/* ==========================================================================
   PREMIUM DARK THEME SHIPPING LABEL EDITOR DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root,
[data-theme="light"] {
  /* Fonts */
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Color Palette - Light Theme (Default) */
  --bg-app: #f1f5f9;
  --bg-app-gradient: radial-gradient(circle at 50% 50%, #f8fafc 0%, #e2e8f0 100%);
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-input: #f1f5f9;
  --bg-input-focus: #ffffff;
  --bg-item-active: rgba(99, 102, 241, 0.1);
  --bg-item-hover: rgba(0, 0, 0, 0.04);
  --bg-header: rgba(255, 255, 255, 0.65);
  --bg-canvas-container: #e2e8f0;
  --bg-toast: rgba(255, 255, 255, 0.95);
  --bg-canvas-panel-wrap: rgba(0, 0, 0, 0.05);
  --bg-no-file-overlay: rgba(241, 245, 249, 0.95);
  
  /* Borders & Glows */
  --border-soft: #cbd5e1;
  --border-softer: #e2e8f0;
  --border-focus: rgba(99, 102, 241, 0.5);
  --border-glow: rgba(99, 102, 241, 0.12);
  --shadow-neon: 0 8px 32px 0 rgba(0, 0, 0, 0.05), 0 0 15px rgba(99, 102, 241, 0.05);
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05);

  /* Accents */
  --accent-indigo: #4f46e5;
  --accent-indigo-hover: #3730a3;
  --accent-purple: #9333ea;
  --accent-blue: #2563eb;
  --accent-green: #059669;
  --accent-red: #dc2626;
  --accent-warning: #d97706;

  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  /* Scrollbar */
  --scrollbar-thumb: rgba(0, 0, 0, 0.12);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-app: #080c14;
  --bg-app-gradient: radial-gradient(circle at 50% 50%, #0f1626 0%, #070a10 100%);
  --bg-card: rgba(22, 33, 54, 0.45);
  --bg-card-hover: rgba(30, 45, 73, 0.6);
  --bg-input: rgba(10, 15, 26, 0.5);
  --bg-input-focus: rgba(30, 41, 59, 0.5);
  --bg-item-active: rgba(99, 102, 241, 0.15);
  --bg-item-hover: rgba(255, 255, 255, 0.04);
  --bg-header: rgba(13, 20, 35, 0.6);
  --bg-canvas-container: #1a1a1a;
  --bg-toast: rgba(13, 20, 35, 0.9);
  --bg-canvas-panel-wrap: rgba(0, 0, 0, 0.25);
  --bg-no-file-overlay: rgba(18, 18, 18, 0.9);
  
  /* Borders & Glows */
  --border-soft: rgba(255, 255, 255, 0.06);
  --border-softer: rgba(255, 255, 255, 0.03);
  --border-focus: rgba(99, 102, 241, 0.5);
  --border-glow: rgba(99, 102, 241, 0.2);
  --shadow-neon: 0 8px 32px 0 rgba(0, 0, 0, 0.37), 0 0 20px rgba(99, 102, 241, 0.1);
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.2);

  /* Accents */
  --accent-indigo: #6366f1;
  --accent-indigo-hover: #4f46e5;
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-warning: #f59e0b;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Scrollbar */
  --scrollbar-thumb: rgba(255, 255, 255, 0.08);
}

/* Theme Toggle Button Styles */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: visible;
}

.theme-toggle-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: var(--text-primary);
  border-color: rgba(99, 102, 241, 0.4);
  transform: scale(1.1);
}

.theme-toggle-btn svg {
  position: relative;
  z-index: 2;
}

[data-theme="light"] .theme-toggle-btn {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.3);
  color: #b45309;
}

[data-theme="light"] .theme-toggle-btn:hover {
  background: rgba(245, 158, 11, 0.25);
  border-color: rgba(245, 158, 11, 0.5);
}

/* Language Toggle Button Style */
.lang-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 99px;
  padding: 4px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-soft);
  height: 32px;
}

.lang-toggle-btn:hover {
  border-color: var(--accent-indigo);
  background: var(--bg-item-hover);
  transform: translateY(-0.5px);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.1);
}

/* Ripple click effect */
.ripple-effect {
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  animation: click-ripple 0.6s cubic-bezier(0.1, 0.7, 1.0, 0.1) forwards;
}

.dark-ripple {
  background: rgba(129, 140, 248, 0.8);
  box-shadow: 0 0 15px 5px rgba(129, 140, 248, 0.5);
}

.light-ripple {
  background: rgba(251, 191, 36, 0.8);
  box-shadow: 0 0 15px 5px rgba(251, 191, 36, 0.5);
}

@keyframes click-ripple {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

/* View Transition API Animations */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-old(root) {
  z-index: 1;
}

::view-transition-new(root) {
  z-index: 2;
}

/* Base resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-app-gradient);
  background-color: var(--bg-app);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbars */
.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
  transition: background 0.2s;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.3);
}

/* ==========================================================================
   APP HEADER & SHELL
   ========================================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.app-header {
  height: 70px;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
  z-index: 9;
}

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

.brand-logo-wrap {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-indigo) 0%, var(--accent-purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
  color: #fff;
  font-size: 20px;
}

.header-title-section h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--text-primary), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-content {
  flex: 1;
  padding: 24px;
  overflow: hidden;
}

/* ==========================================================================
   CARDS & COMMON UI ELEMENTS
   ========================================================================== */
.card {
  background-color: var(--bg-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.card:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-neon);
}

.card-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-indigo) 0%, var(--accent-indigo-hover) 100%);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  filter: brightness(1.1);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-item-hover);
  border: 1px solid var(--border-soft);
  color: var(--text-secondary);
}
.btn-secondary:hover:not(:disabled) {
  color: var(--text-primary);
  background-color: var(--bg-item-active);
  border-color: var(--accent-indigo);
}
.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.input-control {
  font-family: var(--font-sans);
  background-color: var(--bg-input);
  border: 1px solid var(--border-soft);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  width: 100%;
  transition: all 0.2s ease;
}

.input-control:focus {
  border-color: var(--accent-indigo);
  background-color: var(--bg-input-focus);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

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

/* ==========================================================================
   FEATURE: PDF EDITOR & WAYBILL REDACTION
   ========================================================================== */
.pdf-editor-layout {
  display: flex;
  gap: 20px;
  height: calc(100vh - 118px);
  overflow: hidden;
}

.pdf-control-panel {
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  flex-shrink: 0;
  padding-right: 4px;
}

.pdf-canvas-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  min-height: 0; /* allow flex child to shrink */
}

.canvas-editor-container {
  /* Size wraps to canvas content — do not restrict width/overflow here */
  position: relative;
  background-color: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  box-shadow: var(--shadow-soft);
  user-select: none;
  display: inline-block;
  width: fit-content;
  height: fit-content;
  flex-shrink: 0;
}

.masks-draw-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  cursor: crosshair;
}

/* Redaction Mask Visual Types */
.pdf-mask-overlay-box.blackout {
  background-color: #000000 !important;
  border: 1px solid #111;
}

.pdf-mask-overlay-box.whiteout {
  background-color: #ffffff !important;
  border: 1px solid #e2e8f0;
}

.pdf-mask-overlay-box.text {
  background-color: #ffffff !important;
  border: 1.5px dashed var(--accent-indigo);
}

/* Hover effect on masks to show delete button */
.pdf-mask-overlay-box:hover .delete-mask-overlay-btn {
  opacity: 1 !important;
}

.pdf-mask-overlay-box:hover {
  outline: 2px solid var(--accent-indigo);
  outline-offset: -1px;
}

/* Control tools inside editor */
.upload-dropzone:hover {
  border-color: var(--accent-indigo) !important;
  background-color: rgba(99, 102, 241, 0.08) !important;
}

.mask-item-row {
  transition: all 0.2s ease;
}

.mask-item-row:hover {
  background-color: rgba(255, 255, 255, 0.04) !important;
  border-color: var(--accent-indigo) !important;
}

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

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.06);
  border-top-color: var(--accent-indigo);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ==========================================================================
   TOAST NOTIFICATION SYSTEM
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 99999;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  width: 320px;
  background: var(--bg-toast);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  transform: translateX(120%);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.toast-message {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast.success { border-left: 4px solid var(--accent-green); }
.toast.success .toast-icon { color: var(--accent-green); }

.toast.info { border-left: 4px solid var(--accent-indigo); }
.toast.info .toast-icon { color: var(--accent-indigo); }

.toast.warn { border-left: 4px solid var(--accent-warning); }
.toast.warn .toast-icon { color: var(--accent-warning); }

.toast.error { border-left: 4px solid var(--accent-red); }
.toast.error .toast-icon { color: var(--accent-red); }