fff; font-size: 1.3rem;
}
.brand .site-title { font-size: 1.15rem; font-weight: 700; color: var(--color-dark); }
.brand .site-tagline { font-size: 0.7rem; color: var(--color-dark-variant); }

.main-nav ul { display: flex; gap: 0.4rem; align-items: center; }
.main-nav a {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--border-radius-1);
  color: var(--color-dark-variant);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--color-light);
  color: var(--color-primary-dark);
}
.theme-toggle {
  width: 2.4rem; height: 2.4rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-background);
  color: var(--color-dark-variant);
  border: none; cursor: pointer;
  margin-left: 0.6rem;
}
.theme-toggle:hover { color: var(--color-primary); }

.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--color-dark); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  padding: 3.2rem 0 2.6rem;
  text-align: center;
}
.hero .eyebrow {
  display: inline-block;
  background: var(--color-light);
  color: var(--color-primary-dark);
  padding: 0.3rem 0.9rem;
  border-radius: var(--border-radius-1);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.hero h1 { margin-bottom: 0.8rem; }
.hero p { color: var(--color-dark-variant); max-width: 640px; margin: 0 auto; }

/* ---------- Cards / widgets ---------- */
.widget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
  padding: 1rem 0 3rem;
}
.tool-card {
  background: var(--color-white);
  border-radius: var(--card-border-radius);
  padding: 1.8rem;
  box-shadow: var(--box-shadow);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.tool-card:hover { box-shadow: none; transform: translateY(-3px); border: 1px solid var(--color-light); }
.tool-card .icon-wrap {
  width: 3.4rem; height: 3.4rem;
  border-radius: var(--border-radius-2);
  display: grid; place-items: center;
  font-size: 1.6rem;
  color: #fff;
}
.tool-card .icon-wrap.tone-primary { background: var(--color-primary); }
.tool-card .icon-wrap.tone-success { background: var(--color-success); }
.tool-card .icon-wrap.tone-import { background: var(--color-import); }
.tool-card p { color: var(--color-dark-variant); font-size: 0.85rem; flex: 1; }
.tool-card .badge-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.28rem 0.6rem;
  border-radius: var(--border-radius-1);
  font-size: 0.72rem;
  font-weight: 500;
}
.badge.soft-success { background: rgba(27,156,133,0.1); color: var(--color-success); }
.badge.soft-primary { background: rgba(108,155,207,0.14); color: var(--color-primary-dark); }
.badge.soft-warning { background: rgba(247,208,96,0.18); color: #a8790a; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--border-radius-1);
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-light); }
.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-danger { background: transparent; color: var(--color-danger); }
.btn-danger:hover { background: rgba(255,0,96,0.08); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { width: 100%; }

/* ---------- Tool workspace panel ---------- */
.page-head { padding: 2.2rem 0 1.4rem; }
.page-head .crumb { font-size: 0.78rem; color: var(--color-dark-variant); margin-bottom: 0.5rem; }
.page-head .crumb a:hover { color: var(--color-primary); }

.panel {
  background: var(--color-white);
  border-radius: var(--card-border-radius);
  box-shadow: var(--box-shadow);
  padding: 1.8rem;
  margin-bottom: 3rem;
}
@media (max-width: 768px) { .panel { border-radius: 1.2rem; padding: 1.2rem; } }

.dropzone {
  border: 2px dashed var(--color-light);
  border-radius: var(--border-radius-2);
  padding: 2.2rem 1.4rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--color-primary); background: var(--color-light); }
.dropzone .material-icons-sharp { font-size: 2.4rem; color: var(--color-primary); margin-bottom: 0.5rem; }
.dropzone small { color: var(--color-dark-variant); }

.file-list { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.2rem; }
.file-row {
  display: flex; align-items: center; gap: 0.8rem;
  background: var(--color-background);
  border-radius: var(--border-radius-1);
  padding: 0.6rem 0.8rem;
}
html.dark-mode .file-row { background: rgba(255,255,255,0.04); }
.file-row .file-icon { color: var(--color-primary); }
.file-row .file-name { flex: 1; font-size: 0.82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-row .file-size { font-size: 0.72rem; color: var(--color-dark-variant); }
.file-row .file-actions { display: flex; gap: 0.2rem; }
.icon-btn {
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  border: none; background: transparent;
  border-radius: 50%;
  color: var(--color-dark-variant);
  cursor: pointer;
}
.icon-btn:hover { background: var(--color-light); color: var(--color-primary-dark); }
.icon-btn.danger:hover { background: rgba(255,0,96,0.1); color: var(--color-danger); }

.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--color-dark); }
.form-group .hint { font-size: 0.72rem; color: var(--color-dark-variant); margin-top: 0.35rem; }
.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--border-radius-1);
  border: 1.5px solid var(--color-light);
  background: var(--color-background);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--color-dark);
}
html.dark-mode .form-control { background: rgba(255,255,255,0.04); }
.form-control:focus { outline: none; border-color: var(--color-primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.checkbox-row { display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; }

/* ---------- Custom themed dropdown (replaces native <select> popup) ---------- */
.cs-wrap { position: relative; }
.cs-native { position: absolute; inset: 0; opacity: 0; pointer-events: none; }
.cs-trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--border-radius-1);
  border: 1.5px solid var(--color-light);
  background: var(--color-background);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--color-dark);
  cursor: pointer;
  text-align: left;
}
html.dark-mode .cs-trigger { background: rgba(255,255,255,0.04); }
.cs-trigger:focus, .cs-wrap.open .cs-trigger { outline: none; border-color: var(--color-primary); }
.cs-caret { font-size: 1.2rem; color: var(--color-dark-variant); transition: transform 0.15s ease; }
.cs-wrap.open .cs-caret { transform: rotate(180deg); }

.cs-options {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0; right: 0;
  background: var(--color-white);
  border-radius: var(--border-radius-1);
  box-shadow: var(--box-shadow);
  padding: 0.4rem;
  max-height: 240px;
  overflow-y: auto;
  z-index: 30;
  display: none;
}
.cs-wrap.open .cs-options { display: block; }
.cs-option {
  padding: 0.55rem 0.7rem;
  border-radius: var(--border-radius-1);
  font-size: 0.85rem;
  color: var(--color-dark);
  cursor: pointer;
}
.cs-option:hover { background: var(--color-light); }
.cs-option.selected { background: var(--color-light); color: var(--color-primary-dark); font-weight: 600; }

.workspace-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.6rem; }
@media (max-width: 900px) { .workspace-grid { grid-template-columns: 1fr; } }

.result-box {
  background: var(--color-background);
  border-radius: var(--border-radius-2);
  padding: 1.4rem;
  text-align: center;
}
html.dark-mode .result-box { background: rgba(255,255,255,0.04); }
.result-box.empty { color: var(--color-dark-variant); font-size: 0.82rem; }
.result-box img, .result-box iframe, .result-box canvas { max-width: 100%; border-radius: var(--border-radius-1); }

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-1);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.alert-info { background: var(--color-light); color: var(--color-primary-dark); }
.alert-danger { background: rgba(255,0,96,0.08); color: var(--color-danger); }
.alert-success { background: rgba(27,156,133,0.1); color: var(--color-success); }

.tabs { display: flex; gap: 0.4rem; margin-bottom: 1.4rem; border-bottom: 1px solid var(--color-light); }
.tab-btn {
  padding: 0.6rem 1rem;
  background: none; border: none;
  font-family: inherit; font-size: 0.85rem; font-weight: 500;
  color: var(--color-dark-variant);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-btn.active { color: var(--color-primary-dark); border-color: var(--color-primary); }

.progress-track { height: 6px; background: var(--color-light); border-radius: 4px; overflow: hidden; margin-top: 0.8rem; }
.progress-fill { height: 100%; width: 0%; background: var(--color-primary); transition: width 0.2s ease; }

.spinner {
  width: 1.1rem; height: 1.1rem;
  border: 2.5px solid var(--color-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer (WP widgetized) ---------- */
.site-footer { background: var(--chrome-dark); color: rgba(255,255,255,0.75); margin-top: 3rem; }
.footer-widgets {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  padding: 3rem 0 2rem;
}
@media (max-width: 768px) { .footer-widgets { grid-template-columns: 1fr 1fr; } }
.footer-widgets h4 { color: #fff; font-size: 0.9rem; margin-bottom: 1rem; }
.footer-widgets p, .footer-widgets li { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-bottom: 0.55rem; }
.footer-widgets a:hover { color: var(--color-warning); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.1rem 0;
  font-size: 0.75rem;
  text-align: center;
  color: rgba(255,255,255,0.5);
}

/* ---------- Utility ---------- */
.mt-1 { margin-top: 0.6rem; } .mt-2 { margin-top: 1.2rem; } .mb-2 { margin-bottom: 1.2rem; }
.text-center { text-align: center; }
.flex { display: flex; align-items: center; }
.gap-1 { gap: 0.5rem; } .gap-2 { gap: 1rem; }
.hidden { display: none !important; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav { position: fixed; top: 4.6rem; left: 0; right: 0; background: var(--color-white); box-shadow: var(--box-shadow); flex-direction: column; padding: 1rem; transform: translateY(-150%); transition: transform 0.25s ease; z-index: 40; }
  .main-nav.open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; width: 100%; }
}

/* thin colored scrollbar, matching LineWeb */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-background); }
::-webkit-scrollbar-thumb { background: var(--color-light); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }