@import url("https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;1,300&display=swap");

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: var(--color-background);
  --surface: var(--color-surface);
  --surface2: var(--color-surface-alt);
  --border: var(--color-border);
  --accent: var(--color-primary);
  --accent2: var(--color-secondary);
  --text: var(--color-text);
  --muted: var(--color-text-muted);
  --font: var(--font-mono);
}

html,
body {
  height: 100%;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
}

body {
  display: grid;
  grid-template-columns: 340px 1fr;
  grid-template-rows: 48px 1fr;
  min-height: 100vh;
  overflow: hidden;
}

/* HEADER */
header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  gap: 16px;
  background: var(--bg);
}

.logo {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
}

.logo span {
  color: var(--muted);
}

header .badge {
  margin-left: auto;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 3px 8px;
}

/* SIDEBAR */
aside {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.section-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* FONT UPLOAD */
.font-drop {
  border: 1px dashed var(--border);
  padding: 18px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  background: var(--surface2);
}

.font-drop:hover,
.font-drop.dragover {
  border-color: var(--accent);
  background: rgba(200, 255, 0, 0.03);
}

.font-drop input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.font-drop .drop-icon {
  font-size: 22px;
  margin-bottom: 8px;
  display: block;
}

.font-drop .drop-text {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.font-drop .drop-name {
  color: var(--accent);
  font-size: 11px;
  margin-top: 6px;
  display: none;
}

/* TEXT INPUT */
textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 12px;
  resize: none;
  height: 80px;
  outline: none;
  transition: border-color 0.2s;
  line-height: 1.5;
}

textarea:focus {
  border-color: var(--accent);
}
textarea::placeholder {
  color: var(--muted);
}

/* CONTROLS */
.control-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.control-row label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.control-row label span {
  color: var(--text);
  font-weight: 400;
}

input[type="range"] {
  width: 100%;
  height: 2px;
  -webkit-appearance: none;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  cursor: pointer;
  border-radius: 0;
}

input[type="range"]::-webkit-slider-runnable-track {
  background: linear-gradient(
    to right,
    var(--accent) 0%,
    var(--accent) var(--val, 50%),
    var(--border) var(--val, 50%)
  );
}

/* COLOR PICKER */
.color-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}

.color-swatch.active {
  border-color: var(--text);
}

.color-custom {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.color-custom input[type="color"] {
  position: absolute;
  inset: -4px;
  width: calc(100% + 8px);
  height: calc(100% + 8px);
  border: none;
  cursor: pointer;
  opacity: 0;
}

.color-custom .plus {
  color: var(--muted);
  font-size: 16px;
  pointer-events: none;
}

.recent-colors-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

/* ANIMATION SETTINGS */
select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  padding: 8px 10px;
  outline: none;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b6b7a'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

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

/* BUTTONS */
.btn-row {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
}

button {
  flex: 1;
  padding: 11px 16px;
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--color-background);
  font-weight: 500;
}

.btn-primary:hover {
  filter: brightness(1.15);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn-secondary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* MAIN PREVIEW */
main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}

.preview-tabs {
  display: flex;
  gap: 0;
}

.tab {
  padding: 6px 16px;
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  border: 1px solid var(--border);
  background: none;
  transition: all 0.15s;
  margin-right: -1px;
  flex: none;
}

.tab.active {
  color: var(--accent);
  border-color: var(--accent);
  z-index: 1;
  background: rgba(200, 255, 0, 0.05);
}

.preview-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Checkerboard bg */
.preview-area::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, var(--surface) 25%, transparent 25%),
    linear-gradient(-45deg, var(--surface) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--surface) 75%),
    linear-gradient(-45deg, transparent 75%, var(--surface) 75%);
  background-size: 20px 20px;
  background-position:
    0 0,
    0 10px,
    10px -10px,
    -10px 0px;
  background-color: var(--bg);
  opacity: 0.6;
}

#preview-svg-container {
  position: relative;
  z-index: 1;
  max-width: 90%;
  max-height: 80%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#preview-svg-container svg {
  max-width: 100%;
  max-height: 60vh;
}

.preview-placeholder {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  line-height: 2;
}

.preview-placeholder .big {
  font-size: 32px;
  display: block;
  margin-bottom: 12px;
  opacity: 0.3;
}

/* CODE VIEW */
#code-view {
  display: none;
  flex: 1;
  flex-direction: row;
  overflow: hidden;
}

/* STATUS BAR */
.status-bar {
  padding: 8px 24px;
  border-top: 1px solid var(--border);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  display: flex;
  gap: 20px;
}

.status-bar .stat {
  display: flex;
  gap: 6px;
}
.status-bar .stat span {
  color: var(--text);
}

/* REPLAY button */
.replay-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 10;
  padding: 8px 14px;
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}

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

/* SCROLLBAR */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
}

/* Error */
.error-msg {
  color: var(--color-secondary);
  font-size: 11px;
  margin-top: 6px;
  display: none;
}

/* Stroke width & color for mask stroke */
.stroke-mode-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.mode-pill {
  flex: 1;
  padding: 7px 10px;
  font-family: var(--font);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: none;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.mode-pill.active {
  border-color: var(--accent2);
  color: var(--accent2);
  background: rgba(255, 107, 53, 0.05);
}

/* CODE PANEL STYLES */
.code-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}
.code-panel:last-child {
  border-right: none;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.panel-label {
  font-family: var(--font);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.panel-actions {
  display: flex;
  gap: 6px;
}
.panel-btn {
  font-family: var(--font);
  font-size: 10px;
  padding: 4px 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: none;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.panel-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}
.panel-btn:disabled {
  opacity: 0.4;
  cursor: default;
}
.panel-content {
  flex: 1;
  overflow: auto;
  padding: 16px;
}
.panel-content pre {
  margin: 0;
  font-family: var(--font);
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
  white-space: pre-wrap;
  word-break: break-all;
}