@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;600;700&family=Roboto+Mono:wght@400;500&family=Playfair+Display:wght@400;700&display=swap");

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

body {
  font-family: "Inter", sans-serif;
  background-color: #0f172a;
  color: #f1f5f9;
  margin: 0;
}

/* ===== Scrollbar ===== */
.custom-scrollbar::-webkit-scrollbar {
  width: 5px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: #1e293b;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 10px;
}

/* ===== Range Sliders ===== */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: #334155;
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #6366f1;
  border: 2px solid #fff;
  cursor: pointer;
  transition: transform 0.15s;
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}
input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #6366f1;
  border: 2px solid #fff;
  cursor: pointer;
}
input[type="range"]:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* ===== Canvas Wrap ===== */
#canvas-wrap {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* ===== Gradient Previews ===== */
.gradient-preview {
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.gradient-preview:hover {
  transform: scale(1.1);
}
.gradient-preview.active {
  box-shadow: 0 0 0 2px #6366f1;
}

/* ===== Loading Overlay ===== */
#loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 100;
  place-items: center;
}

/* ===== Sidebar Section Headers ===== */
.section-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin-bottom: 0.75rem;
}

/* ===== Sidebar Section Toggle ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  padding: 0.5rem 0;
}
.section-header .chevron {
  transition: transform 0.2s;
}
.section-header.collapsed .chevron {
  transform: rotate(-90deg);
}
.section-content {
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.section-content.collapsed {
  max-height: 0 !important;
  overflow: hidden;
}

/* ===== Tabs ===== */
.tab-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 0.375rem;
  border: 1px solid #334155;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-btn:hover {
  background: #1e293b;
  color: #e2e8f0;
}
.tab-btn.active {
  background: #6366f1;
  color: #fff;
  border-color: #6366f1;
}

/* ===== Device Frames ===== */
.device-frame {
  position: relative;
  display: inline-block;
}

/* Mac frame */
.frame-macbook .frame-bar {
  height: 28px;
  background: var(--frame-color, #1e1e1e);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
}
.frame-macbook .frame-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.frame-macbook .frame-bar .dot.red { background: #ff5f57; }
.frame-macbook .frame-bar .dot.yellow { background: #febc2e; }
.frame-macbook .frame-bar .dot.green { background: #28c840; }
.frame-macbook .frame-body {
  background: var(--frame-color, #1e1e1e);
  padding: 0 3px 3px;
  border-radius: 0 0 8px 8px;
}

/* Browser frame */
.frame-browser .frame-bar {
  height: 36px;
  background: var(--frame-color, #1e1e1e);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
}
.frame-browser .frame-bar .dots {
  display: flex;
  gap: 5px;
}
.frame-browser .frame-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.frame-browser .frame-bar .dot.red { background: #ff5f57; }
.frame-browser .frame-bar .dot.yellow { background: #febc2e; }
.frame-browser .frame-bar .dot.green { background: #28c840; }
.frame-browser .frame-bar .url-bar {
  flex: 1;
  height: 22px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 10px;
  color: #94a3b8;
}
.frame-browser .frame-body {
  background: var(--frame-color, #1e1e1e);
  padding: 0 3px 3px;
  border-radius: 0 0 8px 8px;
}

/* Windows frame */
.frame-windows .frame-bar {
  height: 32px;
  background: var(--frame-color, #1e1e1e);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
}
.frame-windows .frame-bar .title {
  font-size: 11px;
  color: #94a3b8;
  margin-left: 4px;
}
.frame-windows .frame-bar .controls {
  display: flex;
  gap: 2px;
}
.frame-windows .frame-bar .win-btn {
  width: 32px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: #94a3b8;
  font-size: 14px;
}
.frame-windows .frame-bar .win-btn:hover {
  background: rgba(255,255,255,0.1);
}
.frame-windows .frame-bar .win-btn.close:hover {
  background: #e81123;
  color: #fff;
}
.frame-windows .frame-body {
  background: var(--frame-color, #1e1e1e);
  padding: 0 3px 3px;
  border-radius: 0 0 8px 8px;
}

/* iPhone frame */
.frame-iphone {
  background: var(--frame-color, #1e1e1e);
  border-radius: 36px;
  padding: 12px 8px;
  position: relative;
}
.frame-iphone .notch {
  width: 100px;
  height: 20px;
  background: var(--frame-color, #1e1e1e);
  border-radius: 0 0 14px 14px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.frame-iphone .frame-body {
  border-radius: 28px;
  overflow: hidden;
}

/* iPad frame */
.frame-ipad {
  background: var(--frame-color, #1e1e1e);
  border-radius: 18px;
  padding: 14px;
}
.frame-ipad .frame-body {
  border-radius: 6px;
  overflow: hidden;
}

/* ===== Text Overlays ===== */
.text-overlay {
  position: absolute;
  cursor: move;
  user-select: none;
  z-index: 10;
  white-space: nowrap;
}
.text-overlay:hover {
  outline: 2px dashed rgba(99, 102, 241, 0.6);
  outline-offset: 4px;
}
.text-overlay.editing {
  cursor: text;
  outline: 2px solid #6366f1;
  outline-offset: 4px;
}
.text-overlay.dragging {
  opacity: 0.85;
}

/* ===== Branding Elements ===== */
.brand-logo {
  position: absolute;
  z-index: 11;
  pointer-events: none;
}
.brand-watermark {
  position: absolute;
  z-index: 11;
  pointer-events: none;
  white-space: nowrap;
}

/* ===== Preset Cards ===== */
.preset-card {
  cursor: pointer;
  border: 2px solid #334155;
  border-radius: 0.5rem;
  overflow: hidden;
  transition: all 0.2s;
}
.preset-card:hover {
  border-color: #6366f1;
  transform: translateY(-2px);
}
.preset-card.active {
  border-color: #6366f1;
  box-shadow: 0 0 0 1px #6366f1;
}

/* ===== Pattern Backgrounds ===== */
.pattern-dots {
  background-image: radial-gradient(circle, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 20px 20px;
}
.pattern-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}
.pattern-noise {
  position: relative;
}
.pattern-noise::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
}
.pattern-mesh {
  background:
    radial-gradient(at 40% 20%, rgba(99,102,241,0.3) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(236,72,153,0.3) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(34,211,238,0.3) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(168,85,247,0.3) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(249,115,22,0.3) 0px, transparent 50%);
}

/* ===== Blur Background ===== */
.blur-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}

/* ===== Button Styles ===== */
.btn-primary {
  background: #6366f1;
  color: #fff;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s;
  font-size: 0.875rem;
}
.btn-primary:hover {
  background: #4f46e5;
}
.btn-primary:active {
  transform: scale(0.95);
}

.btn-secondary {
  background: #1e293b;
  color: #e2e8f0;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid #334155;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s;
  font-size: 0.8rem;
}
.btn-secondary:hover {
  background: #334155;
}

/* ===== Toggle Switch ===== */
.toggle-switch {
  position: relative;
  width: 36px;
  height: 20px;
  background: #334155;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-switch.active {
  background: #6366f1;
}
.toggle-switch::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform 0.2s;
}
.toggle-switch.active::after {
  transform: translateX(16px);
}

/* ===== Color Swatch ===== */
.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid #334155;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}
.color-swatch:hover {
  transform: scale(1.15);
  border-color: #6366f1;
}

/* ===== Text Layer Controls ===== */
.text-layer-item {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}
.text-layer-item.active {
  border-color: #6366f1;
}

/* ===== Drop Zone ===== */
.drop-zone {
  border: 2px dashed #334155;
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(30, 41, 59, 0.5);
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.05);
}

/* ===== Select Dropdown ===== */
.custom-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.375rem;
  color: #e2e8f0;
  font-size: 0.8rem;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}
.custom-select:focus {
  border-color: #6366f1;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .sidebar-left,
  .sidebar-right {
    position: fixed;
    top: 64px;
    bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  .sidebar-left { left: 0; }
  .sidebar-right { right: 0; transform: translateX(100%); }
  .sidebar-left.open { transform: translateX(0); }
  .sidebar-right.open { transform: translateX(0); }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    top: 64px;
    background: rgba(0,0,0,0.5);
    z-index: 40;
  }
  .sidebar-overlay.open { display: block; }
  .mobile-toggle { display: flex !important; }
}

@media (min-width: 1025px) {
  .mobile-toggle { display: none !important; }
  .sidebar-overlay { display: none !important; }
}

/* ===== Accessibility ===== */
:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* ===== Tooltip ===== */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: #1e293b;
  color: #e2e8f0;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 99;
  border: 1px solid #334155;
}
[data-tooltip]:hover::after {
  opacity: 1;
}

/* ===== Donation Modal ===== */
.donation-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.donation-modal-overlay.open {
  display: flex;
  animation: fadeIn 0.2s ease;
}
.donation-modal {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 1rem;
  padding: 1.75rem;
  width: 90%;
  max-width: 400px;
  position: relative;
  animation: scaleIn 0.2s ease;
}
.donation-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: none;
  border: none;
  color: #64748b;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s;
}
.donation-close:hover {
  color: #e2e8f0;
}
.donation-preset {
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  border: 1px solid #334155;
  background: #1e293b;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.15s;
}
.donation-preset:hover {
  border-color: #6366f1;
  color: #e2e8f0;
}
.donation-preset.active {
  background: #6366f1;
  border-color: #6366f1;
  color: #fff;
}

/* Hide number input spinners */
#donation-amount::-webkit-inner-spin-button,
#donation-amount::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
#donation-amount[type="number"] {
  -moz-appearance: textfield;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #fff;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s ease;
}
.toast.show {
  opacity: 1;
  transform: translateX(0);
}
.toast-success {
  background: #059669;
  border: 1px solid #10b981;
}
.toast-info {
  background: #475569;
  border: 1px solid #64748b;
}

/* ── Mobile "Desktop Mode Required" Overlay ── */
#mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0f172a;
  color: #f1f5f9;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  text-align: center;
  overflow-y: auto;
}
#mobile-overlay .mo-icon {
  width: 64px;
  height: 64px;
  color: #818cf8;
  margin-bottom: 1.25rem;
}
#mobile-overlay h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
#mobile-overlay .mo-subtitle {
  color: #94a3b8;
  font-size: 0.95rem;
  max-width: 360px;
  margin-bottom: 1.75rem;
  line-height: 1.5;
}
#mobile-overlay .mo-browser {
  width: 100%;
  max-width: 380px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}
#mobile-overlay .mo-browser-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: 0.9rem;
}
#mobile-overlay .mo-browser-header .mo-arrow {
  margin-left: auto;
  transition: transform 0.2s;
  font-size: 0.75rem;
  color: #64748b;
}
#mobile-overlay .mo-browser.open .mo-arrow {
  transform: rotate(180deg);
}
#mobile-overlay .mo-browser-body {
  display: none;
  padding: 0 1rem 0.85rem;
}
#mobile-overlay .mo-browser.open .mo-browser-body {
  display: block;
}
#mobile-overlay .mo-step {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: #cbd5e1;
  text-align: left;
  line-height: 1.45;
}
#mobile-overlay .mo-step-num {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #6366f1;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 1024px) {
  #mobile-overlay {
    display: flex;
    animation: fadeIn 0.3s ease;
  }
}