/**
 * Blank Text Tools – Main Styles
 * Design inspired by modern blank-text / Teks Kosong tools.
 */

/* ----- Variables ----- */
:root {
  --btt-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --btt-mono: "SF Mono", "Fira Code", "Consolas", Monaco, monospace;
  --btt-primary: #0d9488;
  --btt-primary-hover: #0f766e;
  --btt-primary-light: #ccfbf1;
  --btt-bg: #f8fafc;
  --btt-card-bg: #ffffff;
  --btt-border: #e2e8f0;
  --btt-border-focus: #0d9488;
  --btt-text: #1e293b;
  --btt-text-muted: #64748b;
  --btt-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --btt-shadow-lg: 0 10px 40px -10px rgba(0, 0, 0, 0.12);
  --btt-radius: 12px;
  --btt-radius-sm: 8px;
}

/* ----- Wrapper ----- */
.btt-wrapper {
  font-family: var(--btt-font);
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px;
  color: var(--btt-text);
  line-height: 1.6;
  box-sizing: border-box;
}

.btt-wrapper *,
.btt-wrapper *::before,
.btt-wrapper *::after {
  box-sizing: border-box;
}

/* ----- Cards ----- */
.btt-card {
  background: var(--btt-card-bg);
  border: 1px solid var(--btt-border);
  border-radius: var(--btt-radius);
  padding: 28px;
  margin-bottom: 28px;
  box-shadow: var(--btt-shadow);
  transition: box-shadow 0.2s ease;
}

.btt-card:hover {
  box-shadow: var(--btt-shadow-lg);
}

.btt-title {
  margin: 0 0 12px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--btt-text);
  letter-spacing: -0.02em;
}

.btt-subtitle {
  margin: 0 0 14px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--btt-text);
}

.btt-desc {
  margin: 0 0 20px;
  font-size: 0.95rem;
  color: var(--btt-text-muted);
  line-height: 1.55;
}

/* ----- Form ----- */
.btt-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--btt-text);
}

.btt-input,
.btt-textarea,
.btt-select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--btt-border);
  border-radius: var(--btt-radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background: var(--btt-bg);
  color: var(--btt-text);
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 14px;
}

.btt-input:focus,
.btt-textarea:focus,
.btt-select:focus {
  border-color: var(--btt-border-focus);
  outline: none;
  background: #fff;
}

.btt-textarea {
  resize: vertical;
  min-height: 90px;
  font-family: var(--btt-mono);
  font-size: 0.9rem;
}

.btt-output {
  background: #f1f5f9;
  border-style: dashed;
}

.btt-dotted {
  font-family: var(--btt-mono);
  letter-spacing: 0.2em;
  color: var(--btt-text-muted);
}

.btt-test-area {
  color: var(--btt-text);
}

.btt-test-area::placeholder {
  color: #94a3b8;
  font-style: italic;
}

.btt-meta {
  margin-top: -6px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--btt-text-muted);
  text-align: right;
}

/* ----- Buttons ----- */
.btt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--btt-primary);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 22px;
  border: none;
  border-radius: var(--btt-radius-sm);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s ease;
  width: 100%;
  font-family: inherit;
}

.btt-btn:hover {
  background: var(--btt-primary-hover);
  transform: translateY(-1px);
}

.btt-btn:active {
  transform: translateY(0);
}

.btt-btn-sm {
  width: auto;
  padding: 8px 14px;
  font-size: 0.9rem;
}

.btt-btn.secondary {
  background: #475569;
}

.btt-btn.secondary:hover {
  background: #334155;
}

.btt-icon-copy {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3'/%3E%3C/svg%3E") no-repeat center;
  mask-size: 100%;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask-size: 100%;
}

/* ----- Hero / Quick Copy ----- */
.btt-hero .btt-quick-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
  flex-wrap: wrap;
}

.btt-preview-box {
  flex: 1;
  min-width: 160px;
  background: var(--btt-bg);
  border: 1px dashed #cbd5e1;
  border-radius: var(--btt-radius-sm);
  padding: 14px 18px;
  text-align: center;
  color: var(--btt-text-muted);
  font-style: italic;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btt-hero .btt-btn {
  flex: 0 0 auto;
  min-width: 140px;
}

/* ----- Long Generator ----- */
.btt-long .btt-generate-long {
  margin-bottom: 10px;
}

/* ----- Popular Unicode Grid ----- */
.btt-unicode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.btt-unicode-card {
  background: var(--btt-bg);
  border: 1px solid var(--btt-border);
  border-radius: var(--btt-radius-sm);
  padding: 18px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.btt-unicode-card:hover {
  border-color: var(--btt-primary);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.08);
}

.btt-unicode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.btt-unicode-row:last-of-type {
  margin-bottom: 8px;
}

.btt-unicode-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.btt-unicode-actions .btt-btn {
  flex: 1;
  min-width: 80px;
}

.btt-unicode-label {
  color: var(--btt-text-muted);
  flex-shrink: 0;
}

.btt-unicode-code,
.btt-unicode-html {
  font-family: var(--btt-mono);
  font-size: 0.85rem;
  background: #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
  color: #334155;
}

.btt-unicode-example {
  font-family: var(--btt-mono);
  min-width: 1.2em;
  display: inline-block;
  background: #fff;
  border: 1px solid var(--btt-border);
  padding: 2px 6px;
  border-radius: 4px;
}

.btt-btn-outline {
  background: transparent;
  color: var(--btt-primary);
  border: 2px solid var(--btt-primary);
}

.btt-btn-outline:hover {
  background: var(--btt-primary-light);
  color: var(--btt-primary-hover);
}

/* ----- Quick Copy Strip ----- */
.btt-quick-strip .btt-strip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btt-strip-btn {
  width: auto;
  flex: 1 1 0;
  min-width: 0;
  font-size: 0.85rem;
  padding: 10px 12px;
}

/* ----- Sidebar / Widget ----- */
.btt-widget-wrap.btt-sidebar {
  max-width: 100%;
  padding: 0;
}

.btt-sidebar .btt-card {
  padding: 16px;
  margin-bottom: 0;
  border-radius: var(--btt-radius-sm);
}

.btt-sidebar .btt-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.btt-sidebar .btt-desc {
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.btt-sidebar .btt-input,
.btt-sidebar .btt-textarea {
  padding: 10px 12px;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.btt-sidebar .btt-textarea {
  min-height: 60px;
}

.btt-sidebar .btt-btn {
  padding: 10px 14px;
  font-size: 0.9rem;
}

.btt-sidebar .btt-unicode-grid {
  grid-template-columns: 1fr;
  gap: 12px;
}

.btt-sidebar .btt-checkbox-grid {
  grid-template-columns: 1fr;
}

.btt-sidebar .btt-table-scroll {
  margin: 0;
}

.btt-sidebar .btt-table th,
.btt-sidebar .btt-table td {
  padding: 8px 10px;
  font-size: 0.8rem;
}

.btt-sidebar .btt-strip-grid {
  flex-direction: column;
}

.btt-sidebar .btt-strip-btn {
  width: 100%;
}

.btt-sidebar .btt-accordion-trigger {
  padding: 12px 14px;
  font-size: 0.9rem;
}

.btt-sidebar .btt-tag,
.btt-sidebar .btt-lang {
  font-size: 0.8rem;
  padding: 6px 10px;
}

/* ----- Manual / Test ----- */
.btt-manual-actions {
  margin-bottom: 12px;
}

.btt-hint {
  margin: 8px 0 12px;
  font-size: 0.9rem;
  color: var(--btt-text-muted);
}

/* ----- Table ----- */
.btt-table-scroll {
  overflow-x: auto;
  margin: 0 -4px;
}

.btt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.btt-table th,
.btt-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--btt-border);
}

.btt-table th {
  background: var(--btt-bg);
  font-weight: 600;
  color: var(--btt-text);
}

.btt-table tbody tr:hover {
  background: #f8fafc;
}

.btt-table code {
  font-family: var(--btt-mono);
  font-size: 0.85rem;
  background: #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
}

.btt-table-example {
  font-family: var(--btt-mono);
  font-size: 0.85rem;
}

.btt-table td:last-child {
  white-space: nowrap;
}

/* ----- Custom Checkbox Grid ----- */
.btt-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.btt-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--btt-border);
  border-radius: var(--btt-radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s;
}

.btt-checkbox-label:hover {
  border-color: var(--btt-primary);
  background: var(--btt-primary-light);
}

.btt-checkbox-label input {
  margin: 0;
  accent-color: var(--btt-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ----- FAQ Accordion ----- */
.btt-accordion {
  border: 1px solid var(--btt-border);
  border-radius: var(--btt-radius-sm);
  overflow: hidden;
}

.btt-accordion-item {
  border-bottom: 1px solid var(--btt-border);
}

.btt-accordion-item:last-child {
  border-bottom: none;
}

.btt-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: #fff;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--btt-text);
  cursor: pointer;
  transition: background 0.2s;
}

.btt-accordion-trigger:hover {
  background: var(--btt-bg);
}

.btt-accordion-trigger::after {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") no-repeat center;
  mask-size: 100%;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") no-repeat center;
  -webkit-mask-size: 100%;
  opacity: 0.6;
  transition: transform 0.2s;
}

.btt-accordion-trigger[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.btt-accordion-panel {
  padding: 0 18px;
  background: var(--btt-bg);
}

.btt-accordion-panel[hidden] {
  display: none;
}

.btt-accordion-panel p {
  margin: 0;
  padding: 14px 0 18px;
  font-size: 0.95rem;
  color: var(--btt-text-muted);
  line-height: 1.55;
}

/* ----- Other Tools / Tags ----- */
.btt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btt-tag {
  display: inline-block;
  padding: 8px 14px;
  background: var(--btt-bg);
  border: 1px solid var(--btt-border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--btt-text-muted);
  transition: border-color 0.2s, color 0.2s;
}

.btt-tag:hover {
  border-color: var(--btt-primary);
  color: var(--btt-primary);
}

/* ----- Languages ----- */
.btt-lang-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btt-lang {
  display: inline-block;
  padding: 6px 12px;
  background: var(--btt-bg);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--btt-text-muted);
}

/* ----- Toast ----- */
#btt-toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%) translateY(80px);
  min-width: 260px;
  max-width: 90vw;
  padding: 14px 20px;
  background: #1e293b;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  border-radius: var(--btt-radius-sm);
  box-shadow: var(--btt-shadow-lg);
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
}

#btt-toast.btt-toast-show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

/* ----- Responsive ----- */
@media (max-width: 640px) {
  .btt-wrapper {
    padding: 16px 12px;
  }

  .btt-card {
    padding: 20px;
    margin-bottom: 20px;
  }

  .btt-title {
    font-size: 1.2rem;
  }

  .btt-hero .btt-quick-row {
    flex-direction: column;
  }

  .btt-hero .btt-btn {
    width: 100%;
  }

  .btt-unicode-grid {
    grid-template-columns: 1fr;
  }

  .btt-checkbox-grid {
    grid-template-columns: 1fr;
  }

  .btt-table th,
  .btt-table td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
}