/* ============================================================
   DevKit Shared Styles — v2.0
   ============================================================ */

:root {
  /* Clean white high-contrast theme */
  --bg: #ffffff;
  --surface: #f6f8fa;
  --surface2: #eef0f3;
  --surface3: #e2e5ea;
  --border: #d0d5dc;
  --border2: #b8bfc9;
  --text: #111318;
  --text2: #3d4452;
  --text3: #6b7385;
  --accent: #2563eb;
  --accent2: #1d4ed8;
  --accent3: #1e3a8a;
  --green: #15803d;
  --orange: #c2410c;
  --red: #dc2626;
  --yellow: #92400e;
  --cyan: #0e7490;
  --pink: #9d174d;
}

/* Reset */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* Layout */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px 80px;
  position: relative;
  z-index: 1;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 700px) {
  .two-col { grid-template-columns: 1fr; }
  .page-wrap, .container { padding-left: 16px; padding-right: 16px; }
}

/* Old-style top nav */
.top-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--text2);
  font-size: 12px;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 7px;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}
.back-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(124,106,255,0.06);
}

.nav-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.nav-badge {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text3);
  letter-spacing: 1px;
  margin-left: auto;
}

/* Sticky navbar */
.navbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  height: 54px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: var(--accent2);
  text-decoration: none;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--accent3); }
.nav-tool-name {
  font-size: 13px;
  color: var(--text2);
  border-left: 1px solid var(--border2);
  padding-left: 12px;
  flex: 1;
}
.nav-actions { display: flex; gap: 6px; margin-left: auto; }

/* Tool header (old style + flex variant) */
.tool-header { margin-bottom: 28px; }
.tool-header:has(.tool-icon) {
  display: flex;
  align-items: center;
  gap: 16px;
}
.tool-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  line-height: 1.2;
}
.tool-header p {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.7;
}

/* Tool header (new style) */
.tool-header-new {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}
.tool-icon {
  font-size: 1.8rem;
  width: 54px;
  height: 54px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tool-title {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
  line-height: 1.2;
}
.tool-subtitle { font-size: 12px; color: var(--text2); line-height: 1.6; }

/* Toolbar */
.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 16px;
  border-radius: 7px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  letter-spacing: 0.3px;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}
.btn-primary:hover { background: #1d4ed8; }

.btn-secondary {
  background: var(--surface2);
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-secondary:hover { color: var(--text); border-color: var(--accent); background: var(--surface3); }

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent); background: rgba(124,106,255,0.06); }

.btn-success {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #86efac;
}
.btn-success:hover { background: #dcfce7; }

.btn-danger {
  background: #fff1f2;
  color: #dc2626;
  border: 1px solid #fca5a5;
}
.btn-danger:hover { background: #fee2e2; }

/* Panel */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  background: var(--surface);
}
.panel-header .actions { display: flex; gap: 6px; }

/* Padded panel variant */
.panel-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

/* Code areas */
.code-area {
  width: 100%;
  min-height: 260px;
  background: transparent;
  border: none;
  padding: 16px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.75;
  resize: vertical;
  outline: none;
  tab-size: 2;
}
.code-area::placeholder { color: var(--text3); }

.result-area {
  padding: 16px;
  font-size: 13px;
  line-height: 1.75;
  min-height: 100px;
  word-break: break-all;
}

/* Status badges */
.status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 5px;
  font-weight: 500;
}
.status.ok   { background: #f0fdf4;  color: #15803d;   border: 1px solid #86efac; }
.status.err  { background: #fff1f2;  color: #dc2626;     border: 1px solid #fca5a5; }
.status.info { background: #eff6ff;  color: #2563eb; border: 1px solid rgba(124,106,255,0.2); }
.status.warn { background: #fffbeb;  color: #92400e;  border: 1px solid #fcd34d; }

/* Ad footer (old style) */
.ad-footer {
  margin-top: 48px;
  background: #f0f7ff;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text2);
}
.ad-footer strong { color: var(--accent2); }
.ad-btn {
  font-size: 11px;
  padding: 7px 16px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  transition: background 0.15s;
  flex-shrink: 0;
  margin-left: auto;
}
.ad-btn:hover { background: #1d4ed8; }

/* Ad footer (new style) */
.ad-tag {
  font-size: 9px;
  padding: 3px 8px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: white;
  border-radius: 4px;
  letter-spacing: 1px;
  font-weight: 700;
  flex-shrink: 0;
}
.ad-text { flex: 1; color: var(--text2); line-height: 1.5; }
.ad-link {
  color: var(--accent2);
  text-decoration: none;
  font-size: 12px;
  flex-shrink: 0;
  transition: color 0.15s;
}
.ad-link:hover { color: var(--accent3); }

/* Toast */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #15803d;
  color: #ffffff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.22s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(21,128,61,0.25);
}
#toast.show { opacity: 1; transform: translateY(0); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* Input focus ring */
input[type="text"]:focus,
input[type="number"]:focus,
input[type="datetime-local"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(124,106,255,0.12);
}

/* Tab buttons */
.tab-btn {
  padding: 6px 14px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text3);
  transition: all 0.15s;
  letter-spacing: 0.5px;
}
.tab-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.tab-btn:not(.active):hover { color: var(--text2); border-color: var(--border2); }