/**
 * Smart File Resizer & KB/MB Optimizer Stylesheet
 */

:root {
  --resizer-bg: #f8fafc;
  --panel-bg: #ffffff;
  --accent-blue: #1e3a8a;
  --accent-sky: #0ea5e9;
  --accent-emerald: #10b981;
  --border-subtle: #e2e8f0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
}

body {
  background-color: var(--resizer-bg);
  color: #1e293b;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-sky) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glass Navbar */
.glass-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  padding: 0.75rem 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-links {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  flex-wrap: nowrap !important;
  white-space: nowrap !important;
}

.nav-link, .nav-links a {
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  color: #1e293b !important;
  text-decoration: none !important;
  padding: 6px 12px !important;
  border-radius: 9999px !important;
  transition: all 0.25s ease !important;
  letter-spacing: 0.2px !important;
  text-transform: none !important;
  display: inline-flex !important;
  align-items: center !important;
}

.nav-link:hover, .nav-links a:hover {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.12), rgba(14, 165, 233, 0.18)) !important;
  color: var(--accent-blue) !important;
  transform: translateY(-1px);
}

.nav-link.active, .nav-links a.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-sky)) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25) !important;
}

@media (max-width: 991px) {
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .nav-content {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #ffffff !important;
    padding: 1.25rem 1.5rem !important;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15) !important;
    border-bottom: 2px solid var(--accent-blue);
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    z-index: 9999;
  }

  .nav-content.active {
    display: flex !important;
    animation: fadeInDown 0.25s ease-out forwards;
  }

  .nav-links {
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    width: 100% !important;
  }

  .nav-links a {
    display: flex !important;
    align-items: center;
    gap: 10px;
    padding: 10px 14px !important;
    background: #f8fafc;
    border-radius: 8px !important;
    color: var(--text-primary) !important;
    font-size: 0.92rem !important;
    font-weight: 600 !important;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
  }

  .nav-links a:hover, .nav-links a.active {
    background: rgba(30, 58, 138, 0.08) !important;
    border-left-color: var(--accent-blue) !important;
    color: var(--accent-blue) !important;
  }

  .nav-actions {
    margin-top: 6px;
    width: 100%;
  }

  .nav-actions .btn {
    width: 100%;
    text-align: center;
    padding: 0.75rem !important;
    font-size: 0.88rem !important;
    display: block;
  }
}

/* Hero Section */
.resizer-hero {
  padding: 2.5rem 1rem 1.5rem 1rem;
  background: linear-gradient(180deg, #eff6ff 0%, var(--resizer-bg) 100%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(30, 58, 138, 0.08);
  color: var(--accent-blue);
  border: 1px solid rgba(30, 58, 138, 0.2);
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 0 0 1rem 0;
  color: #0f172a;
}

.hero-subtitle {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1rem;
  color: #64748b;
  line-height: 1.6;
}

/* Resizer Grid Workspace */
.resizer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 960px) {
  .resizer-grid {
    grid-template-columns: 1fr;
  }
}

/* Control Panel Cards */
.resizer-card, .preview-panel-card {
  background: var(--panel-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  padding: 2rem;
}

/* Step Header */
.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-sky));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.35);
}

.step-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #0f172a;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Dropzone */
.dropzone {
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  background: #f8fafc;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-sky);
  background: #f0f9ff;
  transform: translateY(-2px);
}

.dropzone-icon {
  color: var(--accent-sky);
  margin-bottom: 0.75rem;
}

.dropzone-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 4px 0;
}

.dropzone-desc {
  font-size: 0.82rem;
  color: #64748b;
  margin: 0 0 1rem 0;
}

.browse-btn {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  padding: 0.55rem 1.25rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.browse-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* File Loaded Strip */
.file-loaded-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-top: 0.75rem;
}

.file-loaded-info {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.file-loaded-badge {
  background: var(--accent-blue);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}

.file-loaded-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.file-loaded-meta {
  font-size: 0.75rem;
  color: #475569;
}

.btn-change-file {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #0f172a;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-change-file:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.preset-btn {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  text-align: left;
  transition: all 0.2s ease;
}

.preset-btn:hover {
  border-color: var(--accent-sky);
  background: #f0f9ff;
  color: var(--accent-blue);
}

.preset-btn.active {
  background: #eff6ff;
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  font-weight: 700;
  box-shadow: 0 0 0 1px var(--accent-blue);
}

/* Unit Selector */
.unit-selector {
  display: flex;
  gap: 8px;
  margin-bottom: 1rem;
  background: #f1f5f9;
  padding: 4px;
  border-radius: 9999px;
  width: fit-content;
}

.unit-pill {
  font-size: 0.78rem;
  font-weight: 600;
  color: #475569;
  padding: 5px 14px;
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.unit-pill input {
  display: none;
}

.unit-pill.active {
  background: #ffffff;
  color: var(--accent-blue);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
}

/* Dimensions Inputs */
.dimensions-inputs {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.input-group label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-group input, .form-select {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
  outline: none;
  transition: all 0.2s ease;
  width: 100%;
  box-sizing: border-box;
}

.input-group input:focus, .form-select:focus {
  border-color: var(--accent-sky);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.aspect-lock-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  color: var(--accent-blue);
  border-radius: var(--radius-sm);
  cursor: pointer;
  height: 44px;
  min-width: 54px;
  transition: all 0.2s ease;
}

.aspect-lock-btn.unlocked {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #94a3b8;
}

.dimension-options-row {
  display: flex;
  gap: 12px;
  margin-bottom: 1rem;
}

@media (max-width: 600px) {
  .dimension-options-row {
    flex-direction: column;
  }
}

/* Target Size Presets */
.size-presets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 0.75rem;
}

@media (max-width: 500px) {
  .size-presets-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.size-chip {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 8px 4px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #334155;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.size-chip:hover {
  border-color: var(--accent-sky);
  background: #f0f9ff;
  color: var(--accent-blue);
}

.size-chip.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(30, 58, 138, 0.25);
}

.custom-size-row {
  display: flex;
  gap: 12px;
  margin-bottom: 1rem;
}

/* Format Radios */
.format-radios {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.5rem;
}

.format-pill {
  font-size: 0.8rem;
  font-weight: 600;
  color: #334155;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.format-pill input {
  display: none;
}

.format-pill.active {
  background: #eff6ff;
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  font-weight: 700;
}

/* Process Button */
.btn-resize-process {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-sky));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-resize-process:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(14, 165, 233, 0.45);
}

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

/* Live Comparison Preview */
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #f1f5f9;
}

.preview-badge {
  background: #f1f5f9;
  color: #64748b;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
}

.preview-badge.ready {
  background: #ecfdf5;
  color: #059669;
}

.comparison-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1.5rem;
}

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

.comparison-column {
  display: flex;
  flex-direction: column;
}

.comp-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: #475569;
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.comp-canvas-wrapper {
  background: #f1f5f9;
  border: 1.5px dashed #cbd5e1;
  border-radius: var(--radius-md);
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.comp-canvas-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.empty-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: #94a3b8;
  text-align: center;
  padding: 1rem;
}

.comp-stats {
  margin-top: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: #334155;
}

/* Progress Box */
.progress-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.progress-bar-track {
  height: 8px;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-thumb {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-sky));
  transition: width 0.2s ease;
}

/* Action Buttons */
.action-buttons-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.btn-action-primary {
  padding: 0.85rem 1.5rem;
  background: #059669;
  color: #ffffff;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 6px 16px rgba(5, 150, 105, 0.3);
  transition: all 0.2s ease;
}

.btn-action-primary:hover {
  background: #047857;
  transform: translateY(-2px);
}

.btn-action-secondary {
  padding: 0.75rem 1.25rem;
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  color: #0f172a;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-action-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: #f8fafc;
}

.guarantee-box {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: var(--radius-md);
  padding: 1rem;
}

/* Fix for modals overlapping with mobile top and bottom navigation bars */
.modal {
    z-index: 9999999 !important;
}

/* Mobile Bottom Navigation (Always Visible with Safe Padding) */
@media (max-width: 992px) {
  body {
    padding-bottom: 95px !important;
  }

  .mobile-bottom-nav {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 999999 !important;
  }

  .mobile-bottom-nav-inner {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-behavior: smooth !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 3px 6px !important;
    gap: 4px !important;
  }

  .mobile-bottom-nav-inner::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
  }

  .mobile-bottom-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-decoration: none !important;
    color: #475569 !important;
    font-size: 0.66rem !important;
    font-weight: 700 !important;
    padding: 4px 6px !important;
    border-radius: 10px !important;
    min-width: 62px !important;
    flex-shrink: 0 !important;
    cursor: pointer !important;
    -webkit-tap-highlight-color: transparent !important;
    pointer-events: auto !important;
    white-space: nowrap !important;
  }
}

/* ==========================================================================
   IMAGE RESIZER — UNIVERSAL PC SCREEN AUTO-FIT ENGINE
   ========================================================================== */
html, body {
  width: 100% !important;
  max-width: 100vw !important;
  overflow-x: clip !important;
}

.resizer-card,
.container {
  width: 100% !important;
  max-width: min(1200px, 94vw) !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

@media (max-width: 768px) {
  .resizer-card {
    padding: 1.25rem 1rem !important;
    margin: 10px auto 6rem auto !important;
    width: 95% !important;
  }

  .dimension-inputs-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
  }

  .resizer-actions {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }

  .btn-resize-action {
    width: 100% !important;
    justify-content: center !important;
    padding: 0.75rem 1rem !important;
  }
}