/**
 * TimeDateStack - Embed Mode & Embed Modal Stylesheet
 * High-performance Zero-FOUC iframe embed engine & accessible embed dialog
 */

/* ==========================================================================
   1. Zero-FOUC Embed Mode (?embed=true)
   ========================================================================== */
html.tds-embed-mode,
html.tds-embed-mode body {
  margin: 0 !important;
  padding: 0 !important;
  background-color: transparent !important;
  background-image: none !important;
  min-height: auto !important;
  width: 100% !important;
  overflow-x: hidden !important;
  box-shadow: none !important;
}

/* Comprehensive hide list in Embed Mode */
html.tds-embed-mode header,
html.tds-embed-mode #mobile-menu-drawer,
html.tds-embed-mode nav[aria-label="Breadcrumb"],
html.tds-embed-mode nav[aria-label="Main Navigation"],
html.tds-embed-mode footer,
html.tds-embed-mode aside,
html.tds-embed-mode #quick-matrix,
html.tds-embed-mode #tds-embed-modal,
html.tds-embed-mode .tds-embed-trigger,
html.tds-embed-mode .tds-embed-hide,
html.tds-embed-mode [data-tds-embed-hide],
html.tds-embed-mode main:not(.tds-embed-section):not(.tds-embed-target):not(:has(.tds-embed-target)),
html.tds-embed-mode section:not(.tds-embed-section):not(.tds-embed-target):not(:has(.tds-embed-target)) {
  display: none !important;
}

/* Strip outer section padding/margins in embed mode */
html.tds-embed-mode .tds-embed-section {
  padding: 6px !important;
  margin: 0 !important;
  background: transparent !important;
  background-image: none !important;
  border: none !important;
  box-shadow: none !important;
  width: 100% !important;
  max-width: 100% !important;
}

html.tds-embed-mode .tds-embed-section > div,
html.tds-embed-mode .tds-embed-wrapper {
  max-width: 100% !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

/* Calculator container optimization in embed mode */
html.tds-embed-mode .tds-embed-target {
  max-width: 100% !important;
  width: 100% !important;
  margin: 0 auto !important;
  border-radius: 12px !important;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05) !important;
}

/* Hide background blur/glow graphics in embed mode */
html.tds-embed-mode .blur-3xl,
html.tds-embed-mode [class*="bg-gradient-"][class*="blur-"] {
  display: none !important;
}

/* Subtle iframe brand watermark for embedded views */
.tds-embed-watermark {
  display: none;
}
html.tds-embed-mode .tds-embed-watermark {
  display: flex !important;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem 0.25rem;
  font-size: 0.75rem;
  color: #64748b;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}
html.tds-embed-mode .tds-embed-watermark a {
  color: #4f46e5;
  text-decoration: none;
  font-weight: 600;
}
html.tds-embed-mode .tds-embed-watermark a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   2. Embed Trigger Button Styles
   ========================================================================== */
.tds-embed-trigger {
  cursor: pointer;
  user-select: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  border-radius: 0.625rem;
  font-size: 0.75rem;
  line-height: 1rem;
  outline: none;
}
.tds-embed-trigger:hover {
  transform: translateY(-1px);
}
.tds-embed-trigger:active {
  transform: translateY(0);
}
.tds-embed-trigger:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* ==========================================================================
   3. Accessible Embed Modal Dialog
   ========================================================================== */
#tds-embed-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#tds-embed-modal.tds-modal-open {
  opacity: 1;
  visibility: visible;
}

/* Backdrop with smooth glassmorphism blur */
.tds-modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: opacity 0.25s ease;
}

/* Modal Content Card */
.tds-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: #ffffff;
  border-radius: 1.5rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(15, 23, 42, 0.05);
  transform: scale(0.96) translateY(8px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #1e293b;
  z-index: 10;
}

#tds-embed-modal.tds-modal-open .tds-modal-dialog {
  transform: scale(1) translateY(0);
}

/* Modal Header */
.tds-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.5rem 1.75rem 1.25rem;
  border-bottom: 1px solid #f1f5f9;
  background: linear-gradient(to bottom, #ffffff, #fafafa);
  border-top-left-radius: 1.5rem;
  border-top-right-radius: 1.5rem;
}

.tds-modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: #eef2ff;
  color: #4338ca;
  border: 1px solid #c7d2fe;
  margin-bottom: 0.375rem;
}

.tds-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.025em;
  margin: 0;
  line-height: 1.3;
}

.tds-modal-subtitle {
  font-size: 0.8125rem;
  color: #64748b;
  margin: 0.25rem 0 0 0;
  line-height: 1.4;
}

.tds-modal-close-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.75rem;
  color: #94a3b8;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -0.25rem;
  margin-right: -0.5rem;
}
.tds-modal-close-btn:hover {
  background-color: #f1f5f9;
  color: #334155;
}
.tds-modal-close-btn:focus-visible {
  outline: 2px solid #6366f1;
}

/* Modal Body */
.tds-modal-body {
  padding: 1.5rem 1.75rem;
}

/* Preset Picker */
.tds-preset-group {
  margin-bottom: 1.25rem;
}

.tds-preset-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #475569;
  margin-bottom: 0.5rem;
}

.tds-preset-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  background-color: #f8fafc;
  padding: 0.35rem;
  border-radius: 0.875rem;
  border: 1px solid #e2e8f0;
}

.tds-preset-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 0.5rem;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: 0.625rem;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}

.tds-preset-tab:hover:not(.active) {
  background-color: #ffffff;
  color: #1e293b;
  border-color: #cbd5e1;
}

.tds-preset-tab.active {
  background-color: #4f46e5;
  color: #ffffff;
  border-color: #4338ca;
  box-shadow: 0 1px 3px 0 rgba(79, 70, 229, 0.25);
}

.tds-preset-name {
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.2;
}

.tds-preset-dim {
  font-size: 0.6875rem;
  opacity: 0.85;
  margin-top: 0.125rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

/* Code Snippet Box */
.tds-snippet-group {
  margin-bottom: 1.25rem;
}

.tds-snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.tds-snippet-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #475569;
}

.tds-canonical-indicator {
  font-size: 0.6875rem;
  color: #64748b;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

.tds-code-box {
  position: relative;
  background-color: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 0.875rem;
  overflow: hidden;
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.2);
}

.tds-code-textarea {
  width: 100%;
  height: 125px;
  padding: 0.875rem 1rem;
  background-color: transparent;
  color: #e2e8f0;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  line-height: 1.5;
  border: none;
  outline: none;
  resize: none;
  white-space: pre-wrap;
  word-break: break-all;
  box-sizing: border-box;
}

/* Copy Action Bar */
.tds-modal-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
}

.tds-btn-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: #4f46e5;
  color: #ffffff;
  border: 1px solid #4338ca;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 2px 0 rgba(79, 70, 229, 0.2);
  flex: 1;
  min-width: 160px;
}
.tds-btn-copy:hover {
  background-color: #4338ca;
  transform: translateY(-1px);
}
.tds-btn-copy:active {
  transform: translateY(0);
}

.tds-btn-copy.copied {
  background-color: #059669 !important;
  border-color: #047857 !important;
}

.tds-btn-preview {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  background-color: #f8fafc;
  color: #334155;
  border: 1px solid #cbd5e1;
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
.tds-btn-preview:hover {
  background-color: #f1f5f9;
  color: #0f172a;
  border-color: #94a3b8;
}

.tds-modal-footer-note {
  margin-top: 1rem;
  font-size: 0.6875rem;
  color: #64748b;
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .tds-modal-header {
    padding: 1.25rem 1.25rem 1rem;
  }
  .tds-modal-body {
    padding: 1.25rem 1.25rem;
  }
  .tds-preset-tabs {
    grid-template-columns: 1fr;
  }
  .tds-modal-actions {
    flex-direction: column;
    align-items: stretch;
  }
}