/* ==========================================================================
   Expeditious Tools - URL Encoder & Decoder CSS
   Brand Colors: Primary #ffc800 / #FFC107, Dark #212529, Soft Bg #f8f9fa
   ========================================================================== */

:root {
  --url-primary: #ffc800;
  --url-primary-dark: #e0a800;
  --url-primary-light: #fff8e1;
  --url-dark: #1e2227;
  --url-gray-800: #334155;
  --url-gray-600: #64748b;
  --url-gray-400: #cbd5e1;
  --url-gray-200: #e2e8f0;
  --url-gray-100: #f8fafc;
  --url-white: #ffffff;
  --url-radius-lg: 16px;
  --url-radius-md: 10px;
  --url-radius-sm: 6px;
  --url-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  --url-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --url-transition: all 0.2s ease-in-out;
}

.url-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* Breadcrumb */
.url-breadcrumb-nav {
  margin-bottom: 20px;
}

.url-breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.88rem;
  color: var(--url-gray-600);
}

.url-breadcrumb-list li a {
  color: var(--url-gray-600);
  text-decoration: none;
  transition: var(--url-transition);
}

.url-breadcrumb-list li a:hover {
  color: var(--url-dark);
}

.url-breadcrumb-list li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--url-gray-400);
}

.url-breadcrumb-list li[aria-current="page"] {
  color: var(--url-dark);
  font-weight: 600;
}

/* Main Tool Card */
.url-card {
  background: var(--url-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--url-radius-lg);
  box-shadow: var(--url-shadow);
  overflow: hidden;
  margin-bottom: 48px;
}

/* Header Bar */
.url-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: var(--url-dark);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.url-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
}

.url-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--url-primary);
  color: #111;
  border-radius: 8px;
  font-size: 1.1rem;
}

/* Mode Selection Pills */
.url-mode-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: #f8fafc;
  border-bottom: 1px solid var(--url-gray-200);
}

.url-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  background: #e2e8f0;
  padding: 3px;
  border-radius: 8px;
  gap: 2px;
}

.url-mode-btn {
  padding: 6px 14px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--url-gray-800);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--url-transition);
}

.url-mode-btn:hover {
  color: var(--url-dark);
}

.url-mode-btn.active {
  background: #ffffff;
  color: var(--url-dark);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.url-header-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--url-gray-800);
}

.url-switch-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-weight: 500;
}

/* Workspace 2-Column Panes */
.url-panes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}

@media (max-width: 900px) {
  .url-panes-grid {
    grid-template-columns: 1fr;
  }
}

/* Input & Output Panels */
.url-panel {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #ffffff;
}

.url-panel-left {
  border-right: 1px solid var(--url-gray-200);
}

@media (max-width: 900px) {
  .url-panel-left {
    border-right: none;
    border-bottom: 1px solid var(--url-gray-200);
  }
}

.url-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.url-panel-title {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--url-gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.url-panel-tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.url-btn-sm {
  padding: 5px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  background: #f1f5f9;
  color: var(--url-gray-800);
  border: 1px solid var(--url-gray-400);
  border-radius: var(--url-radius-sm);
  cursor: pointer;
  transition: var(--url-transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.url-btn-sm:hover {
  background: var(--url-gray-200);
  color: #000;
}

.url-btn-sm-primary {
  background: var(--url-primary);
  border-color: var(--url-primary-dark);
  color: #111;
}

.url-btn-sm-primary:hover {
  background: #ffb700;
  color: #000;
}

/* Textareas */
.url-textarea {
  flex: 1;
  width: 100%;
  min-height: 280px;
  padding: 16px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--url-dark);
  background: #ffffff;
  border: 2px solid var(--url-gray-200);
  border-radius: var(--url-radius-md);
  resize: vertical;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.url-textarea:focus {
  border-color: var(--url-primary);
  box-shadow: 0 0 0 3px rgba(255, 200, 0, 0.15);
}

.url-textarea[readonly] {
  background: #fbfcfe;
}

/* Panel Footer with stats */
.url-panel-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--url-gray-600);
}

.url-stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.url-stat-badge strong {
  color: var(--url-dark);
}

/* Error Banner for Malformed Percent Sequences */
.url-error-box {
  display: none;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-left: 4px solid #ef4444;
  border-radius: var(--url-radius-sm);
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: #991b1b;
  line-height: 1.5;
}

.url-error-box.show {
  display: block;
}

/* Middle Toolbar Bar (Swap, Convert, Examples) */
.url-action-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: #f8fafc;
  border-top: 1px solid var(--url-gray-200);
}

.url-examples-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--url-gray-800);
}

.url-example-chip {
  padding: 4px 10px;
  background: #ffffff;
  border: 1px solid var(--url-gray-400);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  color: #475569;
  transition: var(--url-transition);
}

.url-example-chip:hover {
  background: var(--url-primary-light);
  border-color: var(--url-primary);
  color: var(--url-dark);
}

.url-main-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.url-btn-action {
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--url-radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--url-transition);
}

.url-btn-convert {
  background: var(--url-primary);
  border: 1px solid var(--url-primary-dark);
  color: #111;
}

.url-btn-convert:hover {
  background: #ffb700;
  transform: translateY(-1px);
}

.url-btn-swap {
  background: #ffffff;
  border: 1px solid var(--url-gray-400);
  color: var(--url-dark);
}

.url-btn-swap:hover {
  background: var(--url-gray-100);
}

/* Toast */
.url-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: #1e2227;
  color: #ffffff;
  border-left: 4px solid var(--url-primary);
  border-radius: var(--url-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.url-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* SEO Educational Guide */
.url-guide-section {
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--url-radius-lg);
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: var(--url-shadow-sm);
}

@media (max-width: 768px) {
  .url-guide-section {
    padding: 24px 18px;
  }
}

.url-guide-section h2 {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--url-dark);
  margin-top: 36px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.url-guide-section h2:first-child {
  margin-top: 0;
}

.url-guide-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--url-dark);
  margin-top: 24px;
  margin-bottom: 12px;
}

.url-guide-section p {
  font-size: 1.02rem;
  line-height: 1.75;
  color: #475569;
  margin-bottom: 18px;
}

.url-guide-section ul,
.url-guide-section ol {
  padding-left: 24px;
  margin-bottom: 20px;
  color: #475569;
  font-size: 1rem;
  line-height: 1.7;
}

.url-guide-section li {
  margin-bottom: 8px;
}

.url-callout-box {
  background: #fffbeb;
  border-left: 4px solid var(--url-primary);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-size: 0.98rem;
  color: #92400e;
  line-height: 1.6;
}

.url-guide-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}

.url-guide-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.url-guide-table th,
.url-guide-table td {
  padding: 12px 16px;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.url-guide-table th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--url-dark);
}

.url-guide-table tr:nth-child(even) td {
  background: #fbfcfe;
}

/* FAQ Accordion */
.url-faq-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.url-faq-item {
  border: 1px solid var(--url-gray-200);
  border-radius: var(--url-radius-md);
  overflow: hidden;
  background: #ffffff;
  transition: var(--url-transition);
}

.url-faq-item:hover {
  border-color: #cbd5e1;
}

.url-faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #ffffff;
  border: none;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--url-dark);
  text-align: left;
  cursor: pointer;
  transition: var(--url-transition);
}

.url-faq-question:hover {
  background: #f8fafc;
}

.url-faq-question:focus-visible {
  outline: 2px solid var(--url-primary);
  outline-offset: -2px;
}

.url-faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.url-faq-item.active .url-faq-icon {
  transform: rotate(180deg);
}

.url-faq-answer {
  display: none;
  padding: 0 20px 20px;
  font-size: 0.96rem;
  line-height: 1.7;
  color: #475569;
  border-top: 1px solid #f1f5f9;
}

.url-faq-item.active .url-faq-answer {
  display: block;
}