/* ============================================================================
   Pro Image Compressor - Premium CSS
   ============================================================================ */

:root {
	/* Color Palette - Modern Indigo/Blue Theme */
	--proic-primary: #6366f1;
	--proic-primary-light: #818cf8;
	--proic-primary-dark: #4f46e5;
	--proic-secondary: #3b82f6;
	--proic-accent: #06b6d4;
	--proic-success: #10b981;
	--proic-warning: #f59e0b;
	--proic-danger: #ef4444;

	/* Neutral Colors */
	--proic-bg-primary: #ffffff;
	--proic-bg-secondary: #f9fafb;
	--proic-bg-tertiary: #f3f4f6;
	--proic-border: #e5e7eb;
	--proic-text-primary: #111827;
	--proic-text-secondary: #6b7280;
	--proic-text-tertiary: #9ca3af;

	/* Shadows */
	--proic-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--proic-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--proic-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
	--proic-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
	--proic-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

	/* Spacing & Sizing */
	--proic-radius: 12px;
	--proic-radius-lg: 16px;
	--proic-radius-xl: 20px;
	--proic-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   Global Styles
   ============================================================================ */

#proic-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 40px 20px;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	color: var(--proic-text-primary);
	background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
	border-radius: var(--proic-radius-xl);
}

/* ============================================================================
   Upload Zone - Drag & Drop Area
   ============================================================================ */

.proic-upload-zone {
	position: relative;
	border: 2px dashed var(--proic-border);
	border-radius: var(--proic-radius-xl);
	padding: 60px 40px;
	background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(59, 130, 246, 0.02) 100%);
	text-align: center;
	cursor: pointer;
	transition: var(--proic-transition);
	overflow: hidden;
}

.proic-upload-zone::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
	pointer-events: none;
}

.proic-upload-zone:hover {
	border-color: var(--proic-primary);
	background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
	box-shadow: var(--proic-shadow-md);
}

.proic-upload-zone.dragover {
	border-color: var(--proic-primary);
	background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
	box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
	transform: scale(1.01);
}

.proic-upload-content {
	position: relative;
	z-index: 1;
}

.proic-upload-icon {
	width: 64px;
	height: 64px;
	margin: 0 auto 20px;
	color: var(--proic-primary);
	animation: proic-float 3s ease-in-out infinite;
}

@keyframes proic-float {
	0%, 100% {
		transform: translateY(0px);
	}
	50% {
		transform: translateY(-10px);
	}
}

.proic-upload-title {
	font-size: 24px;
	font-weight: 700;
	margin: 0 0 12px 0;
	color: var(--proic-text-primary);
	letter-spacing: -0.5px;
}

.proic-upload-subtitle {
	font-size: 15px;
	color: var(--proic-text-secondary);
	margin: 0;
	font-weight: 500;
}

/* ============================================================================
   Controls Section
   ============================================================================ */

.proic-controls-section {
	background: var(--proic-bg-primary);
	border-radius: var(--proic-radius-xl);
	padding: 32px;
	margin: 30px 0;
	box-shadow: var(--proic-shadow-md);
	animation: proic-slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes proic-slideDown {
	from {
		opacity: 0;
		transform: translateY(-20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.proic-controls-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 32px;
}

.proic-control-group {
	display: flex;
	flex-direction: column;
}

.proic-label {
	font-size: 14px;
	font-weight: 700;
	color: var(--proic-text-primary);
	margin-bottom: 12px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.proic-hint {
	font-size: 12px;
	color: var(--proic-text-tertiary);
	margin: 8px 0 0 0;
	font-weight: 500;
}

/* Slider Styles */
.proic-slider-container {
	display: flex;
	align-items: center;
	gap: 16px;
}

.proic-slider {
	flex: 1;
	appearance: none;
	width: 100%;
	height: 6px;
	border-radius: 3px;
	background: linear-gradient(to right, var(--proic-primary), var(--proic-accent));
	outline: none;
	cursor: pointer;
	transition: var(--proic-transition);
}

.proic-slider::-webkit-slider-thumb {
	appearance: none;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: white;
	border: 2px solid var(--proic-primary);
	cursor: pointer;
	box-shadow: var(--proic-shadow-md);
	transition: var(--proic-transition);
}

.proic-slider::-webkit-slider-thumb:hover {
	transform: scale(1.15);
	box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.proic-slider::-moz-range-thumb {
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: white;
	border: 2px solid var(--proic-primary);
	cursor: pointer;
	box-shadow: var(--proic-shadow-md);
	transition: var(--proic-transition);
}

.proic-slider::-moz-range-thumb:hover {
	transform: scale(1.15);
	box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.proic-slider-value {
	min-width: 50px;
	text-align: right;
	font-size: 14px;
	font-weight: 700;
	color: var(--proic-primary);
	background: rgba(99, 102, 241, 0.1);
	padding: 4px 12px;
	border-radius: 6px;
}

/* Input Styles */
.proic-input,
.proic-select {
	padding: 12px 16px;
	border: 1px solid var(--proic-border);
	border-radius: var(--proic-radius);
	font-size: 14px;
	font-family: inherit;
	color: var(--proic-text-primary);
	background: var(--proic-bg-secondary);
	transition: var(--proic-transition);
}

.proic-input:focus,
.proic-select:focus {
	outline: none;
	border-color: var(--proic-primary);
	background: white;
	box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.proic-input::placeholder {
	color: var(--proic-text-tertiary);
}

/* Mode Toggle */
.proic-mode-toggle {
	display: flex;
	gap: 12px;
	border-radius: var(--proic-radius);
	background: var(--proic-bg-tertiary);
	padding: 4px;
}

.proic-mode-btn {
	flex: 1;
	padding: 10px 16px;
	border: none;
	border-radius: 8px;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	color: var(--proic-text-secondary);
	background: transparent;
	transition: var(--proic-transition);
}

.proic-mode-btn.proic-mode-active {
	background: white;
	color: var(--proic-primary);
	box-shadow: var(--proic-shadow-sm);
}

.proic-mode-btn:hover {
	color: var(--proic-primary);
}

/* Button Styles */
.proic-btn {
	padding: 12px 24px;
	border: none;
	border-radius: var(--proic-radius);
	font-size: 14px;
	font-weight: 700;
	cursor: pointer;
	transition: var(--proic-transition);
	display: flex;
	align-items: center;
	gap: 10px;
	justify-content: center;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.proic-btn svg {
	width: 18px;
	height: 18px;
}

.proic-btn-primary {
	background: linear-gradient(135deg, var(--proic-primary) 0%, var(--proic-primary-dark) 100%);
	color: white;
	box-shadow: var(--proic-shadow-md);
}

.proic-btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: var(--proic-shadow-lg);
}

.proic-btn-primary:active {
	transform: translateY(0);
}

.proic-btn-secondary {
	background: var(--proic-bg-tertiary);
	color: var(--proic-text-primary);
	border: 1px solid var(--proic-border);
}

.proic-btn-secondary:hover {
	background: var(--proic-border);
	transform: translateY(-2px);
}

.proic-btn-secondary:active {
	transform: translateY(0);
}

.proic-actions-group {
	grid-column: 1 / -1;
	flex-direction: row;
	gap: 16px;
}

.proic-actions-group .proic-btn {
	flex: 1;
}

/* ============================================================================
   Progress Bar
   ============================================================================ */

.proic-progress-container {
	background: var(--proic-bg-primary);
	border-radius: var(--proic-radius-xl);
	padding: 24px;
	margin: 20px 0;
	box-shadow: var(--proic-shadow-md);
}

.proic-progress-bar {
	width: 100%;
	height: 6px;
	background: var(--proic-bg-tertiary);
	border-radius: 3px;
	overflow: hidden;
	margin-bottom: 12px;
}

.proic-progress-fill {
	height: 100%;
	background: linear-gradient(90deg, var(--proic-primary) 0%, var(--proic-accent) 100%);
	border-radius: 3px;
	transition: width 0.3s ease;
	width: 0%;
}

.proic-progress-text {
	font-size: 13px;
	color: var(--proic-text-secondary);
	margin: 0;
	font-weight: 600;
}

/* ============================================================================
   Results Section
   ============================================================================ */

.proic-results-section {
	margin: 40px 0;
}

.proic-results-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 24px;
}

.proic-result-card {
	background: white;
	border-radius: var(--proic-radius-xl);
	overflow: hidden;
	box-shadow: var(--proic-shadow-md);
	transition: var(--proic-transition);
	animation: proic-slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
	display: flex;
	flex-direction: column;
}

@keyframes proic-slideUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.proic-result-card:hover {
	transform: translateY(-8px);
	box-shadow: var(--proic-shadow-xl);
}

.proic-result-preview {
	width: 100%;
	height: 180px;
	background: linear-gradient(135deg, var(--proic-bg-secondary) 0%, var(--proic-bg-tertiary) 100%);
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	position: relative;
}

.proic-result-preview img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
}

.proic-result-info {
	padding: 20px;
	flex: 1;
	display: flex;
	flex-direction: column;
}

.proic-result-filename {
	font-size: 13px;
	font-weight: 700;
	color: var(--proic-text-secondary);
	margin-bottom: 16px;
	word-break: break-word;
	text-transform: uppercase;
	letter-spacing: 0.3px;
}

.proic-result-stats {
	display: flex;
	flex-direction: column;
	gap: 12px;
	margin-bottom: 20px;
	flex: 1;
}

.proic-stat {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 12px;
	background: var(--proic-bg-secondary);
	border-radius: 8px;
}

.proic-stat-label {
	font-size: 12px;
	color: var(--proic-text-secondary);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.3px;
}

.proic-stat-value {
	font-size: 14px;
	font-weight: 700;
	color: var(--proic-primary);
}

.proic-stat-value.success {
	color: var(--proic-success);
}

.proic-result-actions {
	display: flex;
	gap: 8px;
}

.proic-result-btn {
	flex: 1;
	padding: 10px;
	border: none;
	border-radius: 8px;
	font-size: 12px;
	font-weight: 700;
	cursor: pointer;
	transition: var(--proic-transition);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	text-transform: uppercase;
	letter-spacing: 0.3px;
}

.proic-result-btn svg {
	width: 16px;
	height: 16px;
}

.proic-result-btn-download {
	background: linear-gradient(135deg, var(--proic-primary) 0%, var(--proic-primary-dark) 100%);
	color: white;
}

.proic-result-btn-download:hover {
	transform: scale(1.05);
	box-shadow: var(--proic-shadow-md);
}

.proic-result-btn-remove {
	background: var(--proic-bg-tertiary);
	color: var(--proic-danger);
	border: 1px solid var(--proic-border);
}

.proic-result-btn-remove:hover {
	background: rgba(239, 68, 68, 0.1);
	border-color: var(--proic-danger);
}

/* ============================================================================
   Empty State
   ============================================================================ */

.proic-empty-state {
	text-align: center;
	padding: 60px 40px;
	color: var(--proic-text-tertiary);
	background: var(--proic-bg-primary);
	border-radius: var(--proic-radius-xl);
	box-shadow: var(--proic-shadow-sm);
}

.proic-empty-state svg {
	width: 64px;
	height: 64px;
	margin: 0 auto 20px;
	opacity: 0.5;
}

.proic-empty-state p {
	font-size: 16px;
	margin: 0;
}

.proic-empty-state.hidden {
	display: none;
}

/* ============================================================================
   Loading States & Animations
   ============================================================================ */

.proic-loading {
	animation: proic-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes proic-pulse {
	0%, 100% {
		opacity: 1;
	}
	50% {
		opacity: 0.5;
	}
}

.proic-spinner {
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 3px solid rgba(99, 102, 241, 0.2);
	border-top-color: var(--proic-primary);
	border-radius: 50%;
	animation: proic-spin 0.8s linear infinite;
}

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

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 768px) {
	#proic-container {
		padding: 24px 16px;
	}

	.proic-upload-zone {
		padding: 40px 24px;
	}

	.proic-upload-icon {
		width: 48px;
		height: 48px;
	}

	.proic-upload-title {
		font-size: 20px;
	}

	.proic-upload-subtitle {
		font-size: 13px;
	}

	.proic-controls-section {
		padding: 24px;
	}

	.proic-controls-grid {
		grid-template-columns: 1fr;
		gap: 24px;
	}

	.proic-actions-group {
		grid-column: auto;
	}

	.proic-actions-group .proic-btn {
		flex: 1;
	}

	.proic-results-grid {
		grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
		gap: 16px;
	}

	.proic-slider-container {
		flex-direction: column;
		gap: 12px;
	}

	.proic-slider-value {
		width: 100%;
		text-align: center;
	}

	.proic-mode-toggle {
		flex-direction: column;
	}

	.proic-mode-btn {
		padding: 12px;
	}

	.proic-result-preview {
		height: 140px;
	}

	.proic-result-actions {
		flex-direction: column;
	}

	.proic-result-btn {
		padding: 12px;
	}
}

@media (max-width: 480px) {
	#proic-container {
		padding: 16px 12px;
	}

	.proic-upload-zone {
		padding: 32px 16px;
	}

	.proic-upload-icon {
		width: 40px;
		height: 40px;
	}

	.proic-upload-title {
		font-size: 18px;
	}

	.proic-controls-section {
		padding: 16px;
	}

	.proic-control-group {
		gap: 8px;
	}

	.proic-controls-grid {
		gap: 16px;
	}

	.proic-results-grid {
		grid-template-columns: 1fr;
	}

	.proic-result-preview {
		height: 120px;
	}

	.proic-empty-state {
		padding: 40px 20px;
	}

	.proic-empty-state svg {
		width: 48px;
		height: 48px;
	}

	.proic-btn {
		padding: 10px 16px;
		font-size: 12px;
	}
}

/* ============================================================================
   Accessibility
   ============================================================================ */

.proic-btn:focus,
.proic-input:focus,
.proic-select:focus {
	outline: 2px solid var(--proic-primary);
	outline-offset: 2px;
}

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