/* ============================================
   Cropify — Techy Glassmorphism UI
   Modern, refined with organic shapes
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Colors - Soft gradient palette */
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-light: rgba(99, 102, 241, 0.15);
  --color-primary-subtle: rgba(99, 102, 241, 0.08);
  
  --color-secondary: #06b6d4;
  --color-tertiary: #a855f7;
  
  --color-success: #10b981;
  --color-success-light: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-warning-light: rgba(245, 158, 11, 0.12);
  --color-error: #ef4444;
  --color-error-light: rgba(239, 68, 68, 0.12);
  
  /* Glass colors */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-hover: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(99, 102, 241, 0.08);
  
  /* Neutrals */
  --color-white: #ffffff;
  --color-gray-50: rgba(249, 250, 251, 0.8);
  --color-gray-100: rgba(243, 244, 246, 0.8);
  --color-gray-200: rgba(229, 231, 235, 0.6);
  --color-gray-300: rgba(209, 213, 219, 0.8);
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  
  /* Sizing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  
  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated gradient background with organic shapes */
body {
  min-height: 100vh;
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-gray-800);
  background: linear-gradient(135deg, #f0f4ff 0%, #faf5ff 50%, #ecfeff 100%);
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}

/* Organic floating shapes */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  z-index: -1;
  animation: float 20s ease-in-out infinite;
}

body::before {
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(168, 85, 247, 0.2) 100%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

body::after {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(99, 102, 241, 0.15) 100%);
  bottom: -150px;
  left: -100px;
  animation-delay: -10s;
}

/* Additional organic shapes */
.app::before,
.app::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  z-index: -1;
  animation: float 25s ease-in-out infinite;
}

.app::before {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2) 0%, rgba(236, 72, 153, 0.15) 100%);
  top: 40%;
  left: 10%;
  animation-delay: -5s;
}

.app::after {
  width: 350px;
  height: 350px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.25) 0%, rgba(34, 211, 238, 0.15) 100%);
  top: 20%;
  right: 15%;
  animation-delay: -15s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

/* App Container */
.app {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-10);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  margin-bottom: var(--space-8);
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.3));
}

.logo-text {
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.tagline {
  color: var(--color-gray-500);
  font-size: 14px;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-gray-200);
}

/* Banners */
.banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: var(--space-6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.banner-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.banner-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Main Layout */
.main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  flex: 1;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Glassmorphism Cards */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: 
    var(--glass-shadow),
    inset 0 1px 1px rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--glass-bg-hover);
  box-shadow: 
    0 12px 40px rgba(99, 102, 241, 0.12),
    inset 0 1px 1px rgba(255, 255, 255, 0.9);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  border-radius: 2px;
}

.card-log {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group > label:first-child {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* Inputs */
.input,
.select {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  font-family: inherit;
  font-size: 14px;
  color: var(--color-gray-800);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.04),
    inset 0 1px 2px rgba(255, 255, 255, 0.8);
  transition: all var(--transition-fast);
}

.input:hover,
.select:hover {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(99, 102, 241, 0.3);
}

.input:focus,
.select:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-primary);
  box-shadow: 
    0 0 0 4px rgba(99, 102, 241, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.04);
}

.input::placeholder {
  color: var(--color-gray-400);
}

/* Remove number input spinners */
.input[type="number"]::-webkit-inner-spin-button,
.input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input[type="number"] {
  -moz-appearance: textfield;
}

/* Input with unit */
.input-with-unit {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-unit .input {
  padding-right: var(--space-10);
}

.input-unit {
  position: absolute;
  right: var(--space-4);
  color: var(--color-gray-400);
  font-size: 12px;
  font-weight: 500;
  pointer-events: none;
}

/* Color input */
.color-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.color-input {
  width: 44px;
  height: 44px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

.color-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray-500);
}

/* Checkboxes */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
  font-size: 14px;
  color: var(--color-gray-700);
}

.checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-mark {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkbox-mark::after {
  content: '';
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  border-radius: 3px;
  opacity: 0;
  transform: scale(0.5);
  transition: all var(--transition-fast);
}

.checkbox input:checked + .checkbox-mark {
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.1);
}

.checkbox input:checked + .checkbox-mark::after {
  opacity: 1;
  transform: scale(1);
}

.checkbox:hover .checkbox-mark {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.9);
}

.checkbox-group {
  display: flex;
  gap: var(--space-5);
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.2) 50%, transparent 100%);
  margin: var(--space-5) 0;
}

/* Hint text */
.hint {
  font-size: 12px;
  color: var(--color-gray-500);
  margin-top: var(--space-2);
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.drop-zone:hover {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(255, 255, 255, 0.6);
}

.drop-zone.drag {
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.08);
  border-style: solid;
  transform: scale(1.01);
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.drop-zone-icon {
  width: 52px;
  height: 52px;
  color: var(--color-gray-400);
  transition: all var(--transition-base);
}

.drop-zone:hover .drop-zone-icon {
  color: var(--color-primary);
  transform: translateY(-2px);
}

.drop-zone.drag .drop-zone-icon {
  color: var(--color-primary);
  transform: scale(1.1);
}

.drop-zone-text {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray-700);
}

.drop-zone-hint {
  font-size: 13px;
  color: var(--color-gray-400);
}

/* File Info */
.file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.file-count {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.file-count-number {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.file-count-label {
  font-size: 13px;
  color: var(--color-gray-500);
}

/* Privacy Note */
.privacy-note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--color-success);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.privacy-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-5);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  color: var(--color-white);
  box-shadow: 
    0 4px 15px rgba(99, 102, 241, 0.3),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 
    0 6px 20px rgba(99, 102, 241, 0.4),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-gray-700);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(99, 102, 241, 0.08);
  color: var(--color-primary);
}

.btn-cancel {
  color: var(--color-error);
}

.btn-cancel:hover:not(:disabled) {
  background: var(--color-error-light);
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.action-buttons .btn-primary {
  flex: 1;
  min-width: 140px;
}

/* Progress */
.progress-section {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.progress-bar {
  height: 8px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-tertiary) 50%, var(--color-secondary) 100%);
  background-size: 200% 100%;
  border-radius: 4px;
  width: 0%;
  transition: width var(--transition-base);
  animation: shimmer 2s linear infinite;
}

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

.progress-text {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
  font-size: 13px;
  color: var(--color-gray-600);
}

/* Log */
.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.log-header .card-title {
  margin-bottom: 0;
}

.log-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  color: var(--color-success);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 20px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.log-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.log {
  flex: 1;
  min-height: 180px;
  max-height: 280px;
  overflow-y: auto;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-gray-600);
  white-space: pre-wrap;
  word-break: break-word;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.log::-webkit-scrollbar {
  width: 6px;
}

.log::-webkit-scrollbar-track {
  background: transparent;
}

.log::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.2);
  border-radius: 3px;
}

.log::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.4);
}

/* Fixed Options */
.fixed-options {
  padding: var(--space-4);
  background: rgba(99, 102, 241, 0.04);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.fixed-options .form-row:last-child .form-group {
  margin-bottom: 0;
}

/* Footer */
.footer {
  margin-top: auto;
  padding-top: var(--space-8);
  text-align: center;
}

.footer p {
  font-size: 12px;
  color: var(--color-gray-400);
}

/* Responsive */
@media (max-width: 900px) {
  .main {
    grid-template-columns: 1fr;
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .tagline {
    padding-left: 0;
    border-left: none;
  }
  
  body::before {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -150px;
  }
  
  body::after {
    width: 350px;
    height: 350px;
    bottom: -100px;
    left: -150px;
  }
}

@media (max-width: 600px) {
  .app {
    padding: var(--space-4);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-buttons .btn {
    width: 100%;
  }
  
  .checkbox-group {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .card {
    padding: var(--space-5);
  }
}

/* Focus visible for keyboard navigation */
.btn:focus-visible,
.input:focus-visible,
.select:focus-visible,
.checkbox input:focus-visible + .checkbox-mark {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Disabled states */
.input:disabled,
.select:disabled {
  background: rgba(243, 244, 246, 0.8);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

/* Animation for processing state */
.btn-primary.processing {
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    var(--color-tertiary) 50%,
    var(--color-primary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

/* Subtle entrance animation for cards */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeInUp 0.5s ease-out forwards;
}

.panel-settings .card:nth-child(1) { animation-delay: 0.1s; }
.panel-files .card:nth-child(1) { animation-delay: 0.15s; }
.panel-files .card:nth-child(2) { animation-delay: 0.2s; }
.panel-files .card:nth-child(3) { animation-delay: 0.25s; }