/* ==========================================================================
   Bulk PDF Print Management Suite - Ultra-Modern Design System
   ========================================================================== */

:root {
  /* Zestful Technologies Brand Palette */
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-active: #047857;
  --primary-light: rgba(16, 185, 129, 0.12);
  --primary-glow: rgba(16, 185, 129, 0.35);
  --accent-cyan: #06b6d4;

  /* Status Colors */
  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;

  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  --info: #06b6d4;
  --info-bg: #ecfeff;
  --info-border: #a5f3fc;

  /* Neutral Theme Tokens - LIGHT MODE */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-secondary: #f1f5f9;
  --bg-surface-tertiary: #e2e8f0;
  --bg-input: #ffffff;

  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --border: #e2e8f0;
  --border-focus: #10b981;
  --border-hover: #cbd5e1;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* DARK MODE (Zestful Technologies Obsidian Navy / Emerald Glow) */
body.dark-mode {
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: rgba(16, 185, 129, 0.12);
  --primary-glow: rgba(16, 185, 129, 0.32);
  --accent-cyan: #06b6d4;

  --bg-body: #070c14;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-surface-secondary: #131d31;
  --bg-surface-tertiary: #1e293b;
  --bg-input: #090f1d;

  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --border: rgba(255, 255, 255, 0.08);
  --border-focus: #10b981;
  --border-hover: rgba(255, 255, 255, 0.16);

  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(16, 185, 129, 0.3);
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.3);
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: rgba(239, 68, 68, 0.3);
  --info-bg: rgba(6, 182, 212, 0.12);
  --info-border: rgba(6, 182, 212, 0.3);

  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.7);
}

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

html {
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.25rem 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 100vh;
}

/* ==========================================================================
   Header & Navigation Tabs
   ========================================================================== */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
  transition: transform 0.25s ease;
}

.brand-logo-img:hover {
  transform: scale(1.06);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #0f172a 40%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.dark-mode .brand-title {
  background: linear-gradient(135deg, #ffffff 40%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.nav-tabs {
  display: flex;
  align-items: center;
  background: var(--bg-surface-secondary);
  padding: 0.3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  gap: 0.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }

.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-tab:hover { color: var(--text-main); }
.nav-tab.active {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.header-actions { display: flex; align-items: center; gap: 0.6rem; }

/* Server Status Badge */
.server-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background-color: var(--bg-surface);
  transition: all 0.2s;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
  flex-shrink: 0;
}

.server-badge.online {
  border-color: var(--success-border);
  background-color: var(--success-bg);
  color: var(--success);
}
.server-badge.online .status-dot {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.server-badge.offline {
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
  color: var(--danger);
}
.server-badge.offline .status-dot { background-color: var(--danger); }
.server-badge.checking .status-dot { animation: pulse 1.5s infinite; }

/* View Panels */
.view-panel { display: none; }
.view-panel.active-view { display: block; animation: fadeIn 0.25s ease; }

.section-heading { margin-bottom: 1.5rem; }
.section-heading h2 {
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}
.section-heading p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.2rem; }

/* ==========================================================================
   Stats Grid Banner
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
  animation: fadeIn 0.3s ease;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-xs);
  transition: transform 0.2s, box-shadow 0.2s;
  min-width: 0;
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bg-indigo { background: rgba(79, 70, 229, 0.12); color: var(--primary); }
.bg-blue { background: rgba(14, 165, 233, 0.12); color: var(--info); }
.bg-amber { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.bg-emerald { background: rgba(16, 185, 129, 0.12); color: var(--success); }

.stat-data { display: flex; flex-direction: column; min-width: 0; }
.stat-value { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-label { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Main Grid Layout */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 1.5rem;
  min-height: 0;
}

/* Upload Drop Zone */
.upload-card {
  background: var(--bg-surface);
  border: 2px dashed var(--border);
  border-radius: var(--radius-xl);
  padding: 2.2rem 2rem;
  text-align: center;
  transition: all 0.25s ease;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.upload-card:hover, .upload-card.drag-over {
  border-color: var(--primary);
  background-color: var(--primary-light);
  transform: scale(1.005);
}

.drop-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.drop-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-main); }
.upload-card p { font-size: 0.85rem; color: var(--text-secondary); max-width: 480px; }
.upload-btn-group { display: flex; gap: 0.75rem; margin-top: 0.5rem; flex-wrap: wrap; justify-content: center; }

/* Files Panel */
.files-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  min-height: 400px;
}

.panel-header {
  padding: 0.85rem 1.25rem;
  background: var(--bg-surface-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.panel-title-area { display: flex; align-items: center; gap: 0.6rem; }
.panel-title-area h3 { font-size: 0.95rem; font-weight: 700; display: flex; align-items: center; gap: 0.4rem; }
.panel-actions { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 180px;
  display: flex;
  align-items: center;
}

.search-box i {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.45rem 0.75rem 0.45rem 2.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  background: var(--bg-input);
  color: var(--text-main);
  transition: all 0.2s;
}

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

.filter-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.form-select-sm {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--bg-input);
  color: var(--text-main);
  cursor: pointer;
}

.file-list-container { flex: 1; max-height: 520px; overflow-y: auto; }

.file-item {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: background-color 0.15s ease;
  flex-wrap: wrap;
}

.file-item:last-child { border-bottom: none; }
.file-item:hover { background-color: var(--bg-surface-secondary); }
.file-item.is-duplicate { background-color: var(--warning-bg); }

.file-checkbox { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }

.file-type-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.file-details { flex: 1; min-width: 150px; }
.file-name-row { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.file-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-main);
  word-break: break-all;
}

.file-meta-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
  flex-wrap: wrap;
}

.file-item-actions { display: flex; align-items: center; gap: 0.4rem; margin-left: auto; flex-shrink: 0; }

/* ==========================================================================
   Sidebar & Print Settings
   ========================================================================== */

.sidebar { display: flex; flex-direction: column; gap: 1.25rem; }

.settings-card, .queue-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-main);
}

.form-group { margin-bottom: 0.85rem; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.label-with-hint { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.3rem; }
.hint-text { font-size: 0.7rem; color: var(--text-muted); }
.pointer { cursor: pointer; color: var(--primary); }

.btn-link-action {
  background: transparent;
  border: none;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.btn-link-action:hover { text-decoration: underline; }

.form-control {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: var(--bg-input);
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

/* Production Summary Pill */
.production-summary-pill {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.75rem 0.9rem;
  margin: 0.85rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-main);
  flex-wrap: wrap;
  gap: 0.3rem;
}

.summary-subline {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

/* Number Stepper */
.number-stepper { display: flex; align-items: center; }
.number-stepper input { border-radius: 0; text-align: center; }
.step-btn {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 0.55rem 0.7rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}
.step-btn:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); border-right: none; }
.step-btn:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; border-left: none; }

.checkbox-group { margin: 0.85rem 0; }
.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-md);
  padding: 0.55rem 1.1rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #059669);
  color: white;
  box-shadow: 0 4px 14px var(--primary-glow);
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--primary-hover), #047857);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
  transform: translateY(-1px);
}

.btn-secondary { background: var(--bg-surface); border-color: var(--border); color: var(--text-main); }
.btn-secondary:hover { background: var(--bg-surface-secondary); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--text-secondary); color: var(--text-main); }
.btn-danger { background: var(--danger); color: white; }
.btn-outline-danger { background: transparent; border-color: var(--danger-border); color: var(--danger); }
.btn-outline-danger:hover { background: var(--danger-bg); }
.btn-success { background: var(--success); color: white; }

.btn-block { width: 100%; }
.btn-lg { padding: 0.8rem 1.4rem; font-size: 0.925rem; border-radius: var(--radius-lg); }
.btn-xs { padding: 0.2rem 0.45rem; font-size: 0.725rem; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }
.btn-icon { padding: 0.55rem; width: 38px; height: 38px; border-radius: var(--radius-md); flex-shrink: 0; }
.btn-icon-subtle {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.3rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ==========================================================================
   Tools Studio: Bento Grid Layout System
   ========================================================================== */

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.35rem 1.45rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.9rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

body.dark-mode .bento-card {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.6) 100%);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.bento-card:hover {
  transform: translateY(-2px);
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 8px 24px -6px var(--primary-glow);
}

/* Bento Tile Span Rules */
.bento-hero {
  grid-column: span 7;
}

.bento-merger {
  grid-column: span 5;
}

.bento-presets {
  grid-column: span 5;
}

.bento-utilities {
  grid-column: span 7;
}

@media (max-width: 1024px) {
  .bento-hero, .bento-merger, .bento-presets, .bento-utilities {
    grid-column: span 12;
  }
}

.bento-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}

.bento-icon {
  color: var(--primary);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.bento-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.bento-header p {
  font-size: 0.775rem;
  color: var(--text-secondary);
}

.bento-body {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
}

/* Compact Watermark Preset Chips */
.watermark-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.2rem;
}

.wm-chip {
  padding: 0.22rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-surface-secondary);
  color: var(--text-main);
  transition: all 0.18s ease;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.wm-chip:hover {
  transform: translateY(-1px);
  border-color: var(--primary);
}

.wm-chip.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.chip-red { color: #ef4444; border-color: rgba(239, 68, 68, 0.25); background: rgba(239, 68, 68, 0.06); }
.chip-red:hover { background: rgba(239, 68, 68, 0.12); }

.chip-gray { color: #94a3b8; border-color: rgba(148, 163, 184, 0.25); background: rgba(148, 163, 184, 0.06); }
.chip-gray:hover { background: rgba(148, 163, 184, 0.12); }

.chip-green { color: #10b981; border-color: rgba(16, 185, 129, 0.25); background: rgba(16, 185, 129, 0.06); }
.chip-green:hover { background: rgba(16, 185, 129, 0.12); }

.chip-blue { color: #06b6d4; border-color: rgba(6, 182, 212, 0.25); background: rgba(6, 182, 212, 0.06); }
.chip-blue:hover { background: rgba(6, 182, 212, 0.12); }

.chip-amber { color: #f59e0b; border-color: rgba(245, 158, 11, 0.25); background: rgba(245, 158, 11, 0.06); }
.chip-amber:hover { background: rgba(245, 158, 11, 0.12); }

.chip-purple { color: #a855f7; border-color: rgba(168, 85, 247, 0.25); background: rgba(168, 85, 247, 0.06); }
.chip-purple:hover { background: rgba(168, 85, 247, 0.12); }

.form-row-4 {
  display: grid;
  grid-template-columns: 2fr 2fr 1.2fr 1.2fr;
  gap: 0.75rem;
}

@media (max-width: 900px) {
  .form-row-4 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 600px) {
  .form-row-4 {
    grid-template-columns: 1fr;
  }
}

.util-buttons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

@media (max-width: 600px) {
  .util-buttons-grid {
    grid-template-columns: 1fr;
  }
}

/* Merge Selector List */
.merge-file-list {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.merge-file-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  transition: background 0.15s;
  flex-wrap: wrap;
}

.merge-file-row:last-child { border-bottom: none; }
.merge-file-row.selected { background: var(--primary-light); }
.merge-order-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--bg-surface);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.merge-filename { flex: 1; min-width: 140px; word-break: break-all; }
.merge-filepath { font-size: 0.75rem; color: var(--text-muted); }

.merge-form-row {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}
.flex-1 { flex: 1; min-width: 220px; }

/* Hot Folder View */
.hotfolder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hotfolder-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.hotfolder-status-row h3 { font-size: 1.1rem; font-weight: 700; }
.hotfolder-status-row p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.25rem; }

.hotfolder-paths { display: flex; flex-direction: column; gap: 0.75rem; }
.path-box {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.path-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; }
.path-val { font-size: 0.85rem; color: var(--primary); word-break: break-all; }

/* Analytics View */
.analytics-breakdowns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.breakdown-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.breakdown-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-main); }
.breakdown-list { display: flex; flex-direction: column; gap: 0.6rem; }
.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--bg-surface-secondary);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  gap: 0.5rem;
}
.breakdown-row strong { color: var(--primary); }

/* Queue Card Monitor */
.queue-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; gap: 0.5rem; }
.queue-title { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.pulse-indicator { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); animation: pulse-ring 1.5s infinite; flex-shrink: 0; }
.queue-progress-area { margin-bottom: 0.85rem; }
.queue-meta { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.35rem; font-weight: 600; }
.progress-track { width: 100%; height: 8px; background: var(--bg-surface-secondary); border-radius: var(--radius-full); overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--primary), var(--accent-cyan)); border-radius: var(--radius-full); transition: width 0.3s ease; }

.active-print-box {
  background: var(--primary-light);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.active-print-info { display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.active-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.05em; color: var(--primary); }
.active-filename { font-size: 0.825rem; font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.queue-controls { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.queue-controls button { flex: 1; min-width: 80px; }

.failed-jobs-panel { margin-top: 0.85rem; padding-top: 0.85rem; border-top: 1px dashed var(--danger-border); }
.failed-header { font-size: 0.8rem; font-weight: 700; color: var(--danger); display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.45rem; }
.failed-list { display: flex; flex-direction: column; gap: 0.4rem; max-height: 140px; overflow-y: auto; }
.failed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.6rem;
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  gap: 0.5rem;
}

/* Badges & Modals */
.badge { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.2rem 0.6rem; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.badge-pill { border-radius: var(--radius-full); background: var(--bg-surface-tertiary); color: var(--text-secondary); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-secondary);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}
.status-badge.printing { background: var(--primary-light); color: var(--primary); }
.status-badge.success { background: var(--success-bg); color: var(--success); }
.status-badge.failed { background: var(--danger-bg); color: var(--danger); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  animation: fadeIn 0.2s ease;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: scaleUp 0.2s ease;
}

.modal-sm { max-width: 440px; }
.modal-md { max-width: 580px; }
.modal-lg { max-width: 880px; }

.modal-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-secondary);
  gap: 0.75rem;
}

.modal-title-with-icon { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.modal-title-with-icon i { color: var(--primary); flex-shrink: 0; }
.modal-title { font-size: 1.05rem; font-weight: 700; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.modal-subtitle { font-size: 0.8rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.btn-close:hover { background: var(--bg-surface-tertiary); color: var(--text-main); }
.modal-body { padding: 1.4rem; overflow-y: auto; flex: 1; }

.preview-toolbar { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.85rem; flex-wrap: wrap; }
.preview-page-counter { font-size: 0.85rem; font-weight: 600; padding: 0 0.5rem; }

.canvas-viewport {
  background: #374151;
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  max-height: 60vh;
  overflow: auto;
  position: relative;
}

#pdfPreviewCanvas { box-shadow: 0 6px 24px rgba(0,0,0,0.4); max-width: 100%; border-radius: 4px; }

.preview-loading {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-size: 0.9rem;
}

/* History Modal */
.history-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; gap: 0.75rem; flex-wrap: wrap; }
.history-search { max-width: 280px; flex: 1; }
.history-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.history-table-container { max-height: 420px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.history-item { display: flex; align-items: center; justify-content: space-between; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); gap: 0.75rem; flex-wrap: wrap; }
.history-item:last-child { border-bottom: none; }
.history-info { display: flex; flex-direction: column; gap: 0.2rem; min-width: 180px; }
.history-file { font-weight: 600; font-size: 0.875rem; word-break: break-all; }
.history-meta { font-size: 0.75rem; color: var(--text-secondary); }

/* System Info Modal */
.system-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.info-item {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.info-full-width {
  grid-column: span 2;
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
}
.info-label { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; }
.info-val { font-size: 0.95rem; font-weight: 700; color: var(--text-main); word-break: break-all; }
.font-mono { font-family: var(--font-mono); }

.network-ip-list { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; }
.network-ip-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* License & Activation UI */
.btn-license-badge {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border-focus);
  font-weight: 700;
  font-size: 0.78rem;
  border-radius: var(--radius-full);
  padding: 0.35rem 0.85rem;
  transition: all 0.2s ease;
}
.btn-license-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--primary-glow);
}
.btn-license-badge.licensed {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}
.btn-license-badge.expired {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-border);
}

.license-status-card {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lic-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.65rem;
}

.lic-tier-badge {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--primary);
}

.lic-status-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}
.lic-status-pill.expired {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-border);
}

.lic-details {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.85rem;
}

.lic-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}
.lic-row strong {
  color: var(--text-main);
}

.machine-id-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  gap: 0.5rem;
}
.machine-id-box code {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.05em;
}

.license-actions-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.license-commercial-callout {
  margin-top: 1.25rem;
  background: var(--primary-light);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-main);
  transition: all 0.2s ease;
}
.license-commercial-callout:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--primary-glow);
}
.license-commercial-callout p {
  color: var(--text-secondary);
  font-size: 0.75rem;
  margin-top: 0.2rem;
}

/* Modal Subtabs Header */
.modal-tabs-header {
  display: flex;
  background: var(--bg-surface-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 1.4rem;
  gap: 1rem;
}

.modal-subtab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.75rem 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.modal-subtab:hover { color: var(--text-main); }
.modal-subtab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Pricing Plans Grid */
.pricing-plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.pricing-card {
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  background: var(--bg-surface);
  border: 2px solid var(--primary);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  right: 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  color: white;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px var(--primary-glow);
}

.pricing-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.4rem;
}

.pricing-header h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.pricing-cost {
  display: flex;
  align-items: baseline;
  margin: 0.6rem 0;
}
.price-currency { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-right: 2px; }
.price-val { font-size: 2rem; font-weight: 800; color: var(--text-main); line-height: 1; }
.price-period { font-size: 0.8rem; color: var(--text-secondary); margin-left: 0.35rem; }

.pricing-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 1rem;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.pricing-features li i {
  color: var(--success);
  flex-shrink: 0;
}

.custom-quote-banner {
  margin-top: 1.25rem;
  background: var(--bg-surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
}
.custom-quote-banner p {
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

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

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 2000;
  max-width: calc(100vw - 3rem);
  width: 380px;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.8rem 1.2rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.25s ease;
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 500;
  pointer-events: auto;
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-info { border-left: 4px solid var(--info); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast i { flex-shrink: 0; }
.toast-success i { color: var(--success); }
.toast-error i { color: var(--danger); }
.toast-info i { color: var(--info); }
.toast-warning i { color: var(--warning); }

/* Keyframes */
.hidden { display: none !important; }
.spin-icon { animation: spin 1.2s linear infinite; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@keyframes pulse-ring { 0% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.7); } 70% { box-shadow: 0 0 0 8px rgba(79, 70, 229, 0); } 100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleUp { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }

/* ==========================================================================
   COMPREHENSIVE RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Large Laptops / Tablets Landscape (max-width: 1200px) */
@media (max-width: 1200px) {
  .app-container { padding: 1.25rem 1.5rem 2rem; }
  .main-grid { grid-template-columns: 1fr 340px; gap: 1.25rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-card-wide { grid-column: span 1; }
}

/* Medium Tablets & iPads (max-width: 992px) */
@media (max-width: 992px) {
  .main-grid { grid-template-columns: 1fr; }
  .app-header { flex-direction: column; align-items: stretch; gap: 0.85rem; }
  .brand-area { justify-content: space-between; width: 100%; }
  .nav-tabs { width: 100%; justify-content: flex-start; }
  .header-actions { justify-content: flex-end; width: 100%; }
  .analytics-breakdowns { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
}

/* Small Tablets & Large Mobiles (max-width: 768px) */
@media (max-width: 768px) {
  .app-container { padding: 1rem 1rem 1.5rem; gap: 1rem; }
  .brand-title { font-size: 1.1rem; }
  .brand-subtitle { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .stat-card { padding: 0.85rem 1rem; }
  .stat-value { font-size: 1.15rem; }
  
  .upload-card { padding: 1.5rem 1rem; }
  .upload-card h3 { font-size: 1rem; }
  
  .panel-header { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .panel-actions { width: 100%; justify-content: flex-start; }
  
  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: 100%; }
  .filter-actions { justify-content: space-between; width: 100%; }
  
  .system-info-grid { grid-template-columns: 1fr; }
  .info-full-width { grid-column: span 1; }
  
  .form-row-2 { grid-template-columns: 1fr; gap: 0.65rem; }
  .modal-dialog { max-height: 95vh; margin: 0.5rem; }
  .modal-header { padding: 0.85rem 1rem; }
  .modal-body { padding: 1rem; }
  .toast-container { right: 0.75rem; bottom: 0.75rem; width: calc(100vw - 1.5rem); }
}

/* Phones & Small Screens (max-width: 480px) */
@media (max-width: 480px) {
  .app-container { padding: 0.65rem 0.65rem 1.25rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .nav-tab { padding: 0.4rem 0.7rem; font-size: 0.775rem; }
  .nav-tab span { display: inline-block; }
  .nav-tab i { width: 14px; height: 14px; }
  
  .file-item { padding: 0.65rem 0.85rem; }
  .file-item-actions { width: 100%; justify-content: flex-end; margin-top: 0.4rem; }
  
  .upload-btn-group { flex-direction: column; width: 100%; }
  .upload-btn-group .btn { width: 100%; }
  
  .tools-grid { grid-template-columns: 1fr; }
  .tool-card { padding: 1rem; }
  
  .watermark-chips-grid { gap: 0.35rem; }
  .wm-chip { padding: 0.3rem 0.6rem; font-size: 0.7rem; }
  
  .hotfolder-card { padding: 1.25rem 1rem; }
  .btn-lg { padding: 0.7rem 1.1rem; font-size: 0.875rem; }
}