/* ── Reset & Variables ───────────────────────────────────── */
:root {
  --hue: 255;
  --accent-h: 252;
  --bg-deep: oklch(8% 0.015 var(--hue));
  --bg-surface: oklch(13% 0.018 var(--hue));
  --bg-elevated: oklch(17% 0.02 var(--hue));
  --glass-bg: oklch(100% 0 0 / 3.5%);
  --glass-border: oklch(100% 0 0 / 6%);
  --glass-border-hover: oklch(100% 0 0 / 14%);
  --glass-shadow: 0 8px 40px oklch(0% 0 0 / 55%);
  --accent: oklch(70% 0.2 var(--hue));
  --accent-dim: oklch(55% 0.16 var(--hue));
  --accent-bg: oklch(70% 0.2 var(--hue) / 10%);
  --accent-glow: oklch(70% 0.2 var(--hue) / 25%);
  --text: oklch(93% 0.008 var(--hue));
  --text-dim: oklch(68% 0.025 var(--hue));
  --text-muted: oklch(48% 0.03 var(--hue));
  --success: oklch(78% 0.18 150);
  --success-bg: oklch(78% 0.18 150 / 10%);
  --error: oklch(72% 0.19 25);
  --error-bg: oklch(72% 0.19 25 / 10%);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', monospace;
}

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

html,
body {
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Background Layers ──────────────────────────────────── */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-orbs::before {
  content: '';
  position: absolute;
  width: 90vmax;
  height: 90vmax;
  top: -25vmax;
  right: -15vmax;
  background: radial-gradient(circle, oklch(70% 0.22 var(--hue) / 7%) 0%, transparent 55%);
  animation: orbFloat 35s var(--ease) infinite alternate;
}

.bg-orbs::after {
  content: '';
  position: absolute;
  width: 70vmax;
  height: 70vmax;
  bottom: -20vmax;
  left: -15vmax;
  background: radial-gradient(circle, oklch(50% 0.25 calc(var(--hue) + 50) / 5%) 0%, transparent 55%);
  animation: orbFloat 28s var(--ease) infinite alternate-reverse;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  100% { transform: translate(4%, -4%) scale(1.1) rotate(6deg); }
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(oklch(100% 0 0 / 1.5%) 1px, transparent 1px),
    linear-gradient(90deg, oklch(100% 0 0 / 1.5%) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 40%, black 20%, transparent 70%);
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 90% 70% at 50% 0%, oklch(70% 0.2 var(--hue) / 2.5%) 0%, transparent 65%);
}

/* ── App Shell ──────────────────────────────────────────── */
.app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding: 12px;
  gap: 10px;
}

/* ── Top Bar ────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 10px 16px;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(28px) saturate(1.2);
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text);
  user-select: none;
}

.logo-icon {
  color: var(--accent);
  width: 20px;
  height: 20px;
}

.logo-badge {
  font-size: 9.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--accent-bg);
  color: var(--accent);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  display: none;
}

@media (min-width: 640px) {
  .logo-badge { display: inline; }
}

.topbar-center {
  display: none;
}

@media (min-width: 768px) {
  .topbar-center { display: flex; }
}

.view-tabs {
  display: flex;
  background: oklch(100% 0 0 / 3%);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}

.view-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
}

.view-tab:hover {
  color: var(--text);
  background: oklch(100% 0 0 / 4%);
}

.view-tab.active {
  color: var(--text);
  background: oklch(100% 0 0 / 8%);
  box-shadow: 0 1px 3px oklch(0% 0 0 / 20%);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Deploy Button ──────────────────────────────────────── */
.btn-deploy {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), oklch(58% 0.18 var(--hue)));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s var(--ease-out), box-shadow 0.2s var(--ease-out);
  box-shadow: 0 2px 16px var(--accent-glow);
}

.btn-deploy:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-deploy:active {
  transform: scale(0.97);
}

.btn-deploy:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid oklch(100% 0 0 / 30%);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-deploy.deploying .btn-spinner {
  display: block;
}

.btn-deploy.deploying svg,
.btn-deploy.deploying span {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Ghost Button ───────────────────────────────────────── */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s var(--ease-out);
}

.btn-ghost:hover {
  background: oklch(100% 0 0 / 6%);
  color: var(--text);
}

.btn-ghost:active {
  background: oklch(100% 0 0 / 10%);
}

/* ── Workspace (Main Content) ───────────────────────────── */
.workspace {
  display: flex;
  gap: 10px;
  flex: 1;
  min-height: 0;
}

/* ── Panels ─────────────────────────────────────────────── */
.panel {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(1.15);
  -webkit-backdrop-filter: blur(24px) saturate(1.15);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: border-color 0.25s var(--ease-out);
}

.panel:focus-within {
  border-color: var(--glass-border-hover);
}

.panel-editor {
  flex: 7;
  min-width: 0;
}

.panel-preview {
  flex: 3;
  min-width: 0;
  position: relative;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
  min-height: 40px;
}

.panel-head-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-head-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.panel-label svg {
  opacity: 0.5;
}

.panel-info {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── Badge ──────────────────────────────────────────────── */
.badge {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 8px;
  border-radius: 10px;
}

.badge-live {
  background: var(--success-bg);
  color: var(--success);
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Editor Area ────────────────────────────────────────── */
.editor-wrap {
  flex: 1;
  min-height: 0;
  position: relative;
}

.editor-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
  z-index: 10;
  padding: 24px;
}

.editor-empty-icon {
  color: var(--text-muted);
  opacity: 0.3;
  margin-bottom: 4px;
}

.editor-empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: -0.3px;
}

.editor-empty-hint {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}

.editor-empty-hint kbd {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  background: oklch(100% 0 0 / 6%);
  border: 1px solid oklch(100% 0 0 / 8%);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
}

/* ── Vertical Divider (draggable) ───────────────────────── */
.divider {
  width: 5px;
  cursor: col-resize;
  flex-shrink: 0;
  border-radius: 3px;
  background: transparent;
  transition: background 0.2s var(--ease-out);
  position: relative;
  margin: 0 -1px;
  z-index: 2;
}

.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3px;
  height: 32px;
  border-radius: 2px;
  background: oklch(100% 0 0 / 8%);
  transition: all 0.2s var(--ease-out);
}

.divider:hover::after,
.divider.active::after {
  background: var(--accent);
  height: 48px;
  opacity: 0.6;
}

.divider:hover,
.divider.active {
  background: transparent;
}

/* ── Preview Area ───────────────────────────────────────── */
.preview-area {
  flex: 1;
  position: relative;
  min-height: 0;
  background: oklch(100% 0 0 / 3%);
  overflow: hidden;
}

.preview-area::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px oklch(100% 0 0 / 4%);
  z-index: 2;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.preview-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-muted);
  background: var(--bg-surface);
  z-index: 1;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.preview-placeholder-icon {
  opacity: 0.2;
  margin-bottom: 2px;
}

.preview-placeholder-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: -0.2px;
}

.preview-placeholder-hint {
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 400;
}

.preview-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  background: #fff;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ── Result Card (slide-up on deploy) ───────────────────── */
.result-card {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: oklch(14% 0.025 var(--hue) / 96%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--glass-border);
  z-index: 5;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease);
}

.result-card.visible {
  transform: translateY(0);
  opacity: 1;
}

.result-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--success), transparent);
}

.result-icon-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success);
}

.result-body {
  flex: 1;
  min-width: 0;
}

.result-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.result-url-wrap {
  display: flex;
  gap: 6px;
}

.result-url {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  background: oklch(100% 0 0 / 5%);
  border: 1px solid oklch(100% 0 0 / 8%);
  border-radius: 6px;
  color: var(--text);
  font-size: 12.5px;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.15s var(--ease-out);
}

.result-url:focus {
  border-color: var(--accent);
}

.btn-copy {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 6px;
  background: var(--accent-bg);
  color: var(--accent);
  cursor: pointer;
  transition: all 0.15s var(--ease-out);
}

.btn-copy:hover {
  background: var(--accent);
  color: #fff;
}

.btn-copy:active {
  transform: scale(0.92);
}

.btn-copy.copied {
  background: var(--success);
  color: #fff;
}

.result-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  background: oklch(100% 0 0 / 5%);
  color: var(--text-dim);
  border: none;
  cursor: pointer;
  transition: all 0.15s var(--ease-out);
}

.btn-action:hover {
  background: oklch(100% 0 0 / 10%);
  color: var(--text);
}

.btn-action:active {
  transform: scale(0.96);
}

.btn-action svg {
  opacity: 0.6;
}

.result-dismiss {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s var(--ease-out);
}

.result-dismiss:hover {
  background: oklch(100% 0 0 / 8%);
  color: var(--text);
}

/* ── Drawer (Projects Sidebar) ──────────────────────────── */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}

.drawer.open {
  display: block;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: oklch(0% 0 0 / 55%);
  animation: fadeIn 0.2s var(--ease-out);
}

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

.drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 340px;
  max-width: 90vw;
  background: var(--bg-elevated);
  border-left: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  animation: drawerIn 0.25s var(--ease);
  box-shadow: -8px 0 40px oklch(0% 0 0 / 40%);
}

@keyframes drawerIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.drawer-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.projects-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 48px 20px;
  text-align: center;
  color: var(--text-muted);
}

.projects-empty p {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

.projects-empty span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Project Item ───────────────────────────────────────── */
.project-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  background: oklch(100% 0 0 / 3%);
  transition: background 0.15s var(--ease-out);
  border: 1px solid transparent;
}

.project-item:hover {
  background: oklch(100% 0 0 / 5%);
  border-color: oklch(100% 0 0 / 5%);
}

.project-item-code {
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text);
  margin-bottom: 6px;
}

.project-item-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.project-item-actions {
  display: flex;
  gap: 6px;
}

.project-item-btn {
  padding: 5px 12px;
  border: 1px solid oklch(100% 0 0 / 8%);
  border-radius: 6px;
  background: transparent;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s var(--ease-out);
}

.project-item-btn:hover {
  background: oklch(100% 0 0 / 6%);
  color: var(--text);
  border-color: oklch(100% 0 0 / 14%);
}

.project-item-btn.danger:hover {
  border-color: var(--error);
  background: var(--error-bg);
  color: var(--error);
}

/* ── Toast ──────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: oklch(16% 0.02 var(--hue) / 94%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 8px 40px oklch(0% 0 0 / 50%);
  animation: toastIn 0.28s var(--ease);
  pointer-events: auto;
  min-width: 200px;
  max-width: 380px;
}

.toast.removing {
  animation: toastOut 0.2s var(--ease-in) forwards;
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--error); }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: oklch(100% 0 0 / 6%); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: oklch(100% 0 0 / 12%); }

/* ── Monaco Overrides ───────────────────────────────────── */
.monaco-editor .margin,
.monaco-editor .monaco-editor-background {
  background: transparent !important;
}

.monaco-editor .minimap-decorations-layer {
  opacity: 0.4;
}

.monaco-editor .cursors-layer .cursor {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 820px) {
  .app { padding: 10px; gap: 8px; }

  .workspace { flex-direction: column; }
  .panel-editor { flex: 1; }
  .panel-preview { flex: 0 0 45vh; }
  .divider { display: none; }

  .topbar { padding: 8px 14px; border-radius: var(--radius-lg); }
  .topbar-center { display: none; }

  .result-card {
    padding: 14px 16px;
  }

  .drawer-content {
    width: 100%;
    max-width: 100%;
    border-left: none;
  }
}

@media (max-width: 480px) {
  .app { padding: 8px; gap: 6px; }
  .topbar { padding: 6px 10px; border-radius: var(--radius-md); }

  .logo { font-size: 15px; }
  .logo-badge { display: none; }

  .btn-deploy {
    padding: 7px 14px;
    font-size: 12px;
  }

  .panel-preview { flex: 0 0 40vh; }
  .panel-head { padding: 8px 12px; }
  .panel-label { font-size: 10px; }

  .btn-ghost span { display: none; }

  .toast-container {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .toast {
    min-width: 0;
    max-width: none;
  }
}