* {
  box-sizing: border-box;
}

:root {
  --bg-body: #f3f4f6;
  --bg-panel: #ffffff;
  --bg-subtle: #f9fafb;
  --border-soft: #e5e7eb;
  --border-muted: #d1d5db;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent-soft: #e5e7f3;
  --accent-soft-hover: #d4d7ec;
  --text-main: #111827;
  --text-muted: #6b7280;
  --radius-lg: 12px;
  --radius-md: 8px;
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.06);
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  margin: 0;
  padding: 24px;
  background: radial-gradient(circle at top left, #e5e7eb, #f9fafb 45%, #f3f4f6);
  color: var(--text-main);
}

/* SkillDeck layout */

.sd-page {
  max-width: 1200px;
  margin: 0 auto;
}

.sd-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 4px 4px 10px;
}

.sd-header-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sd-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sd-logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.sd-logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
}

.sd-logo-text-highlight {
  color: var(--primary);
}

.sd-header-tagline {
  font-size: 12px;
  color: var(--text-muted);
}

.sd-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  flex-wrap: wrap;
}

.sd-header-link {
  text-decoration: none;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.sd-header-link--active {
  background: var(--accent-soft);
  border-color: var(--border-soft);
  color: var(--text-main);
}

.sd-header-link--disabled {
  opacity: 0.6;
  cursor: default;
}

.sd-main {
  margin-top: 4px;
}

.sd-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
  color: #9ca3af;
  padding-top: 10px;
  margin-top: 10px;
}

/* Tool wrapper (reusable per tool) */

.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  padding: 20px 24px 24px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

h1 {
  font-size: 22px;
  margin: 0 0 6px;
  letter-spacing: 0.01em;
}

h2 {
  font-size: 15px;
  margin: 0;
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.small {
  font-size: 12px;
  color: var(--text-muted);
}

/* Ad banner (reusable component) */

.ad-banner {
  margin: 12px 0 16px;
  padding: 10px;
  border-radius: var(--radius-md);
  background: #fffbeb;
  border: 1px dashed #fbbf24;
  text-align: center;
  font-size: 12px;
  color: #92400e;
}

.ad-banner span {
  font-weight: 600;
}

/* Layout: two-column area */

.container {
  display: flex;
  gap: 20px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.column {
  flex: 1 1 280px;
  min-width: 260px;
}

/* Inputs & textareas */

textarea {
  width: 100%;
  height: 200px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  resize: vertical;
  outline: none;
  background-color: #f9fafb;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.12);
  background-color: #ffffff;
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.list-header-left {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.list-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.list-name-input {
  width: 100%;
  margin: 2px 0 8px;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  font-size: 12px;
  background: #f9fafb;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.list-name-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.12);
  background-color: #ffffff;
}

/* Icon buttons (copy, sort, etc.) */

.icon-button {
  border: none;
  background: var(--accent-soft);
  color: var(--text-main);
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: background-color 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
  min-width: 30px;
}

.icon-button:hover {
  background: var(--accent-soft-hover);
}

.icon-button:active {
  transform: translateY(1px);
  box-shadow: none;
}

.icon-button span {
  font-size: 11px;
}

/* Sort mode bar */

.sort-and-buttons-bar {
  margin-top: 4px;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  display: flex;
  justify-content: flex-end; /* push content to the right */
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}


.sort-mode-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
}

.sort-mode-group label {
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.sort-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sort-toggle-btn {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  border: none;
  cursor: pointer;
  background: var(--accent-soft);
  color: var(--text-main);
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.sort-toggle-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.5);
}



/* Compare bar */

.compare-bar {
  margin-top: 8px;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.compare-left {
  flex: 1 1 0;
}

.compare-center {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  flex: 0 0 auto;
  margin: 0 auto;
}

.compare-right {
  flex: 1 1 0;
  display: flex;
  justify-content: flex-end;
}

.compare-center label {
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

/* Buttons */

button {
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.05s ease, box-shadow 0.05s ease, background-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}

button.primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);
}

button.primary:hover {
  background: var(--primary-hover);
}

button.secondary {
  background: var(--accent-soft);
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

button.secondary:hover {
  background: var(--accent-soft-hover);
}

/* Stronger rule: button with BOTH classes 'secondary' and 'clear-all-btn' */
button.secondary.clear-all-btn {
  background: #fee2e2;        /* light red */
  color: #b91c1c;             /* darker red text */
  box-shadow: 0 1px 3px rgba(248, 113, 113, 0.45);
}

button.secondary.clear-all-btn:hover {
  background: #fecaca;
}
	
button.small-btn {
  padding: 4px 11px;
  font-size: 12px;
  border-radius: 999px;
}

button:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* Results & cards */

.results-title {
  margin-top: 18px;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 600;
}

.results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 8px;
}

.card {
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-soft);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.card h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

ul {
  margin: 4px 0 0;
  padding-left: 18px;
  max-height: 200px;
  overflow-y: auto;
  font-size: 13px;
}

.note {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Duplicates */

.dup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.dup-output {
  font-size: 13px;
}

/* Generic output textarea */

.output-textarea {
  width: 100%;
  min-height: 80px;
  margin-top: 4px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  resize: vertical;
  background-color: #ffffff;
}

.output-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.12);
}

/* Section separator */

.section-separator {
  margin-top: 20px;
  border-top: 1px dashed #e5e7eb;
  padding-top: 12px;
}

/* Tips */

.tip {
  margin: 4px 0 6px;
  font-size: 11px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tip-icon {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--primary);
  flex-shrink: 0;
}

.tip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.sort-mode-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Inline sort toggle */
.sort-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.sort-toggle-btn {
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 11px;
  border: 1px solid var(--border-soft);
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.sort-toggle-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.45);
}

/* Make the main Compare button more prominent */
.compare-btn {
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 600;
}

/* Make Clear All more visible as a gentle 'danger' action */
.clear-all-btn {
  background: #fee2e2;        /* light red */
  color: #b91c1c;             /* darker red text */
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(248, 113, 113, 0.45);
}

.clear-all-btn:hover {
  background: #fecaca;
}

.clear-all-btn:active {
  box-shadow: none;
  transform: translateY(1px);
}


/* Make Clear All more visible as a gentle 'danger' action */
.clear-all-btn {
  background: #fee2e2;        /* light red */
  color: #b91c1c;             /* darker red text */
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(248, 113, 113, 0.45);
}

.clear-all-btn:hover {
  background: #fecaca;
}

.clear-all-btn:active {
  box-shadow: none;
  transform: translateY(1px);
}


/* Responsive */

@media (max-width: 640px) {
  body {
    padding: 12px;
  }
  .page-wrapper {
    padding: 16px 14px 18px;
  }
}