/* ================================================================
   UPPI Studio — Super HD Generator
   CSS Design System: Dark glassmorphism, neon accents, micro-animations
   ================================================================ */

/* ─── Fonts & Root Variables ─── */
:root {
  --bg-base: #080b14;
  --bg-surface: #0d1120;
  --bg-card: #111827;
  --bg-card-hover: #161f30;
  --bg-input: #0a0f1c;
  --border: rgba(255,255,255,0.07);
  --border-active: rgba(99,102,241,0.5);
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99,102,241,0.25);
  --accent-2: #06b6d4;
  --accent-3: #f59e0b;
  --success: #10b981;
  --error: #ef4444;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --sidebar-w: 300px;
  --topbar-h: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.15);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ─── Utility ─── */
.hidden { display: none !important; }

/* ================================================================
   MODAL
   ================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  animation: modalIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  position: relative;
  overflow: hidden;
}

.modal-card::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  text-align: center;
  margin-bottom: 32px;
}

.modal-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.modal-icon svg { color: #fff; }

.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.input-group { margin-bottom: 20px; }

.input-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  padding: 12px 44px 12px 14px;
  transition: var(--transition);
  outline: none;
  letter-spacing: 0.05em;
}

.input-wrapper input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-toggle {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  padding: 4px;
  transition: color var(--transition);
  border-radius: 4px;
}

.input-toggle:hover { color: var(--text-secondary); }

.input-hint {
  display: block;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.input-hint a { color: var(--accent-light); text-decoration: none; }
.input-hint a:hover { text-decoration: underline; }

.modal-actions { margin-bottom: 16px; }

.modal-security-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  justify-content: center;
}

.modal-security-note svg { color: var(--success); flex-shrink: 0; }

/* ================================================================
   APP LAYOUT
   ================================================================ */
.app-container {
  display: flex;
  min-height: 100vh;
  background: var(--bg-base);
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 10;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 0;
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  z-index: 1;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.logo-mark svg { color: #fff; }

.logo-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-text span { color: var(--accent-light); }

.sidebar-nav {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 8px 4px 4px;
  display: block;
}

.control-group {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.control-group:last-child { border-bottom: none; }

.control-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.control-label svg { color: var(--accent-light); flex-shrink: 0; }

/* Textarea & Input */
.control-textarea,
.control-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.8125rem;
  padding: 10px 12px;
  outline: none;
  resize: vertical;
  transition: var(--transition);
  line-height: 1.5;
}

.control-textarea:focus,
.control-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.control-textarea::placeholder,
.control-input::placeholder { color: var(--text-muted); }

/* Chips */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
}

.chip:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.chip.active {
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

/* Aspect Ratio Grid */
.ratio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.ratio-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-muted);
}

.ratio-chip:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
}

.ratio-chip.active {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
  box-shadow: 0 0 12px var(--accent-glow);
}

.ratio-preview {
  background: var(--text-muted);
  border-radius: 2px;
  opacity: 0.5;
  transition: var(--transition);
}

.ratio-chip.active .ratio-preview { background: var(--accent-light); opacity: 1; }

.ratio-1-1 { width: 16px; height: 16px; }
.ratio-9-16 { width: 10px; height: 18px; }
.ratio-16-9 { width: 20px; height: 11px; }
.ratio-3-4 { width: 12px; height: 16px; }

.ratio-chip span { font-size: 0.625rem; font-weight: 600; }

/* Custom Location Input */
.custom-input-wrapper {
  margin-top: 8px;
  animation: slideDown 0.2s ease both;
}

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

/* Logo Upload Zone */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.upload-zone:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.upload-zone.dragover {
  border-color: var(--accent-2);
  background: rgba(6,182,212,0.1);
}

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

.upload-icon {
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
}

#logo-upload-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.logo-preview-container {
  position: relative;
  display: inline-block;
}

.logo-preview-container img {
  max-height: 60px;
  max-width: 120px;
  object-fit: contain;
  border-radius: 4px;
}

.remove-logo-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--error);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition);
}

.remove-logo-btn:hover { transform: scale(1.1); }

.logo-position-group { margin-top: 10px; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

/* ================================================================
   MAIN CONTENT
   ================================================================ */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 0 60px;
  background: 
    radial-gradient(ellipse 70% 40% at 70% 0%, rgba(99,102,241,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 30% 80%, rgba(6,182,212,0.06) 0%, transparent 60%),
    var(--bg-base);
}

/* ─── Topbar ─── */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(8,11,20,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 5;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }

.page-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-pro {
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(6,182,212,0.2));
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--accent-light);
}

.key-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--success);
}

.key-dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

/* ─── Prompt Section ─── */
.prompt-section {
  padding: 24px 32px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prompt-card,
.negative-prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: var(--transition);
}

.prompt-card { border-left: 3px solid var(--accent); }
.negative-prompt-card { border-left: 3px solid var(--error); }

.prompt-card:hover,
.negative-prompt-card:hover { border-color: rgba(255,255,255,0.1); }

.prompt-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.prompt-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.prompt-label svg { color: var(--accent); }

.prompt-text {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
}

.prompt-text.negative { color: rgba(239,68,68,0.7); }

/* ─── Generate Section ─── */
.generate-section {
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.btn-generate {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 40px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--accent) 0%, #4f46e5 50%, var(--accent-2) 100%);
  border: none;
  color: #fff;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 0 1px rgba(255,255,255,0.1) inset;
  background-size: 200% 100%;
  animation: shimmer-grad 3s ease infinite;
}

@keyframes shimmer-grad {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-generate:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.4), 0 0 0 1px rgba(255,255,255,0.15) inset;
}

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

.btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  animation: none;
}

.generate-icon { display: flex; align-items: center; }
.generate-icon svg { filter: drop-shadow(0 0 6px rgba(255,255,255,0.4)); }

.generate-badge {
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.2);
  padding: 3px 8px;
  border-radius: 4px;
}

.generate-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* Loading State */
.btn-generate.loading .generate-icon svg {
  animation: spin 1s linear infinite;
}

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

/* ─── Results Section ─── */
.results-section {
  padding: 0 32px;
  flex: 1;
}

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

.results-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* Placeholder */
.result-placeholder {
  grid-column: 1 / -1;
  padding: 80px 20px;
  text-align: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.result-placeholder svg { opacity: 0.3; }
.result-placeholder p { font-size: 0.875rem; }

/* Skeleton Cards */
.skeleton-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  position: relative;
}

.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.04) 50%, transparent 100%);
  animation: skeleton-sweep 1.5s ease infinite;
}

@keyframes skeleton-sweep {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

/* Result Cards */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  animation: cardIn 0.4s ease both;
  position: relative;
  group: true;
}

@keyframes cardIn {
  from { opacity: 0; transform: scale(0.96) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.result-card:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(99,102,241,0.1);
}

.result-card-img-wrapper {
  position: relative;
  overflow: hidden;
  background: var(--bg-input);
}

.result-card-img-wrapper img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease;
}

.result-card:hover .result-card-img-wrapper img { transform: scale(1.02); }

.result-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(8,11,20,0.9) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  gap: 8px;
}

.result-card:hover .result-card-overlay { opacity: 1; }

.result-card-footer {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
}

.result-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.result-card-meta strong { color: var(--text-secondary); display: block; font-weight: 600; }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--accent), #4f46e5);
  color: #fff;
  font-size: 0.9375rem;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover { 
  box-shadow: 0 6px 24px rgba(99,102,241,0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  padding: 8px 16px;
  background: rgba(255,255,255,0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.btn-ghost {
  padding: 6px 12px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8125rem;
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
}

.btn-sm { padding: 6px 12px; font-size: 0.75rem; }
.btn-xs { padding: 4px 8px; font-size: 0.6875rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-download {
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}

.btn-download:hover { 
  box-shadow: 0 6px 20px rgba(16,185,129,0.4);
  transform: translateY(-1px); 
}

/* Error state */
.error-card {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding: 20px;
  color: rgba(239,68,68,0.9);
  font-size: 0.875rem;
  text-align: center;
  grid-column: 1 / -1;
}

.error-card svg { color: var(--error); margin-bottom: 8px; display: block; margin-inline: auto; }

/* ================================================================
   TOAST
   ================================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 99px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 999;
  transition: opacity 0.3s, transform 0.3s;
}

.toast svg { color: var(--success); }

.toast.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(16px);
  pointer-events: none;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 900px) {
  :root { --sidebar-w: 260px; }
}

@media (max-width: 700px) {
  .app-container { flex-direction: column; }
  .sidebar {
    position: relative;
    width: 100%;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .main-content { margin-left: 0; }
}

/* ─── Progress Bar ─── */
.progress-bar-wrapper {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: 3px;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.progress-bar-wrapper.active { opacity: 1; }

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  transition: width 0.5s ease;
  box-shadow: 0 0 10px var(--accent);
}