/**
 * Quick Share Board - Modern Responsive Design System
 *
 * @package QuickShareBoard
 */

:root {
	--qsb-primary: #4f46e5;
	--qsb-primary-hover: #4338ca;
	--qsb-primary-light: #eef2ff;
	--qsb-bg: #f8fafc;
	--qsb-card-bg: #ffffff;
	--qsb-border: #e2e8f0;
	--qsb-border-hover: #cbd5e1;
	--qsb-text-main: #0f172a;
	--qsb-text-muted: #64748b;
	--qsb-accent-danger: #ef4444;
	--qsb-accent-danger-hover: #dc2626;
	--qsb-accent-warning: #f59e0b;
	--qsb-accent-success: #10b981;
	--qsb-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--qsb-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
	--qsb-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
	--qsb-radius: 12px;
	--qsb-radius-sm: 8px;
	--qsb-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Wrapper */
.qsb-container {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
	max-width: 900px;
	margin: 2rem auto;
	padding: 0 1rem;
	color: var(--qsb-text-main);
	box-sizing: border-box;
}

.qsb-container * {
	box-sizing: border-box;
}

/* Header */
.qsb-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 1.5rem;
	padding: 1.25rem 1.5rem;
	background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
	color: #ffffff;
	border-radius: var(--qsb-radius);
	box-shadow: var(--qsb-shadow-lg);
}

.qsb-header-main {
	display: flex;
	align-items: center;
	gap: 1rem;
}

.qsb-logo-icon {
	width: 44px;
	height: 44px;
	border-radius: 10px;
	background: rgba(79, 70, 229, 0.25);
	color: #818cf8;
	display: flex;
	align-items: center;
	justify-content: center;
	border: 1px solid rgba(129, 140, 248, 0.3);
}

.qsb-title {
	margin: 0;
	font-size: 1.35rem;
	font-weight: 700;
	color: #ffffff;
	letter-spacing: -0.02em;
}

.qsb-subtitle {
	margin: 0.25rem 0 0 0;
	font-size: 0.85rem;
	color: #94a3b8;
}

.qsb-header-badge {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	background: rgba(255, 255, 255, 0.08);
	padding: 0.4rem 0.85rem;
	border-radius: 20px;
	font-size: 0.78rem;
	font-weight: 500;
	color: #cbd5e1;
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.qsb-status-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background-color: #10b981;
	box-shadow: 0 0 8px #10b981;
	animation: qsb-pulse 2s infinite;
}

@keyframes qsb-pulse {
	0% { transform: scale(0.95); opacity: 0.8; }
	50% { transform: scale(1.15); opacity: 1; }
	100% { transform: scale(0.95); opacity: 0.8; }
}

/* Card */
.qsb-card {
	background: var(--qsb-card-bg);
	border: 1px solid var(--qsb-border);
	border-radius: var(--qsb-radius);
	padding: 1.5rem;
	margin-bottom: 1.5rem;
	box-shadow: var(--qsb-shadow-md);
	transition: var(--qsb-transition);
}

.qsb-create-card:focus-within {
	border-color: #a5b4fc;
	box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.08), var(--qsb-shadow-md);
}

/* Form Controls */
.qsb-form-group {
	margin-bottom: 1rem;
}

.qsb-input,
.qsb-textarea,
.qsb-select {
	width: 100%;
	padding: 0.75rem 1rem;
	font-size: 0.95rem;
	border: 1px solid var(--qsb-border);
	border-radius: var(--qsb-radius-sm);
	background: #f8fafc;
	color: var(--qsb-text-main);
	transition: var(--qsb-transition);
	outline: none;
}

.qsb-input:focus,
.qsb-textarea:focus,
.qsb-select:focus {
	background: #ffffff;
	border-color: var(--qsb-primary);
	box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.qsb-textarea {
	resize: vertical;
	min-height: 90px;
	line-height: 1.5;
}

/* Dropzone */
.qsb-dropzone {
	position: relative;
	border: 2px dashed var(--qsb-border);
	border-radius: var(--qsb-radius-sm);
	padding: 1.25rem;
	text-align: center;
	background: #fafafa;
	cursor: pointer;
	transition: var(--qsb-transition);
	margin-bottom: 1rem;
}

.qsb-dropzone:hover,
.qsb-dropzone.dragover {
	border-color: var(--qsb-primary);
	background: var(--qsb-primary-light);
}

.qsb-file-input {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	cursor: pointer;
}

.qsb-dropzone-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	color: var(--qsb-text-muted);
}

.qsb-dropzone-text {
	margin: 0.5rem 0 0.2rem 0;
	font-size: 0.9rem;
}

.qsb-dropzone-hint {
	font-size: 0.75rem;
	color: #94a3b8;
}

/* File Preview */
.qsb-file-preview {
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: #ffffff;
	padding: 0.6rem 0.85rem;
	border-radius: var(--qsb-radius-sm);
	border: 1px solid var(--qsb-border);
}

.qsb-file-info {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.85rem;
	font-weight: 500;
}

.qsb-file-icon {
	color: var(--qsb-primary);
}

.qsb-badge-size {
	background: #e2e8f0;
	padding: 0.15rem 0.4rem;
	border-radius: 4px;
	font-size: 0.7rem;
	color: #475569;
}

.qsb-btn-remove {
	background: transparent;
	border: none;
	font-size: 1.25rem;
	color: #94a3b8;
	cursor: pointer;
	line-height: 1;
	padding: 0 0.25rem;
}

.qsb-btn-remove:hover {
	color: var(--qsb-accent-danger);
}

/* Form Actions */
.qsb-form-actions {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
}

.qsb-expiry-selector {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.85rem;
	color: var(--qsb-text-muted);
}

.qsb-expiry-selector label {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	font-weight: 500;
}

.qsb-select {
	width: auto;
	padding: 0.45rem 0.75rem;
	font-size: 0.85rem;
}

/* Buttons */
.qsb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.65rem 1.25rem;
	font-size: 0.9rem;
	font-weight: 600;
	border-radius: var(--qsb-radius-sm);
	border: none;
	cursor: pointer;
	transition: var(--qsb-transition);
}

.qsb-btn-primary {
	background: var(--qsb-primary);
	color: #ffffff;
	box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2);
}

.qsb-btn-primary:hover {
	background: var(--qsb-primary-hover);
	transform: translateY(-1px);
	box-shadow: 0 4px 8px rgba(79, 70, 229, 0.3);
}

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

.qsb-btn-secondary {
	background: #f1f5f9;
	color: #334155;
	border: 1px solid var(--qsb-border);
}

.qsb-btn-secondary:hover {
	background: #e2e8f0;
	color: #0f172a;
}

.qsb-btn-danger {
	background: transparent;
	color: #94a3b8;
	padding: 0.35rem 0.6rem;
	font-size: 0.8rem;
}

.qsb-btn-danger:hover {
	color: var(--qsb-accent-danger);
	background: #fef2f2;
}

/* Controls / Search Bar */
.qsb-controls {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	margin-bottom: 1.25rem;
}

.qsb-search-box {
	position: relative;
	flex: 1;
}

.qsb-search-icon {
	position: absolute;
	left: 0.85rem;
	top: 50%;
	transform: translateY(-50%);
	color: #94a3b8;
	pointer-events: none;
}

.qsb-search-input {
	padding-left: 2.5rem;
	padding-right: 2.2rem;
	background: #ffffff;
}

.qsb-btn-clear {
	position: absolute;
	right: 0.75rem;
	top: 50%;
	transform: translateY(-50%);
	background: transparent;
	border: none;
	font-size: 1.1rem;
	color: #94a3b8;
	cursor: pointer;
}

.qsb-counter {
	font-size: 0.85rem;
	color: var(--qsb-text-muted);
	white-space: nowrap;
	font-weight: 500;
}

/* Feed & Note Card */
.qsb-feed {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.qsb-note-card {
	background: #ffffff;
	border: 1px solid var(--qsb-border);
	border-radius: var(--qsb-radius);
	padding: 1.25rem 1.5rem;
	box-shadow: var(--qsb-shadow-sm);
	transition: var(--qsb-transition);
	position: relative;
}

.qsb-note-card:hover {
	border-color: #cbd5e1;
	box-shadow: var(--qsb-shadow-md);
	transform: translateY(-2px);
}

.qsb-note-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
	margin-bottom: 0.75rem;
}

.qsb-note-title {
	margin: 0;
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--qsb-text-main);
	line-height: 1.3;
}

.qsb-note-meta {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	font-size: 0.78rem;
	color: var(--qsb-text-muted);
}

.qsb-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	padding: 0.2rem 0.55rem;
	border-radius: 20px;
	font-size: 0.72rem;
	font-weight: 600;
}

.qsb-badge-expiry {
	background: #f1f5f9;
	color: #475569;
}

.qsb-badge-expiring {
	background: #fffbe6;
	color: #d97706;
	border: 1px solid #fef3c7;
}

.qsb-note-content {
	font-size: 0.95rem;
	line-height: 1.6;
	color: #334155;
	margin-bottom: 1rem;
	word-break: break-word;
}

.qsb-note-content p {
	margin: 0 0 0.5rem 0;
}

.qsb-note-content p:last-child {
	margin-bottom: 0;
}

/* Attachment Box inside Note */
.qsb-note-attachment {
	margin-top: 0.85rem;
	padding: 0.75rem 1rem;
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: var(--qsb-radius-sm);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.qsb-attachment-left {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	overflow: hidden;
}

.qsb-attachment-name {
	font-size: 0.88rem;
	font-weight: 600;
	color: #1e293b;
	text-decoration: none;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.qsb-attachment-name:hover {
	color: var(--qsb-primary);
	text-decoration: underline;
}

.qsb-attachment-image-preview {
	margin-top: 0.85rem;
	max-height: 280px;
	border-radius: var(--qsb-radius-sm);
	overflow: hidden;
	border: 1px solid var(--qsb-border);
}

.qsb-attachment-image-preview img {
	width: 100%;
	height: auto;
	max-height: 280px;
	object-fit: cover;
	display: block;
}

/* Note Footer Actions */
.qsb-note-footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: 1rem;
	padding-top: 0.75rem;
	border-top: 1px solid #f1f5f9;
}

.qsb-note-footer-left {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.qsb-btn-icon {
	background: transparent;
	border: none;
	color: #64748b;
	cursor: pointer;
	padding: 0.35rem 0.5rem;
	border-radius: 4px;
	font-size: 0.8rem;
	display: flex;
	align-items: center;
	gap: 0.3rem;
	transition: var(--qsb-transition);
}

.qsb-btn-icon:hover {
	background: #f1f5f9;
	color: var(--qsb-primary);
}

.qsb-note-footer-right {
	display: flex;
	align-items: center;
}

.qsb-delete-btn:hover {
	background: #fef2f2 !important;
	color: var(--qsb-accent-danger) !important;
}

/* Empty State */
.qsb-empty-state {
	text-align: center;
	padding: 3rem 1.5rem;
	background: #ffffff;
	border: 1px dashed var(--qsb-border);
	border-radius: var(--qsb-radius);
	color: var(--qsb-text-muted);
}

.qsb-empty-icon {
	color: #cbd5e1;
	margin-bottom: 0.75rem;
}

.qsb-empty-title {
	font-size: 1.1rem;
	font-weight: 600;
	color: var(--qsb-text-main);
	margin: 0 0 0.25rem 0;
}

/* Skeleton Loading */
.qsb-skeleton-card {
	height: 110px;
	background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
	background-size: 200% 100%;
	animation: qsb-skeleton 1.5s infinite;
	border-radius: var(--qsb-radius);
}

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

/* Spinner */
.qsb-spinner {
	width: 16px;
	height: 16px;
	border: 2px solid rgba(255, 255, 255, 0.3);
	border-radius: 50%;
	border-top-color: #ffffff;
	animation: qsb-spin 0.6s linear infinite;
}

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

/* Toasts */
.qsb-toast-container {
	position: fixed;
	bottom: 20px;
	right: 20px;
	z-index: 99999;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.qsb-toast {
	padding: 0.75rem 1.25rem;
	border-radius: var(--qsb-radius-sm);
	background: #1e293b;
	color: #ffffff;
	font-size: 0.88rem;
	box-shadow: var(--qsb-shadow-lg);
	animation: qsb-toast-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.qsb-toast-success { background: #065f46; border-left: 4px solid #10b981; }
.qsb-toast-error { background: #991b1b; border-left: 4px solid #ef4444; }

@keyframes qsb-toast-in {
	from { transform: translateY(100%); opacity: 0; }
	to { transform: translateY(0); opacity: 1; }
}

.hidden { display: none !important; }