:root {
  --bg: #10131a;
  --panel: #171b25;
  --panel-2: #1d2330;
  --border: #263043;
  --text: #e6e7eb;
  --muted: #a7b0c3;
  --accent: #76c7ed;
  --accent-hover: #89d1f0;
  --yellow: #ffd54f;
  --error: #ff6b6b;
  --success: #51cf66;
  --warning: #ffd43b;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --radius-lg: 14px;
  --radius: 10px;
  --radius-sm: 8px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 15% -10%, #0c1017 0%, var(--bg) 50%) no-repeat fixed;
  color: var(--text);
  line-height: 1.5;
}

.wrap {
  max-width: 1120px;
  margin: 32px auto;
  padding: 0 20px;
  min-height: calc(100vh - 64px);
}

/* Header */
.head {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
}

.brand {
  margin: 0 0 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brand-text {
  font-size: 28px;
  letter-spacing: 0.3px;
  font-weight: 800;
  background: linear-gradient(135deg, #eaf7ff, #bfe7ff, #76c7ed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.brand-accent {
  color: var(--accent);
  text-shadow: 0 0 20px rgba(118, 199, 237, 0.3);
}

.brand-subtitle {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  opacity: 0.8;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 12px;
}

@media (max-width: 768px) {
  .row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .header-row {
    flex-direction: column;
    gap: 16px;
  }
}

/* Info button */
.info-btn {
  background: linear-gradient(180deg, #173651, #1c4e72);
  border: 1px solid #2379b2;
  color: #eaf7ff;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
}

.info-btn:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

/* Modal styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}

.modal-title {
  color: var(--accent);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text);
  background: var(--panel-2);
}

.modal-content {
  color: var(--text);
  line-height: 1.6;
}

.modal-content h3 {
  color: var(--accent);
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 16px;
}

.modal-content h3:first-child {
  margin-top: 0;
}

.modal-content kbd {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
}

.modal-content ul {
  margin: 8px 0;
  padding-left: 20px;
}

.modal-content li {
  margin: 6px 0;
}

/* Form Fields */
.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

.field input {
  background: #0f1320;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
  font-size: 14px;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.15);
}

.field input:invalid {
  border-color: var(--error);
}

.select {
  background: #0f1320;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: var(--radius);
  outline: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}

.select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12);
}

.select:hover {
  border-color: var(--accent-hover);
}

/* Toolbar */
.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
  margin-bottom: 16px;
}

.group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .group {
    flex-wrap: wrap;
  }
}

.group-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 10px;
  border: 1px dashed var(--border);
  border-radius: 999px;
  margin-right: 6px;
  white-space: nowrap;
}

/* Tool buttons */
.tool {
  appearance: none;
  border: 1px solid var(--border);
  background: #0f1320;
  color: var(--text);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
  user-select: none;
}

.tool:hover:not(:disabled) {
  border-color: var(--accent);
  background: #141a2a;
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12);
  transform: translateY(-1px);
}

.tool:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

.tool:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tool.active {
  background: linear-gradient(180deg, #122032, #183049);
  border-color: #2aa3da;
  box-shadow: inset 0 0 0 1px rgba(42, 163, 218, 0.6), 0 0 0 3px rgba(118, 199, 237, 0.16);
  color: #dff4ff;
}

/* Input chips */
.input-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: #0f1320;
  transition: var(--transition);
}

.input-chip:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12);
}

.size-chip {
  min-width: 280px;
}

.color-chip {
  min-width: 240px;
}

.font-chip {
  min-width: 200px;
}

.chip-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 8px 12px;
  outline: none;
  font-size: 13px;
  min-width: 0;
}

.chip-input::placeholder {
  color: var(--muted);
}

.chip-arrow {
  border: none;
  background: #152033;
  color: var(--muted);
  padding: 8px 10px;
  cursor: pointer;
  transition: var(--transition);
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chip-arrow:hover {
  background: #1b2b45;
  color: var(--text);
}

.chip-arrow:first-child {
  border-right: 1px solid var(--border);
}

.chip-arrow:not(:first-child):not(:last-child) {
  border-left: 1px solid var(--border);
}

.chip-color {
  width: 44px;
  height: 36px;
  border: none;
  background: transparent;
  padding: 4px;
  cursor: pointer;
  border-radius: 0;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.chip-apply {
  border: none;
  background: linear-gradient(180deg, #173651, #1c4e72);
  color: #eaf7ff;
  padding: 8px 12px;
  cursor: pointer;
  transition: var(--transition);
  min-width: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--border);
}

.chip-apply:hover {
  filter: brightness(1.15);
  background: linear-gradient(180deg, #1a3d5a, #205580);
}

.chip-reset {
  border: none;
  background: #152033;
  color: #c3d9ea;
  padding: 8px 10px;
  cursor: pointer;
  border-left: 1px solid var(--border);
  transition: var(--transition);
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chip-reset:hover {
  background: #1b2b45;
  color: var(--error);
}

/* Icon Dropdown */
.icon-dropdown-wrapper {
  position: relative;
  display: inline-block;
}

.icon-dropdown {
  position: absolute;
  top: 44px;
  left: 0;
  min-width: 420px;
  max-width: 90vw;
  max-height: 400px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow);
  z-index: 2000;
  display: none;
  flex-direction: column;
  gap: 12px;
}

.icon-dropdown[aria-hidden="false"] {
  display: flex;
}

.dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.dropdown-header h4 {
  margin: 0;
  color: var(--accent);
  font-size: 16px;
  font-weight: 600;
}

.icon-search {
  flex: 1;
  background: #0b1116;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  outline: none;
  font-size: 13px;
  transition: var(--transition);
}

.icon-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12);
}

.icon-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0;
}

.category-btn {
  background: #0f1320;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 12px;
  font-weight: 500;
  text-transform: capitalize;
}

.category-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.category-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f1320;
  font-weight: 600;
}

.icon-grid-container {
  max-height: 240px;
  overflow-y: auto;
  border-radius: var(--radius-sm);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  padding: 8px;
}

.icon-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 8px;
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  min-height: 36px;
}

.icon-cell:hover {
  background: rgba(118, 199, 237, 0.1);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.icon-cell:active {
  transform: translateY(0) scale(0.95);
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 20px;
  font-size: 14px;
  font-style: italic;
}

/* Responsive icon dropdown */
@media (max-width: 960px) {
  .icon-dropdown {
    width: 100%;
    left: 0;
    right: 0;
  }
  .icon-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

@media (max-width: 480px) {
  .icon-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* Editor */
.editor {
  background: #0c111b;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-height: 420px;
  padding: 18px;
  line-height: 1.5;
  outline: none;
  white-space: pre-wrap;
  box-shadow: var(--shadow);
  caret-color: var(--text);
  transition: var(--transition);
  overflow-y: auto;
  word-wrap: break-word;
  font-size: 14px;
}

.editor:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12), var(--shadow);
}

.editor:empty::before {
  content: attr(data-placeholder);
  color: #6f7b91;
  pointer-events: none;
  user-select: none;
}

/* Font families for real-time preview */
.editor [data-font="VCR SDF"] {
  font-family: 'Courier New', monospace;
  font-weight: bold;
}

.editor [data-font="Barlow-Black SDF"] {
  font-family: 'Arial Black', sans-serif;
  font-weight: 900;
}

.editor [data-font="Barlow-BoldItalic SDF"] {
  font-family: 'Arial', sans-serif;
  font-weight: bold;
  font-style: italic;
}

.editor [data-font="Barlow-Light SDF"] {
  font-family: 'Arial', sans-serif;
  font-weight: 300;
}

.editor [data-font="BROOK SDF"] {
  font-family: 'Times New Roman', serif;
  font-weight: bold;
}

.editor [data-font="CONSOLA SDF"] {
  font-family: 'Consolas', monospace;
}

.editor [data-font="DIGITAL-7 SDF"] {
  font-family: 'Courier New', monospace;
  font-variant-numeric: tabular-nums;
}

.editor [data-font="DIN_Pro_Bold_700 SDF"] {
  font-family: 'Helvetica', sans-serif;
  font-weight: 700;
}

.editor [data-font="LiberationSans SDF"] {
  font-family: 'Liberation Sans', 'Arial', sans-serif;
}

.editor [data-font="NotoSansJP-Regular SDF"] {
  font-family: 'Noto Sans JP', sans-serif;
}

.editor [data-font="OCRAEXT SDF"] {
  font-family: 'OCR A Extended', monospace;
  font-weight: bold;
}

/* Placeholder chips */
.placeholder-chip {
  display: inline-block;
  background: rgba(118, 199, 237, 0.12);
  border: 1px solid rgba(118, 199, 237, 0.35);
  border-radius: 6px;
  padding: 2px 6px;
  margin: 0 2px;
  color: var(--accent);
  user-select: none;
  font-weight: 500;
  font-size: 0.9em;
  cursor: default;
  transition: var(--transition);
}

.placeholder-chip:hover {
  background: rgba(118, 199, 237, 0.2);
  border-color: rgba(118, 199, 237, 0.5);
}

.placeholder-chip::before {
  opacity: 0.7;
}

/* Highlight */
.hl {
  background: var(--yellow);
  color: #212121;
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 500;
}

/* Footer */
.footer {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .footer {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

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

.field-inline label {
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.field-inline input {
  background: #0f1320;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
  font-size: 14px;
}

.field-inline input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.ghost {
  background: #0f1320;
  color: var(--text);
}

.btn.ghost:hover:not(:disabled) {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(118, 199, 237, 0.12);
  transform: translateY(-1px);
}

.btn.primary {
  background: linear-gradient(180deg, #1b6ea0, #1e5492);
  color: #e9f7ff;
  border: 1px solid #2379b2;
}

.btn.primary:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: white;
  font-weight: 500;
  font-size: 14px;
  max-width: 320px;
  word-wrap: break-word;
  opacity: 0;
  transform: translateX(100%);
  transition: var(--transition);
  pointer-events: auto;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.success {
  background: linear-gradient(135deg, var(--success), #40c057);
  border: 1px solid #51cf66;
}

.toast.error {
  background: linear-gradient(135deg, var(--error), #fa5252);
  border: 1px solid #ff6b6b;
}

.toast.warning {
  background: linear-gradient(135deg, var(--warning), #ffd43b);
  color: #212529;
  border: 1px solid #ffd43b;
}

.toast.info {
  background: linear-gradient(135deg, var(--accent), #74c0fc);
  color: #212529;
  border: 1px solid var(--accent);
}

/* FontAwesome Icons */
.fa-solid { font-family: "Font Awesome 6 Free"; font-weight: 900; }
.fa-regular { font-family: "Font Awesome 6 Free"; font-weight: 400; }
.fa-bold:before { content: "\f032"; }
.fa-italic:before { content: "\f033"; }
.fa-underline:before { content: "\f0cd"; }
.fa-strikethrough:before { content: "\f0cc"; }
.fa-superscript:before { content: "\f12b"; }
.fa-subscript:before { content: "\f12c"; }
.fa-highlighter:before { content: "\f591"; }
.fa-align-left:before { content: "\f036"; }
.fa-align-center:before { content: "\f037"; }
.fa-align-right:before { content: "\f038"; }
.fa-align-justify:before { content: "\f039"; }
.fa-list-ol:before { content: "\f0cb"; }
.fa-list-ul:before { content: "\f0ca"; }
.fa-indent:before { content: "\f03c"; }
.fa-outdent:before { content: "\f03b"; }
.fa-minus:before { content: "\f068"; }
.fa-plus:before { content: "\f067"; }
.fa-text-height:before { content: "\f034"; }
.fa-circle-xmark:before { content: "\f057"; }
.fa-droplet:before { content: "\f043"; }
.fa-rotate-left:before { content: "\f0e2"; }
.fa-rotate-right:before { content: "\f01e"; }
.fa-info-circle:before { content: "\f05a"; }
.fa-font:before { content: "\f031"; }
.fa-icons:before { content: "\f86d"; }
.fa-times:before { content: "\f00d"; }
.fa-chevron-down:before { content: "\f078"; }

/* Responsive design */
@media (max-width: 480px) {
  .wrap {
    padding: 0 16px;
    margin: 16px auto;
  }

  .head,
  .toolbar,
  .footer {
    padding: 16px;
  }

  .editor {
    padding: 16px;
    min-height: 320px;
  }

  .input-chip .chip-input {
    width: 120px;
  }

  .brand {
    font-size: 20px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus indicators */
button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border: #ffffff;
    --text: #ffffff;
    --bg: #000000;
    --panel: #111111;
  }
}

/* Print styles */
@media print {
  .toolbar,
  .footer {
    display: none;
  }

  .editor {
    box-shadow: none;
    border: 1px solid #000;
    background: white;
    color: black;
  }
}