/* Global Resets and Base Styles */
:root {
	--primary-color: #3f51b5; /* Material Indigo */
	--secondary-color: #6c757d;
	--success-color: #4CAF50; /* Material Green */
	--danger-color: #f44336;  /* Material Red */
	--light-color: #f5f5f5;
	--dark-color: #212121;
	--background-color: #eeeeee;
	--text-color: #424242;
	--panel-background: #ffffff;
	--panel-border: #e0e0e0;
	--input-background: #fff;
	--input-border: #bdbdbd;
	--input-focus-border: var(--primary-color);
	--font-family-sans-serif: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
	--box-shadow-2dp: 0 2px 2px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.12), 0 1px 5px 0 rgba(0,0,0,0.2);
	--box-shadow-4dp: 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12), 0 2px 4px -1px rgba(0,0,0,0.2);
	--box-shadow-8dp: 0 8px 10px 1px rgba(0,0,0,0.14), 0 3px 14px 2px rgba(0,0,0,0.12), 0 5px 5px -3px rgba(0,0,0,0.2);
	--border-radius: 4px;
	--border-radius-lg: 4px;
}

body {
	font-family: var(--font-family-sans-serif);
	line-height: 1.6;
	color: var(--text-color);
	background-color: var(--background-color);
	margin: 0;
	padding: 0;
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

.app-container {
	display: flex;
	min-height: 100vh;
}

/* Material Icons styling */
.material-icons {
	font-family: 'Material Icons';
	font-weight: normal;
	font-style: normal;
	font-size: 24px;
	line-height: 1;
	letter-spacing: normal;
	text-transform: none;
	display: inline-block;
	white-space: nowrap;
	word-wrap: normal;
	direction: ltr;
	-webkit-font-feature-settings: 'liga';
	-webkit-font-smoothing: antialiased;
	vertical-align: middle;
}
.drop-zone-icon.material-icons.md-48 { font-size: 48px; }


/* Options Panel (Gauche) */
.options-panel {
	width: 320px;
	background-color: var(--panel-background);
	border-right: 1px solid var(--panel-border);
	padding: 20px;
	display: flex;
	flex-direction: column;
	box-shadow: var(--box-shadow-4dp);
	overflow-y: auto;
}

.logo-language-container {
	text-align: center;
	padding-bottom: 15px;
	border-bottom: 1px solid var(--panel-border);
	margin-bottom: 20px; /* Espace avant "Options de Conversion" */
}

.app-logo {
	max-width: 70px; /* Ajustez la taille du logo si besoin */
	height: auto;
	margin-bottom: 15px; /* Espace entre logo et boutons de langue */
}

.language-buttons {
	display: flex;
	justify-content: center;
	gap: 8px; /* Espace entre les boutons de langue */
}

.btn-lang {
	padding: 6px 12px;
	font-size: 0.85rem;
	font-weight: 500;
	border-radius: var(--border-radius);
	border: 1px solid var(--input-border);
	background-color: var(--light-color);
	color: var(--text-color);
	cursor: pointer;
	transition: background-color 0.2s, color 0.2s, border-color 0.2s;
	text-transform: uppercase;
}

.btn-lang:hover {
	background-color: #e0e0e0; /* Slightly darker on hover */
	border-color: #a0a0a0;
}

.btn-lang.active {
	background-color: var(--primary-color);
	color: #fff;
	border-color: var(--primary-color);
	font-weight: bold;
}


.options-panel-header h2 {
	font-size: 1.3rem;
	color: var(--dark-color);
	margin-top: 0;
	margin-bottom: 20px; /* Ajusté pour l'espacement après le titre */
	font-weight: 500;
	text-align: left;
}

.options-panel-content {
	flex-grow: 1;
}

.form-group {
	margin-bottom: 1.25rem;
}

.form-label {
	display: block;
	margin-bottom: .5rem;
	font-weight: 500;
	color: var(--text-color);
	font-size: 0.95em;
}

.form-control,
.form-control-range {
	display: block;
	width: 100%;
	padding: .65rem .75rem;
	font-size: 1rem;
	font-weight: 400;
	line-height: 1.5;
	color: var(--dark-color);
	background-color: var(--input-background);
	background-clip: padding-box;
	border: 1px solid var(--input-border);
	border-radius: var(--border-radius);
	transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
	box-sizing: border-box;
}

select.form-control {
	appearance: none;
	background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23333' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right .75rem center;
	background-size: 16px 12px;
	padding-right: 2.5rem;
}

select.form-control:focus,
.form-control:not(select):focus { /* Combined focus style for consistency for now */
	border-color: var(--input-focus-border);
	outline: 0;
	box-shadow: 0 0 0 2px rgba(63, 81, 181, .25);
}


.form-control-range {
	padding: 0;
}
.form-control-range:focus {
	outline: none;
	box-shadow: none;
}


.quality-label-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: .25rem;
}

.quality-value-display {
	font-weight: 500;
	color: var(--primary-color);
	background-color: #e0e0e0;
	padding: .25em .6em;
	border-radius: var(--border-radius);
	font-size: 0.9em;
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-weight: 500;
	text-align: center;
	vertical-align: middle;
	cursor: pointer;
	user-select: none;
	background-color: transparent;
	border: 1px solid transparent;
	padding: .6rem 1.1rem;
	font-size: 0.9rem;
	line-height: 1.75;
	border-radius: var(--border-radius);
	transition: background-color .2s ease-in-out, border-color .2s ease-in-out, box-shadow .2s ease-in-out, color .2s ease-in-out;
	text-decoration: none;
	text-transform: uppercase;
	letter-spacing: 0.02em;
	min-width: 64px;
	box-shadow: var(--box-shadow-2dp);
}
.btn .material-icons {
	margin-right: 8px;
	font-size: 1.1em;
}
.btn:hover {
	box-shadow: var(--box-shadow-4dp);
}
.btn:active {
	box-shadow: var(--box-shadow-8dp);
}
.btn:disabled {
	box-shadow: none;
	cursor: not-allowed;
	opacity: 0.65;
}

.btn-primary {
	color: #fff;
	background-color: var(--primary-color);
	border-color: var(--primary-color);
}
.btn-primary:hover {
	background-color: #303f9f;
	border-color: #303f9f;
}
.btn-primary:disabled {
	background-color: #9fa8da;
	border-color: #9fa8da;
	color: #e8eaf6;
}

.btn-success {
	color: #fff;
	background-color: var(--success-color);
	border-color: var(--success-color);
}
.btn-success:hover {
	background-color: #388e3c;
	border-color: #388e3c;
}
.btn-success:disabled {
	background-color: #a5d6a7;
	border-color: #a5d6a7;
	color: #e8f5e9;
}

.btn-secondary {
	color: var(--primary-color);
	background-color: transparent;
	border: 1px solid var(--primary-color);
	box-shadow: none;
}
.btn-secondary:hover {
	background-color: rgba(63, 81, 181, 0.08);
	border-color: var(--primary-color);
	box-shadow: none;
}
.btn-secondary:disabled {
	color: rgba(0,0,0,0.26);
	border-color: rgba(0,0,0,0.12);
	background-color: transparent;
}


.btn-block {
	display: flex;
	width: 100%;
	margin-top: 10px;
}

/* Main Content Area (Droite) */
.main-content-area {
	flex-grow: 1;
	padding: 25px;
	background-color: var(--background-color);
	display: flex;
	flex-direction: column;
	overflow-y: auto;
}

/* Drop Zone */
.drop-zone {
	border: 2px dashed var(--input-border);
	border-radius: var(--border-radius-lg);
	padding: 35px;
	text-align: center;
	background-color: #fafafa;
	transition: background-color .2s ease-in-out, border-color .2s ease-in-out;
	margin-bottom: 25px;
	box-shadow: var(--box-shadow-2dp);
}
.drop-zone.dragover {
	background-color: #f0f0f0;
	border-color: var(--primary-color);
}
.drop-zone-icon {
	color: var(--secondary-color);
	margin-bottom: 15px;
}
.drop-zone-text {
	font-size: 1.1rem;
	margin-bottom: 8px;
	color: var(--text-color);
	font-weight: 500;
}
.drop-zone-or {
	color: var(--secondary-color);
	margin: 8px 0;
	font-size: 0.9rem;
}
.btn-upload {
	margin-top: 15px;
}


/* File List */
.file-list-container {
	background-color: var(--panel-background);
	box-shadow: var(--box-shadow-2dp);
	border-radius: var(--border-radius);
	padding: 20px;
	flex-grow: 1;
	display: flex;
	flex-direction: column;
}
.file-list-title {
	font-size: 1.2rem;
	color: var(--dark-color);
	font-weight: 500;
	margin-top: 0;
	margin-bottom: 0;
	padding-bottom: 0;
	border-bottom: none;
}

.file-list {
	list-style: none;
	padding: 0;
	margin: 0;
	overflow-y: auto;
	max-height: calc(100vh - 300px);
}

.file-list-item {
	background-color: transparent;
	border: none;
	border-bottom: 1px solid var(--panel-border);
	border-radius: 0;
	padding: 14px 0px;
	margin-bottom: 0;
	display: flex;
	justify-content: space-between;
	align-items: center;
	transition: background-color 0.2s;
}
.file-list-item:last-child {
	border-bottom: none;
}
.file-list-item:hover {
	background-color: #f5f5f5;
}

.file-name {
	font-weight: 500;
	color: var(--dark-color);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	margin-right: 15px;
	flex-grow: 1;
}
.file-original-type {
	font-size: 0.8em;
	color: var(--secondary-color);
	background-color: #efefef;
	padding: 0.2em 0.5em;
	border-radius: var(--border-radius);
	margin-left: 8px;
}

.file-details {
	font-size: 0.9em;
	color: var(--text-color);
	display: flex;
	align-items: center;
	white-space: nowrap;
}
.file-details span {
	margin-left: 15px;
}
.file-details span:first-child {
	margin-left: 0;
}


.file-status {
	font-weight: 500;
	padding: 4px 10px;
	border-radius: var(--border-radius);
	font-size: 0.8em;
	margin-left: auto;
}
.status-pending { background-color: #ffecb3; color: #795548; }
.status-processing { background-color: #bbdefb; color: #0d47a1; }
.status-done { background-color: var(--success-color); color: white; }
.status-error { background-color: var(--danger-color); color: white; }

.file-list-placeholder {
	text-align: center;
	padding: 30px 15px;
	color: var(--secondary-color);
	font-style: italic;
	font-size: 0.95rem;
}

/* Processing Indicator */
.processing-indicator {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	margin-top: 15px;
	padding: 10px 0;
	border-radius: var(--border-radius);
}
.processing-indicator span {
	margin-left: 10px;
	font-weight: 500;
	color: var(--text-color);
}
.spinner {
	border: 4px solid rgba(0, 0, 0, 0.1);
	width: 20px;
	height: 20px;
	border-radius: 50%;
	border-left-color: var(--primary-color);
	animation: spin 1s ease infinite;
}
@keyframes spin {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}

select option:disabled {
	color: #bdbdbd;
	background-color: #f5f5f5;
}

.conversion-actions-toolbar {
	display: flex;
	gap: 12px;
	margin-top: 20px;
	margin-bottom: 15px;
	flex-wrap: wrap;
}
.conversion-actions-toolbar .btn {
	flex-grow: 1;
	min-width: 160px;
}

.file-list-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 10px;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--panel-border);
}

.btn-sm {
	padding: .3rem .8rem;
	font-size: .8rem;
	line-height: 1.5;
	min-width: auto;
}
.btn-sm .material-icons {
	margin-right: 6px;
	font-size: 1em;
}
.btn-danger {
	color: #fff;
	background-color: var(--danger-color);
	border-color: var(--danger-color);
}
.btn-danger:hover {
	background-color: #d32f2f;
	border-color: #d32f2f;
}
.btn-danger:disabled {
	background-color: #ef9a9a;
	border-color: #ef9a9a;
	color: #ffebee;
}

.file-list-item-actions {
	margin-left: 15px;
}

.btn-remove-file {
	background: none;
	border: none;
	color: var(--danger-color);
	cursor: pointer;
	padding: 6px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	transition: background-color 0.2s;
}
.btn-remove-file .material-icons {
	font-size: 20px;
	color: var(--danger-color);
}
.btn-remove-file:hover {
	background-color: rgba(244, 67, 54, 0.1);
}
.btn-remove-file:hover .material-icons {
	color: #c62828;
}

@media (max-width: 992px) {
	.app-container {
		flex-direction: column;
	}
	.options-panel {
		width: 100%;
		border-right: none;
		border-bottom: 1px solid var(--panel-border);
		max-height: none;
		box-shadow: var(--box-shadow-2dp);
	}
	.main-content-area {
		padding: 20px;
	}
	.file-list {
		max-height: none;
	}
}

@media (max-width: 768px) {
	.conversion-actions-toolbar {
		flex-direction: column;
	}
	.conversion-actions-toolbar .btn {
		width: 100%;
		margin-bottom: 10px;
	}
	.conversion-actions-toolbar .btn:last-child {
		margin-bottom: 0;
	}

	.file-list-header {
		flex-direction: column;
		align-items: flex-start;
	}
	.file-list-header .btn-danger.btn-sm {
		margin-top: 10px;
		width: auto;
	}

	.file-list-item {
		align-items: flex-start;
	}
	.file-list-item .file-details {
		flex-direction: column;
		align-items: flex-start;
		margin-top: 5px;
	}
	.file-list-item .file-details span {
		margin-left: 0;
		margin-bottom: 3px;
	}
	 .file-list-item .file-status {
		margin-top: 5px;
		align-self: flex-start;
	}
	.file-name {
		margin-bottom: 0px;
	}
}