:root {
  --bg: #0a0d12;
  --bg-darker: #050608;
  --panel: #10161f;
  --panel-alt: #0d1119;
  --panel-strong: #151d28;
  --line: #253142;
  --line-soft: #1a202c;
  --text: #edf2f7;
  --text-secondary: #b8c4d4;
  --text-tertiary: #98a7bb;
  --muted: #787f8f;
  --accent: #f2c94c;
  --accent-hover: #efb537;
  --success: #45d7a4;
  --danger: #ff7676;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.25);
  --shadow-accent: 0 12px 32px rgba(242, 201, 76, 0.28);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-full: 999px;
  --poster-ratio: 2480 / 3508;
  --left-panel-width: 280px;
  --right-panel-width: 300px;
  --topbar-height: 48px;
  --app-max-width: 1920px;
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "DM Mono", monospace;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: linear-gradient(180deg, #080a0f 0%, #0d121a 100%);
  color: var(--text);
  font-family: var(--font-body);
  overflow: hidden;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
}

/* APP CONTAINER */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  background: linear-gradient(180deg, #080a0f 0%, #0d121a 100%);
  transform: scale(0.65);
  transform-origin: top left;
  width: 153.85%;
  height: 153.85%;
}

/* TOPBAR */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  padding: 0 20px;
  background: rgba(8, 11, 16, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
  gap: 20px;
  flex-shrink: 0;
}

.topbar-left,
.topbar-center,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-left {
  min-width: 180px;
}

.topbar-center {
  flex: 1;
  justify-content: center;
}

.topbar-right {
  min-width: auto;
}

.app-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.app-title {
  margin: 0;
  font: 700 18px/1 var(--font-display);
  letter-spacing: 0.12em;
  color: var(--accent);
}

.app-subtitle {
  font: 400 11px/1 var(--font-mono);
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.status-info {
  display: flex;
  align-items: center;
  gap: 24px;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.zoom-indicator,
.resolution-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.resolution-indicator {
  color: var(--accent);
  font-weight: 600;
}

.search-hint-topbar {
  font: 11px/1 var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin: 0;
  opacity: 0.8;
}

.search-hint-topbar[data-state="success"] {
  color: var(--success);
}

.search-hint-topbar[data-state="error"] {
  color: var(--danger);
}

.topbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 16px;
}

.topbar-btn:hover {
  border-color: rgba(242, 201, 76, 0.4);
  background: rgba(242, 201, 76, 0.08);
  color: var(--accent);
}

.topbar-btn:active {
  transform: scale(0.95);
}

/* MAIN LAYOUT */
.main {
  display: grid;
  grid-template-columns: var(--left-panel-width) 1fr var(--right-panel-width);
  grid-template-areas: "left-panel canvas-area right-panel";
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  gap: 0;
  min-width: 0;
  max-width: var(--app-max-width);
  margin: 0 auto;
  width: 100%;
}

/* LEFT PANEL */
.left-panel {
  grid-area: left-panel;
  background: rgba(8, 11, 16, 0.88);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 30;
}

.panel-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  padding: 16px 14px;
}

.panel-scroll::-webkit-scrollbar {
  width: 6px;
}

.panel-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.panel-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.panel-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.panel-header {
  padding: 16px 8px;
  margin-bottom: 16px;
}

.panel-eyebrow {
  margin: 0 0 4px;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.panel-header h2 {
  margin: 0;
  font: 400 16px/1.2 var(--font-display);
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* SECTIONS & COLLAPSIBLE */
.panel-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
  padding: 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  border: none;
  background: rgba(21, 29, 40, 0.5);
  padding: 11px 13px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font: 500 11px/1.3 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-header:hover {
  background: rgba(21, 29, 40, 0.6);
  color: var(--accent);
}

.section-header .chevron {
  transition: transform var(--transition-normal);
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.collapsible.collapsed .section-header .chevron {
  transform: rotate(-90deg);
}

.collapsible.collapsed .section-content {
  display: none;
}

.section-content {
  display: grid;
  gap: 12px;
  animation: slideDown var(--transition-normal);
  padding: 0 1px;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-label {
  margin: 0;
  font: 500 11px/1.4 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* CANVAS AREA */
.canvas-area {
  grid-area: canvas-area;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: radial-gradient(circle at center, rgba(242, 201, 76, 0.02), transparent 60%),
              linear-gradient(180deg, #0a0d14, #0f141e);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
  position: relative;
  min-width: 0;
  gap: 24px;
}

/* RIGHT PANEL */
.right-panel {
  grid-area: right-panel;
  background: rgba(8, 11, 16, 0.88);
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 30;
}

/* TABS */
.panel-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0;
  flex-shrink: 0;
  background: rgba(10, 15, 22, 0.5);
}

.tab-btn {
  flex: 1;
  padding: 11px 14px;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-btn:hover {
  color: var(--text-secondary);
  background: rgba(242, 201, 76, 0.05);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content {
  display: none;
  overflow-y: auto;
  flex: 1;
  padding: 14px 12px;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* RESIZE HANDLES */
.resize-handle {
  display: none;
  width: 10px;
  height: 100%;
  background: transparent;
  cursor: col-resize;
  position: relative;
  user-select: none;
  flex-shrink: 0;
}

.resize-handle::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: transparent;
  opacity: 0;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
}

.resize-handle:hover::after {
  opacity: 1;
  background: rgba(242, 201, 76, 0.3);
}

.resize-handle:active::after {
  background: var(--accent);
  opacity: 1;
}

/* FORM COMPONENTS */
.text-input,
.select-input {
  border: 1px solid var(--line-soft);
  background: var(--panel-strong);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 9px 13px;
  font: 500 13px/1.4 var(--font-body);
  transition: all var(--transition-fast);
  width: 100%;
  min-height: 36px;
}

.text-input::placeholder {
  color: var(--text-tertiary);
}

.text-input:hover,
.select-input:hover {
  border-color: rgba(242, 201, 76, 0.2);
  background: rgba(21, 29, 40, 0.95);
}

.text-input:focus,
.select-input:focus {
  outline: 2px solid rgba(242, 201, 76, 0.35);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(242, 201, 76, 0.08);
  background: var(--panel-strong);
}

.color-input {
  width: 50px;
  height: 36px;
  min-height: unset;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border var(--transition-fast);
}

.color-input:hover {
  border-color: rgba(242, 201, 76, 0.2);
}

.color-input:focus {
  outline: 2px solid rgba(242, 201, 76, 0.35);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(242, 201, 76, 0.08);
}

.input-label {
  margin: 0;
  font: 500 10px/1.3 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.search-row,
.slider-wrap {
  display: flex;
  gap: 8px;
  align-items: center;
}

.search-row {
  width: 100%;
  min-height: 36px;
}

.search-row .btn {
  flex-shrink: 0;
  width: auto;
  padding: 9px 14px;
  min-height: 36px;
}

.control-label {
  font: 500 12px/1 var(--font-body);
  color: var(--text-secondary);
  margin: 0;
}

.slider-wrap {
  gap: 10px;
  width: 100%;
  min-height: 24px;
}

.slider-wrap input {
  flex: 1;
  min-width: 0;
}

.slider-wrap span {
  min-width: 48px;
  text-align: right;
  font: 500 0.85rem/1 var(--font-mono);
  color: var(--accent);
  flex-shrink: 0;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(90deg, rgba(242, 201, 76, 0.2), rgba(242, 201, 76, 0.1));
  border-radius: 2px;
  transition: box-shadow var(--transition-fast);
}

input[type="range"]:hover {
  box-shadow: 0 0 12px rgba(242, 201, 76, 0.15);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 4px 12px rgba(242, 201, 76, 0.25);
  transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.color-input {
  width: 44px;
  height: 44px;
  border: 2px solid rgba(242, 201, 76, 0.2);
  background: transparent;
  padding: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.color-input:hover {
  border-color: rgba(242, 201, 76, 0.5);
  box-shadow: 0 0 12px rgba(242, 201, 76, 0.15);
}

/* BUTTON */
.btn {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--panel-strong);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font: 600 12px/1.2 var(--font-body);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(242, 201, 76, 0.5);
  background: rgba(21, 29, 40, 0.95);
  box-shadow: 0 4px 12px rgba(242, 201, 76, 0.08);
}

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

.btn-secondary {
  background: var(--panel-strong);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  border-color: rgba(242, 201, 76, 0.3);
  box-shadow: 0 4px 12px rgba(242, 201, 76, 0.08);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #141414;
  border: none;
  width: 100%;
  box-shadow: 0 8px 24px rgba(242, 201, 76, 0.18);
}

.btn-accent:hover {
  box-shadow: 0 12px 32px rgba(242, 201, 76, 0.28);
}

/* LAYER & CONTROL ROWS */
.layer-row,
.control-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: 11px 13px;
  transition: all var(--transition-fast);
  min-height: 44px;
}

.layer-row:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(242, 201, 76, 0.1);
}

/* TOGGLE SWITCH */
.toggle {
  position: relative;
  display: inline-flex;
  width: 46px;
  height: 28px;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle span {
  position: absolute;
  inset: 0;
  background: #263141;
  border-radius: var(--radius-full);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle span::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #d8e0ea;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle input:checked + span {
  background: rgba(242, 201, 76, 0.45);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), 0 0 12px rgba(242, 201, 76, 0.15);
}

.toggle input:checked + span::after {
  transform: translateX(18px);
  background: var(--accent);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

/* PRESET GRID */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.preset-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font: 500 11px/1.2 var(--font-mono);
  width: 100%;
  color: var(--text-secondary);
  min-height: 40px;
  justify-content: flex-start;
}

.preset-btn:hover {
  border-color: rgba(242, 201, 76, 0.3);
  background: rgba(242, 201, 76, 0.05);
  color: var(--text);
}

.preset-btn.active {
  border-color: var(--accent);
  background: rgba(242, 201, 76, 0.12);
  box-shadow: 0 0 0 3px rgba(242, 201, 76, 0.08);
  color: var(--accent);
}

.preset-swatch {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

/* EXPORT INFO */
.export-info {
  background: rgba(242, 201, 76, 0.08);
  border: 1px solid rgba(242, 201, 76, 0.2);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 10px;
}

.export-label {
  margin: 0 0 6px;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.export-details {
  margin: 0;
  font: 600 13px/1.3 var(--font-body);
  color: var(--accent);
  letter-spacing: 0.02em;
}

.tips-list {
  margin: 0;
  padding: 0 0 0 18px;
  font: 12px/1.7 var(--font-body);
  color: var(--text-secondary);
  list-style: disc;
}

.tips-list li {
  margin-bottom: 6px;
  color: var(--text-tertiary);
}

.muted-text {
  margin: 0;
  font: 13px/1.6 var(--font-body);
  color: var(--text-tertiary);
}

/* POSTER SURFACE & MAP */
.poster-surface {
  position: relative;
  aspect-ratio: var(--poster-ratio);
  width: clamp(300px, 75%, 650px);
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 
    0 24px 48px rgba(0, 0, 0, 0.4),
    0 0 40px rgba(242, 201, 76, 0.03);
  background: var(--bg-darker);
  transition: box-shadow var(--transition-normal);
}

#map,
.overlay-capture,
.map-loading {
  position: absolute;
  inset: 0;
}

#map {
  z-index: 1;
}

#map canvas {
  transition: filter var(--transition-fast);
}

.overlay-capture {
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(16px, 3vw, 32px);
  z-index: 5;
}

.poster-header {
  max-width: 85%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.poster-header[hidden] {
  display: none !important;
}

.poster-title {
  margin: 0;
  font: 400 clamp(2rem, 5vw, 4.6rem)/0.95 var(--font-display);
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.42);
}

.poster-title[hidden] {
  display: none !important;
}

.poster-subtitle {
  margin: 10px 0 0;
  font: 500 clamp(0.8rem, 1.5vw, 1rem)/1.4 var(--font-mono);
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.62);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.poster-subtitle[hidden] {
  display: none !important;
}

.poster-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
}

.city-label-overlay {
  display: grid;
  gap: 8px;
}

.city-label-overlay[hidden] {
  display: none !important;
}

.city-name-display {
  margin: 0;
  font: 400 clamp(2.6rem, 5vw, 5.2rem)/0.92 var(--font-display);
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 10px 28px rgba(0, 0, 0, 0.36);
}

.city-name-display[hidden] {
  display: none !important;
}

.city-coords-display {
  margin: 0;
  font: 500 clamp(0.75rem, 1.2vw, 0.95rem)/1.4 var(--font-mono);
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.city-coords-display[hidden] {
  display: none !important;
}

/* LOADING SPINNER */
.map-loading {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  gap: 16px;
  background: rgba(5, 6, 8, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10;
  flex-direction: column;
  padding: 30px;
  border-radius: var(--radius-lg);
}

.map-loading:not([hidden]) {
  display: grid !important;
}

.spinner {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.08);
  border-top-color: var(--accent);
  border-right-color: rgba(242, 201, 76, 0.5);
  animation: spin 1.2s linear infinite;
  box-shadow: 
    inset 0 0 0 1px rgba(242, 201, 76, 0.05),
    0 0 30px rgba(242, 201, 76, 0.18),
    0 0 60px rgba(242, 201, 76, 0.08);
  will-change: transform;
}

.map-loading p {
  margin: 0;
  color: var(--accent);
  font: 500 0.98rem/1.5 var(--font-body);
  letter-spacing: 0.05em;
  text-align: center;
}

/* MAPLIBRE CUSTOMIZATION */
.maplibregl-ctrl-attrib,
.maplibregl-ctrl-logo {
  display: none !important;
}

.search-hint {
  display: none;
}

.search-hint[data-state="success"] {
  display: block;
  color: var(--success);
  font: 11px/1.4 var(--font-mono);
}

.search-hint[data-state="error"] {
  display: block;
  color: var(--danger);
  font: 11px/1.4 var(--font-mono);
}

/* MOBILE TOGGLE */
.mobile-toggle {
  display: none;
}

/* ANIMATIONS */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes preview-fadein {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE DESIGN */
@media (max-width: 1600px) {
  .main {
    grid-template-columns: var(--left-panel-width) 1fr var(--right-panel-width);
  }
  
  .poster-surface {
    width: clamp(260px, 70%, 550px);
  }
}

@media (max-width: 1400px) {
  .main {
    grid-template-columns: var(--left-panel-width) 1fr var(--right-panel-width);
  }
  
  .poster-surface {
    width: clamp(240px, 65%, 480px);
  }
}

@media (max-width: 1200px) {
  .topbar {
    padding: 0 18px;
  }
  
  .status-info {
    flex-direction: column;
    gap: 8px;
    font-size: 11px;
  }
  
  .resolution-indicator {
    display: none;
  }
  
  .main {
    grid-template-columns: 260px 1fr 280px;
  }
  
  .canvas-area {
    padding: 20px;
  }
  
  .poster-surface {
    width: clamp(220px, 60%, 450px);
  }
  
  .topbar-left {
    min-width: 150px;
  }
  
  .app-title {
    font-size: 16px;
  }
  
  .app-subtitle {
    font-size: 9px;
  }
}

@media (max-width: 1080px) {
  .topbar {
    padding: 0 16px;
    gap: 12px;
  }
  
  .topbar-left {
    min-width: auto;
  }
  
  .topbar-center {
    display: none;
  }
  
  .main {
    grid-template-columns: 1fr;
    grid-template-areas: "canvas-area";
    position: relative;
  }
  
  .left-panel {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(85vw, 300px);
    height: calc(100vh - var(--topbar-height));
    top: var(--topbar-height);
    z-index: 1000;
    transform: translateX(-102%);
    transition: transform var(--transition-normal);
    box-shadow: 2px 0 16px rgba(0, 0, 0, 0.5);
  }
  
  .left-panel.open {
    transform: translateX(0);
  }
  
  .right-panel {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(85vw, 300px);
    height: calc(100vh - var(--topbar-height));
    top: var(--topbar-height);
    z-index: 1000;
    transform: translateX(102%);
    transition: transform var(--transition-normal);
    box-shadow: -2px 0 16px rgba(0, 0, 0, 0.5);
  }
  
  .right-panel.open {
    transform: translateX(0);
  }
  
  .resize-handle {
    display: none !important;
  }
  
  .mobile-toggle {
    display: inline-flex;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 30;
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 14px;
    background: rgba(16, 22, 31, 0.95);
    color: var(--text);
    box-shadow: var(--shadow-sm);
    font: 600 11px/1 var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
  }
  
  .mobile-toggle:hover {
    background: rgba(16, 22, 31, 0.99);
    border-color: rgba(242, 201, 76, 0.3);
  }
  
  .canvas-area {
    padding: 60px 16px 16px;
  }
  
  .poster-surface {
    width: clamp(200px, 70%, 480px);
  }
}

@media (max-width: 720px) {
  .app-subtitle {
    display: none;
  }
  
  .search-hint-topbar {
    display: none;
  }
  
  .topbar-right {
    gap: 8px;
  }
  
  .topbar-btn {
    width: 32px;
    height: 32px;
  }
  
  .poster-surface {
    width: 100%;
  }
  
  .preset-grid {
    grid-template-columns: 1fr;
  }
  
  .poster-header {
    max-width: 100%;
  }
  
  .poster-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .mobile-toggle {
    top: 8px;
    left: 8px;
    padding: 6px 12px;
    font-size: 10px;
  }
}

/* ULTRA-WIDE SCREENS */
@media (min-width: 1921px) {
  .main {
    margin-left: auto;
    margin-right: auto;
  }
  
  .canvas-area {
    padding: 32px;
  }
  
  .poster-surface {
    width: clamp(400px, 80%, 750px);
  }
  
  .topbar {
    padding: 0 32px;
  }
}

/* 4K SCREENS */
@media (min-width: 2560px) {
  .topbar {
    padding: 0 48px;
    height: 56px;
  }
  
  .canvas-area {
    padding: 40px;
  }
  
  .poster-surface {
    width: clamp(400px, 60%, 700px);
  }
  
  .right-panel {
    --left-panel-width: 320px;
    --right-panel-width: 340px;
  }
}

/* PRINT STYLES - Ensure clean printing */
@media print {
  * {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
  }

  body, html {
    width: 100%;
    height: 100%;
    background: white !important;
  }

  .print-container img {
    width: 100%;
    height: auto;
    display: block;
  }

  /* Hide all UI elements during print */
  .app, .topbar, .left-panel, .right-panel, .mobile-toggle,
  .resize-handle, .map-loading, [data-export-ignore="true"] {
    display: none !important;