/* Modern Shoutbox – Clean & Contemporary Design */

.msb-wrapper {
	--msb-primary: #6366f1;
	--msb-bg: #ffffff;
	--msb-bg-secondary: #f8fafc;
	--msb-text: #1e293b;
	--msb-text-muted: #64748b;
	--msb-border: #e2e8f0;
	--msb-radius: 12px;
	--msb-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
	--msb-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

	font-family: var(--msb-font);
	background: var(--msb-bg);
	border: 1px solid var(--msb-border);
	border-radius: var(--msb-radius);
	box-shadow: var(--msb-shadow);
	overflow: hidden;
	max-width: 100%;
	display: flex;
	flex-direction: column;
	min-height: 380px;
	max-height: 520px;
	color: var(--msb-text);
	transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

/* Dark Mode */
.msb-wrapper[data-theme="dark"],
.msb-wrapper[data-theme="auto"] {
	/* Auto handled via prefers-color-scheme below */
}

@media (prefers-color-scheme: dark) {
	.msb-wrapper[data-theme="auto"] {
		--msb-bg: #0f172a;
		--msb-bg-secondary: #1e293b;
		--msb-text: #f1f5f9;
		--msb-text-muted: #94a3b8;
		--msb-border: #334155;
		--msb-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
	}
}

.msb-wrapper[data-theme="dark"] {
	--msb-bg: #0f172a;
	--msb-bg-secondary: #1e293b;
	--msb-text: #f1f5f9;
	--msb-text-muted: #94a3b8;
	--msb-border: #334155;
	--msb-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
}

/* Header */
.msb-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	background: var(--msb-bg-secondary);
	border-bottom: 1px solid var(--msb-border);
}

.msb-header-left {
	display: flex;
	align-items: center;
	gap: 10px;
}

.msb-icon {
	font-size: 1.25rem;
	line-height: 1;
}

.msb-title {
	margin: 0;
	font-size: 1rem;
	font-weight: 600;
	color: var(--msb-text);
	letter-spacing: -0.01em;
}

.msb-theme-toggle {
	background: transparent;
	border: none;
	cursor: pointer;
	padding: 6px;
	border-radius: 8px;
	font-size: 1.1rem;
	line-height: 1;
	transition: background 0.15s ease;
	color: var(--msb-text-muted);
}

.msb-theme-toggle:hover {
	background: var(--msb-border);
}

/* Welcome */
.msb-welcome {
	padding: 10px 16px;
	font-size: 0.8rem;
	color: var(--msb-text-muted);
	background: color-mix(in srgb, var(--msb-primary) 8%, transparent);
	border-bottom: 1px solid var(--msb-border);
	text-align: center;
}

/* Messages Area */
.msb-messages {
	flex: 1;
	overflow-y: auto;
	padding: 12px 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	scroll-behavior: smooth;
	background: var(--msb-bg);
}

.msb-messages::-webkit-scrollbar {
	width: 6px;
}
.msb-messages::-webkit-scrollbar-track {
	background: transparent;
}
.msb-messages::-webkit-scrollbar-thumb {
	background: var(--msb-border);
	border-radius: 3px;
}
.msb-messages::-webkit-scrollbar-thumb:hover {
	background: var(--msb-text-muted);
}

/* Single Message */
.msb-message {
	display: flex;
	gap: 10px;
	animation: msb-fade-in 0.25s ease;
}

@keyframes msb-fade-in {
	from { opacity: 0; transform: translateY(6px); }
	to { opacity: 1; transform: translateY(0); }
}

.msb-avatar {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	object-fit: cover;
	flex-shrink: 0;
	background: var(--msb-bg-secondary);
	border: 2px solid var(--msb-border);
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.msb-avatar-link {
	display: block;
	flex-shrink: 0;
	line-height: 0;
}

.msb-avatar-link:hover .msb-avatar {
	border-color: var(--msb-primary);
	transform: scale(1.05);
}

.msb-message-content {
	flex: 1;
	min-width: 0;
}

.msb-message-header {
	display: flex;
	align-items: baseline;
	gap: 8px;
	margin-bottom: 2px;
	flex-wrap: wrap;
}

.msb-username {
	font-weight: 600;
	font-size: 0.875rem;
	color: var(--msb-primary);
}

.msb-username-link {
	text-decoration: none;
	color: var(--msb-primary);
	transition: color 0.15s ease, opacity 0.15s ease;
}

.msb-username-link:hover {
	opacity: 0.85;
	text-decoration: underline;
}

.msb-time {
	font-size: 0.7rem;
	color: var(--msb-text-muted);
}

.msb-message-text {
	font-size: 0.9rem;
	line-height: 1.45;
	color: var(--msb-text);
	word-break: break-word;
	white-space: pre-wrap;
}

.msb-message-actions {
	margin-top: 4px;
	display: flex;
	gap: 6px;
}

.msb-btn-action {
	background: transparent;
	border: none;
	color: var(--msb-text-muted);
	font-size: 0.7rem;
	cursor: pointer;
	padding: 2px 6px;
	border-radius: 4px;
	transition: color 0.15s, background 0.15s;
}

.msb-btn-action:hover {
	color: #ef4444;
	background: color-mix(in srgb, #ef4444 12%, transparent);
}

.msb-btn-approve:hover {
	color: #22c55e;
	background: color-mix(in srgb, #22c55e 12%, transparent);
}

/* Loading / Empty */
.msb-loading,
.msb-empty {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 40px 20px;
	color: var(--msb-text-muted);
	font-size: 0.875rem;
}

.msb-spinner {
	width: 28px;
	height: 28px;
	border: 3px solid var(--msb-border);
	border-top-color: var(--msb-primary);
	border-radius: 50%;
	animation: msb-spin 0.7s linear infinite;
}

.msb-spinner-sm {
	display: inline-block;
	width: 16px;
	height: 16px;
	border: 2px solid rgba(255,255,255,0.3);
	border-top-color: #fff;
	border-radius: 50%;
	animation: msb-spin 0.6s linear infinite;
}

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

/* Form */
.msb-form-wrapper {
	padding: 12px 14px 14px;
	border-top: 1px solid var(--msb-border);
	background: var(--msb-bg-secondary);
}

.msb-form {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.msb-input-group {
	display: flex;
	gap: 8px;
	align-items: flex-end;
}

.msb-username-group .msb-input {
	width: 100%;
}

.msb-message-group {
	align-items: stretch;
}

.msb-input,
.msb-textarea {
	flex: 1;
	border: 1px solid var(--msb-border);
	border-radius: 10px;
	padding: 10px 12px;
	font-size: 0.9rem;
	font-family: inherit;
	background: var(--msb-bg);
	color: var(--msb-text);
	resize: none;
	transition: border-color 0.15s, box-shadow 0.15s;
	outline: none;
}

.msb-input:focus,
.msb-textarea:focus {
	border-color: var(--msb-primary);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--msb-primary) 25%, transparent);
}

.msb-textarea {
	min-height: 44px;
	max-height: 100px;
	line-height: 1.4;
}

.msb-submit {
	background: var(--msb-primary);
	color: #fff;
	border: none;
	border-radius: 10px;
	padding: 0 18px;
	font-size: 0.875rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	min-width: 80px;
	height: auto;
	transition: opacity 0.15s, transform 0.1s;
	white-space: nowrap;
}

.msb-submit:hover {
	opacity: 0.9;
}

.msb-submit:active {
	transform: scale(0.97);
}

.msb-submit:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.msb-char-count {
	font-size: 0.7rem;
	color: var(--msb-text-muted);
	text-align: right;
	padding-right: 2px;
}

.msb-char-count.msb-near-limit {
	color: #f59e0b;
}

.msb-char-count.msb-over-limit {
	color: #ef4444;
}

.msb-login-notice {
	text-align: center;
	padding: 12px;
	font-size: 0.875rem;
	color: var(--msb-text-muted);
}

.msb-login-notice a {
	color: var(--msb-primary);
	font-weight: 500;
}

/* Notification toast */
.msb-toast {
	position: absolute;
	bottom: 80px;
	left: 50%;
	transform: translateX(-50%);
	background: #1e293b;
	color: #fff;
	padding: 8px 16px;
	border-radius: 8px;
	font-size: 0.8rem;
	z-index: 10;
	animation: msb-fade-in 0.2s ease;
	box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.msb-wrapper {
	position: relative;
}

/* Responsive */
@media (max-width: 480px) {
	.msb-wrapper {
		min-height: 320px;
		max-height: 450px;
		border-radius: 10px;
	}

	.msb-message-group {
		flex-direction: column;
	}

	.msb-submit {
		width: 100%;
		padding: 12px;
	}
}