/* Base type scale: intentionally smaller than the browser default so the
   whole app reads as a dense desktop utility, not a marketing page. Every
   rem-based size below scales down proportionally from this one line. */
html {
  font-size: 14px;
  /* Without this, macOS/Chrome renders native form controls (select boxes,
     dropdown popups, date pickers...) using the OS's light-mode palette
     even though every color in this stylesheet is dark - the text ends up
     black on a dark background. Declaring the page as dark makes the
     browser paint those native widgets with light text automatically. */
  color-scheme: dark;
}

/* Design System Variables */
:root {
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, "Liberation Mono", Menlo, Courier, monospace;

  /* Harmonious Color Palette */
  --bg-darker: hsl(224, 25%, 6%);
  --bg-dark: hsl(222, 24%, 10%);
  --bg-panel: hsla(223, 20%, 15%, 0.65);
  --bg-panel-hover: hsla(223, 20%, 20%, 0.8);
  --border-color: hsla(223, 20%, 30%, 0.3);
  --border-light: hsla(0, 0%, 100%, 0.06);
  --border-focus: hsla(180, 85%, 50%, 0.5);

  --text-main: hsl(220, 15%, 90%);
  --text-muted: hsl(220, 10%, 60%);
  --text-inverse: hsl(224, 25%, 6%);

  /* Accent Colors */
  --color-primary: hsl(180, 85%, 50%); /* Neon Cyan */
  --color-primary-hover: hsl(180, 85%, 42%);
  --color-primary-glow: hsla(180, 85%, 50%, 0.15);
  
  --color-accent: hsl(265, 85%, 65%); /* Vibrant Purple */
  --color-accent-hover: hsl(265, 85%, 57%);
  
  --color-success: hsl(145, 75%, 45%); /* Soft Emerald */
  --color-success-bg: hsla(145, 75%, 45%, 0.1);
  
  --color-info: hsl(210, 85%, 55%); /* Bright Sky Blue */
  --color-info-bg: hsla(210, 85%, 55%, 0.1);
  
  --color-warning: hsl(32, 95%, 50%); /* Warm Amber */
  --color-warning-bg: hsla(32, 95%, 50%, 0.1);
  
  --color-danger: hsl(0, 80%, 55%); /* Coral Red */
  --color-danger-hover: hsl(0, 80%, 47%);
  --color-danger-bg: hsla(0, 80%, 55%, 0.1);

  /* Transitions & Shadows */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px var(--color-primary-glow);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-darker);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Dynamic Background Glows */
.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(140px);
  opacity: 0.22;
  transition: all var(--transition-slow);
}

.bg-glow-1 {
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.bg-glow-2 {
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  bottom: -200px;
  left: -200px;
}

/* Glassmorphism Panel styles */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: hsla(0, 0%, 100%, 0.12);
}

/* App Container and Layout */
.app-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 14px 72px 14px; /* Space at bottom for sticky bar */
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 100vh;
}

/* Typography and Headings */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
}

#main-title {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.15;
}

.subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Header Area */
.app-header {
  margin-top: 8px;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 12px 18px;
  background: hsla(222, 24%, 10%, 0.4);
  border-bottom: 1px solid var(--border-light);
  border-radius: 14px;
  backdrop-filter: blur(10px);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 1.8rem;
  text-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Common Interactive Elements: Buttons */
.btn {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background-color: var(--bg-dark);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--bg-panel-hover);
  border-color: hsla(0, 0%, 100%, 0.2);
}

.btn-secondary {
  background-color: hsla(0, 0%, 100%, 0.05);
  color: var(--text-main);
  border-color: var(--border-light);
}

.btn-secondary:hover:not(:disabled) {
  background-color: hsla(0, 0%, 100%, 0.1);
  border-color: hsla(0, 0%, 100%, 0.15);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--bg-darker);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 255, 255, 0.2);
}

.btn-accent:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.35);
  filter: brightness(1.1);
}

.btn-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: hsla(0, 80%, 55%, 0.2);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger);
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.2);
}

.btn-large {
  padding: 10px 20px;
  font-size: 0.92rem;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.75rem;
  border-radius: 8px;
}

/* Sections & Cards */
.section-card {
  padding: 18px;
}

.section-title {
  font-size: 1.1rem;
  color: var(--text-main);
}

/* Library Selector Grid */
.library-selector-grid {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.selector-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
  max-width: 600px;
}

.input-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.select-wrapper {
  position: relative;
}

.form-select {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  appearance: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.select-wrapper::after {
  content: "▼";
  font-size: 0.75rem;
  color: var(--text-muted);
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Stats Dashboard Grid */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: transparent;
}

#stat-total::before { background-color: var(--color-accent); }
#stat-insync::before { background-color: var(--color-success); }
#stat-local::before { background-color: var(--color-info); }
#stat-remote::before { background-color: var(--color-warning); }

.stat-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-purple { background-color: hsla(265, 85%, 65%, 0.1); color: var(--color-accent); }
.icon-green { background-color: hsla(145, 75%, 45%, 0.1); color: var(--color-success); }
.icon-blue { background-color: hsla(210, 85%, 55%, 0.1); color: var(--color-info); }
.icon-orange { background-color: hsla(32, 95%, 50%, 0.1); color: var(--color-warning); }

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
}

/* File Browser Card & Toolbar */
.main-browser-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.browser-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: hsla(222, 24%, 6%, 0.3);
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
}

.search-filter-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  flex-grow: 1;
}

.search-box {
  position: relative;
  max-width: 320px;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  background-color: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.filter-buttons {
  display: flex;
  gap: 6px;
  background-color: var(--bg-darker);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
}

.filter-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-main);
  background-color: hsla(0, 0%, 100%, 0.04);
}

.filter-btn.active {
  background-color: hsla(0, 0%, 100%, 0.1);
  color: var(--text-main);
}

.bulk-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.selected-counter {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 8px;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  filter: grayscale(0.5);
  opacity: 0.4;
}

.empty-state h3 {
  color: var(--text-main);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.empty-state p {
  max-width: 400px;
  font-size: 0.9rem;
}

/* Loading/Scanning state */
.scan-loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  gap: 16px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.spinner.mini {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

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

.scan-loading-text h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.scan-loading-text p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Tree Browser Grid */
.tree-container {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  background-color: hsla(222, 24%, 6%, 0.2);
}

.tree-header-row {
  display: grid;
  grid-template-columns: 48px 1fr 100px 150px;
  align-items: center;
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.tree-body {
  max-height: 60vh;
  overflow-y: auto;
  scroll-behavior: smooth;
  padding-bottom: 95px; /* Evita que la barra flotant bloquegi els últims fitxers de la llista */
}

.tree-row {
  display: grid;
  grid-template-columns: 48px 1fr 100px 150px;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid hsla(0, 0%, 100%, 0.03);
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

.tree-row:hover {
  background-color: hsla(0, 0%, 100%, 0.02);
}

/* Indentation and styling for artist/album/track groups */
.tree-row-artist {
  background-color: hsla(222, 24%, 10%, 0.3);
  font-weight: 600;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-light);
}

.tree-row-album {
  background-color: hsla(222, 24%, 10%, 0.15);
  font-weight: 500;
  font-size: 0.9rem;
  border-bottom: 1px solid hsla(0, 0%, 100%, 0.02);
}

.tree-col-name {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-row-artist .tree-col-name { padding-left: 0; }
.tree-row-album .tree-col-name { padding-left: 20px; }
.tree-row-track .tree-col-name { padding-left: 40px; }

.toggle-icon {
  font-size: 0.75rem;
  width: 16px;
  text-align: center;
  transition: transform var(--transition-fast);
}

.tree-row.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.tree-col-select {
  display: flex;
  align-items: center;
  justify-content: center;
}

.tree-col-size {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.tree-col-status {
  display: flex;
  align-items: center;
}

/* Badges for Sync Status */
.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
}

.badge-insync {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-color: hsla(145, 75%, 45%, 0.15);
}

.badge-local {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border-color: hsla(210, 85%, 55%, 0.15);
}

.badge-remote {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border-color: hsla(32, 95%, 50%, 0.15);
}

.badge-modified {
  background-color: hsla(265, 85%, 65%, 0.1);
  color: var(--color-accent);
  border-color: hsla(265, 85%, 65%, 0.15);
}

.badge-mixed {
  background-color: hsla(0, 0%, 100%, 0.04);
  color: var(--text-muted);
  border-color: var(--border-light);
}

/* Checkbox design */
.form-checkbox {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-darker);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.form-checkbox:hover {
  border-color: var(--text-muted);
}

.form-checkbox:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-checkbox:checked::after {
  content: "✓";
  color: var(--bg-darker);
  font-size: 11px;
  font-weight: 800;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.form-checkbox.indeterminate {
  background-color: var(--bg-darker);
  border-color: var(--color-primary);
}

.form-checkbox.indeterminate::after {
  content: "";
  width: 10px;
  height: 2px;
  background-color: var(--color-primary);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Sticky Action Bar at Bottom */
.sticky-action-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1268px;
  z-index: 100;
  background: hsla(222, 24%, 10%, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  border-radius: 16px;
  padding: 16px 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from { transform: translate(-50%, 40px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

.sticky-actions-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* Without this, the comparison panel's own backdrop-filter creates a new
   stacking context, so the help tooltip's z-index only wins against things
   inside this panel - it still renders under the next section-card below,
   which paints later in source order. Raising the whole panel above its
   siblings lets the tooltip float over that section instead of under it. */
.comparison-panel {
  position: relative;
  z-index: 5;
}

.comparison-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.sync-mode-selector {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Small "i" help button that reveals explanatory text on hover or click,
   instead of always showing it as a paragraph. The tooltip is positioned
   absolutely so it never adds height/layout while closed. Reused anywhere
   in the app (comparison panel, wizard cards, danger toggles...) - just
   drop the markup from helpIconHTML() next to whatever it explains. */
.help-icon-wrap {
  position: relative;
  display: inline-flex;
  vertical-align: middle;
}

#comparison-help-wrap {
  margin-left: auto;
}

.btn-help-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: hsla(0, 0%, 100%, 0.06);
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-help-icon:hover,
.btn-help-icon:focus-visible {
  color: var(--text-main);
  border-color: hsla(0, 0%, 100%, 0.25);
}

.help-icon-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 300px;
  max-width: min(300px, calc(100vw - 48px));
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  border-radius: 10px;
  padding: 10px 12px;
  box-shadow: var(--shadow-lg);
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-muted);
  font-weight: 400;
  text-align: left;
  white-space: normal;
}

.help-icon-tooltip p {
  margin: 0 0 6px 0;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.help-icon-tooltip p:last-child {
  margin-bottom: 0;
}

.wizard-choice-card .help-icon-tooltip,
.toggle-row .help-icon-tooltip {
  left: 0;
  right: auto;
}

.help-icon-wrap:hover .help-icon-tooltip,
.help-icon-wrap:focus-within .help-icon-tooltip,
.help-icon-wrap.open .help-icon-tooltip {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.input-label-sm {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-select-sm {
  background-color: var(--bg-darker);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  border-radius: 6px;
  cursor: pointer;
}

.button-group {
  display: flex;
  gap: 12px;
}

/* Dialog / Modal Base Styles */
.glass-modal {
  border: none;
  background: none;
  max-width: 580px;
  width: calc(100% - 32px);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  z-index: 200;
}

.glass-modal[open] {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.glass-modal::backdrop {
  background-color: rgba(6, 9, 14, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-content {
  background: var(--bg-panel);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid hsla(0, 0%, 100%, 0.08);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.modal-header h2 {
  font-size: 1.35rem;
  color: var(--text-main);
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  line-height: 0.5;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-close-modal:hover {
  color: var(--text-main);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

/* Config Modal specific */
.form-fieldset {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-fieldset legend {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 0 8px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
}

.input-tip {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Sync Progress Modal specific */
.sync-progress-modal {
  max-width: 680px;
}

.spinner-sync {
  margin-left: auto;
}

.sync-progress-details {
  background-color: var(--bg-darker);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.file-count-label {
  color: var(--text-muted);
}

.percent-label {
  color: var(--color-primary);
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background-color: var(--bg-dark);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-container.mini {
  height: 6px;
  border-radius: 3px;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Animated Neon Gradient */
.progress-bar-fill.animated-gradient {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-primary) 100%);
  background-size: 200% 100%;
}

.progress-bar-fill.animated-gradient.active {
  animation: moveGradient 1.5s linear infinite;
}

@keyframes moveGradient {
  0% { background-position: 0% 50%; }
  100% { background-position: -200% 50%; }
}

.active-file-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.active-file-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.active-file-name {
  font-size: 0.85rem;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-mono);
}

/* Terminal logs styles */
.logs-terminal {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  background-color: #06090e;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

.terminal-header {
  background-color: #0d1117;
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-clear-logs {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-clear-logs:hover {
  color: var(--color-danger);
}

.terminal-body {
  padding: 16px;
  height: 240px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.4;
  color: #c9d1d9;
  display: flex;
  flex-direction: column;
  gap: 4px;
  scroll-behavior: smooth;
}

.terminal-body div {
  white-space: pre-wrap;
  word-break: break-all;
}

/* Log lines highlighting */
.log-error { color: var(--color-danger); }
.log-success { color: var(--color-success); }
.log-info { color: var(--color-info); }
.log-rsync { color: #8b949e; }

/* Scrollbar customizations */
.terminal-body::-webkit-scrollbar,
.tree-body::-webkit-scrollbar {
  width: 8px;
}

.terminal-body::-webkit-scrollbar-track,
.tree-body::-webkit-scrollbar-track {
  background: transparent;
}

.terminal-body::-webkit-scrollbar-thumb,
.tree-body::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
}

.terminal-body::-webkit-scrollbar-thumb:hover,
.tree-body::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-muted);
}

/* Footer style */
.app-footer {
  text-align: center;
  padding: 24px 0 16px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-link svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Hidden elements */
.hidden {
  display: none !important;
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .tree-body {
    padding-bottom: 165px; /* Més espai a mòbils per la barra vertical flotant */
  }

  .header-main {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .library-selector-grid {
    flex-direction: column;
    align-items: stretch;
  }
  
  .control-actions {
    width: 100%;
  }
  
  .control-actions .btn {
    width: 100%;
  }
  
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    max-width: 100%;
  }
  
  .tree-header-row,
  .tree-row {
    grid-template-columns: 40px 1fr 60px 80px;
    padding: 8px;
  }
  
  .tree-col-size {
    font-size: 0.75rem;
  }
  
  .tree-row-album .tree-col-name { padding-left: 10px; }
  .tree-row-track .tree-col-name { padding-left: 20px; }
  
  .sticky-action-bar {
    width: 100%;
    bottom: 0;
    border-radius: 16px 16px 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
  }
  
  .sticky-actions-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .button-group {
    flex-direction: column;
  }
    .button-group .btn {
      width: 100%;
    }
  }
}

/* Path Detail Modal styling */
.info-modal-body {
  gap: 16px !important;
}

.info-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background-color: var(--bg-darker);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 12px 16px;
}

.info-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.info-value {
  font-size: 0.92rem;
  font-weight: 500;
}

.info-value.text-accent {
  color: var(--color-primary);
  font-family: var(--font-title);
  font-size: 1.1rem;
}

.path-copy-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.info-path-value {
  font-size: 0.78rem;
  color: #c9d1d9;
  word-break: break-all;
  user-select: all;
  background-color: #06090e;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  flex-grow: 1;
}

/* Custom Info Trigger Icon next to rows */
.btn-info-trigger {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 0.8rem;
  border-radius: 4px;
  transition: all var(--transition-fast);
  margin-left: 6px;
}

.btn-info-trigger:hover {
  color: var(--color-primary);
  background-color: hsla(180, 85%, 50%, 0.15);
  transform: scale(1.1);
}

/* Layout additions for Config Grid and Buttons */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

@media (max-width: 768px) {
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

.form-separator {
  height: 1px;
  background-color: var(--border-light);
  margin: 8px 0;
}

.sub-legend {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

.button-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Adjust path copy wrapper for multiple buttons */
.path-copy-wrapper {
  flex-direction: column;
  align-items: stretch;
  gap: 8px !important;
}

.info-path-value {
  width: 100%;
}

/* Premium Status Badge Hover Tooltips */
.status-badge,
.status-indicator-ok,
.status-indicator-diff,
.status-help-icon {
  position: relative;
  cursor: help;
}

.status-indicator-ok,
.status-indicator-diff {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.85rem;
  vertical-align: middle;
  transition: transform var(--transition-fast);
}

.status-indicator-ok:hover,
.status-indicator-diff:hover {
  transform: scale(1.2);
}

.status-info-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background-color: var(--border-color);
  border-radius: 50%;
  font-size: 0.72rem;
  color: var(--text-muted);
  cursor: help;
  transition: all var(--transition-fast);
  vertical-align: middle;
}

.status-help-icon:hover {
  background-color: var(--color-primary);
  color: var(--bg-darker);
  transform: scale(1.1);
}

.status-badge[data-tooltip]::after,
.status-indicator-ok[data-tooltip]::after,
.status-indicator-diff[data-tooltip]::after,
.status-help-icon[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) scale(0.95);
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  white-space: normal;
  word-wrap: break-word;
  width: 220px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  line-height: 1.35;
}

.status-badge[data-tooltip]:hover::after,
.status-indicator-ok[data-tooltip]:hover::after,
.status-indicator-diff[data-tooltip]:hover::after,
.status-help-icon[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* Tooltip arrow pointer */
.status-badge[data-tooltip]::before,
.status-indicator-ok[data-tooltip]::before,
.status-indicator-diff[data-tooltip]::before,
.status-help-icon[data-tooltip]::before {
  content: '';
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: rgba(13, 17, 23, 0.95) transparent transparent transparent;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 1000;
}

/* ---------------------------------------------------------------------- */
/* Multi-server config: settings modal, first-run wizard, server cards    */
/* ---------------------------------------------------------------------- */

.glass-modal-wide {
  max-width: 760px;
}

.modal-intro {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.servers-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.server-card {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: hsla(222, 24%, 8%, 0.35);
}

.server-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.server-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
}

.server-type-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 999px;
}

.server-type-badge.type-navidrome {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.server-type-badge.type-backup {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.server-card-actions {
  display: flex;
  gap: 8px;
}

.server-card-body {
  display: none;
}

.server-card.expanded .server-card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* The wizard injects the same field markup as the server card body, but
   into a plain div with no layout of its own - without this, every field
   group (each label + its input) sat with zero space from the group
   above, so labels visually "stuck" to the wrong field. */
#wizard-server-fields {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.btn-add-server {
  align-self: flex-start;
}

.danger-callout {
  border: 1px solid hsla(0, 80%, 55%, 0.35);
  background: var(--color-danger-bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.75rem;
  color: var(--text-main);
  line-height: 1.45;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.safe-callout {
  border: 1px solid hsla(145, 75%, 45%, 0.35);
  background: var(--color-success-bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.75rem;
  color: var(--text-main);
  line-height: 1.45;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

/* Toggle switch (used for "allow delete on this server") */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.toggle-switch {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  width: 42px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: hsla(0, 0%, 100%, 0.12);
  border-radius: 999px;
  transition: background-color var(--transition-fast);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-main);
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--color-danger);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(18px);
}

.toggle-switch.toggle-safe input:checked + .toggle-slider {
  background-color: var(--color-success);
}

/* Library destinations editor */
.library-editor-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.library-editor-card {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.destination-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}

.destination-path-input {
  flex-grow: 1;
}

.destination-path-wrap {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.destination-path-wrap .destination-path-input {
  flex-grow: 0;
  width: 100%;
}

.destination-path-preview {
  font-size: 0.7rem;
  color: var(--text-muted);
  word-break: break-all;
  min-height: 1em;
}

/* First-run setup wizard */
.wizard-progress {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}

.wizard-progress-dot {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: hsla(0, 0%, 100%, 0.1);
}

.wizard-progress-dot.active {
  background: var(--color-primary);
}

.wizard-step {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.wizard-step.active {
  display: flex;
}

.wizard-choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.wizard-choice-card {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  text-align: left;
  background: hsla(222, 24%, 8%, 0.35);
  color: var(--text-main);
  font-family: var(--font-body);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.wizard-choice-card:hover, .wizard-choice-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

.wizard-choice-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.wizard-choice-card strong {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Folder browser modal */
/* Anchored near the top of the viewport instead of vertically centered, so
   the title/breadcrumb/first row stay in the same screen position no matter
   how many entries the current folder has - only the list grows downward
   (it's already capped by .folder-browser-list's max-height + scroll). */
#dialog-folder-browser {
  top: 80px;
  transform: translateX(-50%) scale(0.95);
}

#dialog-folder-browser[open] {
  transform: translateX(-50%) scale(1);
}

.folder-browser-path {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.folder-browser-path code {
  font-family: var(--font-mono);
  color: var(--text-main);
  word-break: break-all;
}

.folder-browser-list {
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.test-connection-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.test-connection-result {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.test-result-line {
  font-size: 0.78rem;
  line-height: 1.4;
}

.test-result-line.test-ok {
  color: hsl(150, 60%, 55%);
}

.test-result-line.test-fail {
  color: hsl(0, 70%, 65%);
}

.folder-browser-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: default;
}

.folder-browser-item:hover {
  background: hsla(0, 0%, 100%, 0.05);
}

.folder-browser-name {
  flex-grow: 1;
  font-size: 0.85rem;
}

/* Drag-and-drop affordance on local path inputs (Electron only - see JS) */
.form-input.drag-over {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  background-color: var(--color-primary-glow);
}

.path-input-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.path-input-row .form-input {
  flex-grow: 1;
}

.status-badge[data-tooltip]:hover::before,
.status-indicator-ok[data-tooltip]:hover::before,
.status-indicator-diff[data-tooltip]:hover::before,
.status-help-icon[data-tooltip]:hover::before {
  opacity: 1;
}