/* ==========================================================================
   Buddy Notification Bell — Frontend Styles
   Mobile-first. Override CSS variables on .bnb-bell-wrapper to theme.
   ========================================================================== */

/* ── CSS Variables ───────────────────────────────────────────────────────── */

.bnb-bell-wrapper {
	--bnb-accent:           #0073aa;
	--bnb-badge-bg:         #cc1818;
	--bnb-panel-bg:         #ffffff;
	--bnb-panel-shadow:     0 8px 24px rgba(0, 0, 0, 0.15);
	--bnb-panel-width:      100%;
	--bnb-panel-radius:     10px;
	--bnb-unread-border:    3px solid #0073aa;
	--bnb-item-hover-bg:    #f5f5f5;
	--bnb-text-primary:     #1d2129;
	--bnb-text-secondary:   #65676b;
	--bnb-font-size:        14px;
	--bnb-border-color:     #e4e6eb;
	--bnb-bell-size:        22px;

	position: relative;
	display: inline-flex;
	align-items: center;
}

/* ── Size variants ───────────────────────────────────────────────────────── */

.bnb-size-small  { --bnb-bell-size: 18px; }
.bnb-size-normal { --bnb-bell-size: 22px; }
.bnb-size-large  { --bnb-bell-size: 28px; }

/* ── Bell button ─────────────────────────────────────────────────────────── */

.bnb-bell-button {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: transparent;
	border: none;
	cursor: pointer;
	padding: 6px;
	border-radius: 50%;
	color: inherit;
	line-height: 1;
	transition: background 0.2s ease;
}

.bnb-bell-button:hover,
.bnb-bell-button:focus-visible {
	background: rgba(0, 0, 0, 0.06);
	outline: none;
}

.bnb-bell-icon {
	display: block;
	width: var(--bnb-bell-size);
	height: var(--bnb-bell-size);
}

/* ── Count badge ─────────────────────────────────────────────────────────── */

.bnb-count {
	position: absolute;
	top: 0;
	right: 0;
	min-width: 18px;
	height: 18px;
	padding: 0 4px;
	border-radius: 9px;
	background: var(--bnb-badge-bg);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	line-height: 18px;
	text-align: center;
	pointer-events: none;
	transform: translate(40%, -30%);
}

/* ── Bell ring animation ─────────────────────────────────────────────────── */

@keyframes bnb-ring {
	0%   { transform: rotate(0deg); }
	10%  { transform: rotate(15deg); }
	20%  { transform: rotate(-13deg); }
	30%  { transform: rotate(11deg); }
	40%  { transform: rotate(-9deg); }
	50%  { transform: rotate(7deg); }
	60%  { transform: rotate(-5deg); }
	70%  { transform: rotate(3deg); }
	80%  { transform: rotate(-1deg); }
	100% { transform: rotate(0deg); }
}

.bnb-bell-ringing .bnb-bell-icon {
	animation: bnb-ring 0.8s ease forwards;
	transform-origin: top center;
}

/* ── Dropdown panel ──────────────────────────────────────────────────────── */

.bnb-dropdown {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	width: 100%;
	max-height: 100vh;
	overflow-y: auto;
	background: var(--bnb-panel-bg);
	z-index: 9999;
	opacity: 0;
	transform: translateY(8px);
	transition: opacity 0.18s ease, transform 0.18s ease;
	pointer-events: none;
}

.bnb-dropdown:not([hidden]) {
	opacity: 1;
	transform: translateY(0);
	pointer-events: auto;
}

/* ── Dropdown header ─────────────────────────────────────────────────────── */

.bnb-dropdown-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px 10px;
	border-bottom: 1px solid var(--bnb-border-color);
	position: sticky;
	top: 0;
	background: var(--bnb-panel-bg);
	z-index: 1;
}

.bnb-dropdown-title {
	font-size: 18px;
	font-weight: 700;
	color: var(--bnb-text-primary);
	line-height: 1;
}

.bnb-mark-all-read {
	background: none;
	border: none;
	cursor: pointer;
	color: var(--bnb-accent);
	font-size: 13px;
	font-weight: 600;
	padding: 4px 0;
	line-height: 1;
	transition: opacity 0.15s ease;
}

.bnb-mark-all-read:hover {
	opacity: 0.75;
}

/* ── Notification list ───────────────────────────────────────────────────── */

.bnb-notification-list {
	padding: 6px 0;
}

/* ── Loading state ───────────────────────────────────────────────────────── */

.bnb-loading {
	padding: 20px 16px;
	text-align: center;
	color: var(--bnb-text-secondary);
	font-size: 13px;
}

/* ── Empty state ─────────────────────────────────────────────────────────── */

.bnb-empty {
	padding: 32px 16px;
	text-align: center;
}

.bnb-empty p {
	color: var(--bnb-text-secondary);
	font-size: 13px;
	margin: 0;
}

/* ── Notification item ───────────────────────────────────────────────────── */

.bnb-notification-item {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	padding: 12px 16px;
	cursor: pointer;
	transition: background 0.15s ease;
	border-bottom: 1px solid var(--bnb-border-color);
}

.bnb-notification-item:last-child {
	border-bottom: none;
}

.bnb-notification-item:hover {
	background: var(--bnb-item-hover-bg);
}

.bnb-notification-item.bnb-unread {
	border-left: var(--bnb-unread-border);
}

/* ── Avatar ──────────────────────────────────────────────────────────────── */

.bnb-avatar {
	width: 44px;
	height: 44px;
	border-radius: 50%;
	flex-shrink: 0;
	object-fit: cover;
}

/* ── Content ─────────────────────────────────────────────────────────────── */

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

.bnb-message {
	font-size: var(--bnb-font-size);
	color: var(--bnb-text-primary);
	line-height: 1.4;
	margin: 0 0 4px;
	white-space: normal;
	word-break: break-word;
}

.bnb-notification-item.bnb-unread .bnb-message {
	font-weight: 600;
}

.bnb-time {
	font-size: 12px;
	color: var(--bnb-accent);
	font-weight: 600;
}

/* ── Dismiss button ──────────────────────────────────────────────────────── */

.bnb-dismiss {
	background: none;
	border: none;
	cursor: pointer;
	font-size: 18px;
	line-height: 1;
	color: var(--bnb-text-secondary);
	padding: 0 2px;
	flex-shrink: 0;
	opacity: 0;
	transition: opacity 0.15s ease;
}

.bnb-notification-item:hover .bnb-dismiss {
	opacity: 1;
}

.bnb-dismiss:hover {
	color: var(--bnb-text-primary);
}

/* ── Dropdown footer ─────────────────────────────────────────────────────── */

.bnb-dropdown-footer {
	border-top: 1px solid var(--bnb-border-color);
	text-align: center;
	padding: 12px;
	position: sticky;
	bottom: 0;
	background: var(--bnb-panel-bg);
}

.bnb-see-all {
	display: inline-block;
	font-size: 13px;
	font-weight: 600;
	color: var(--bnb-accent);
	text-decoration: none;
	transition: opacity 0.15s ease;
}

.bnb-see-all:hover {
	opacity: 0.75;
	text-decoration: none;
	color: var(--bnb-accent);
}

/* ── Menu item wrapper ───────────────────────────────────────────────────── */

li.bnb-menu-item {
	display: inline-flex !important;
	align-items: center;
	list-style: none;
}

/* ── Floating bell ───────────────────────────────────────────────────────── */

.bnb-floating-wrap {
	position: fixed;
	bottom: 20px;
	right: 20px;
	z-index: 9999;
}

.bnb-floating-wrap .bnb-bell-button {
	width: 52px;
	height: 52px;
	background: #fff;
	border-radius: 50%;
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
	color: #1d2129;
	transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.bnb-floating-wrap .bnb-bell-button:hover {
	box-shadow: 0 6px 24px rgba(0, 0, 0, 0.22);
	transform: translateY(-2px);
	background: #fff;
}

.bnb-floating-wrap .bnb-bell-icon {
	width: 24px;
	height: 24px;
}

/* ── Tablet and up (>= 480px) ────────────────────────────────────────────── */

@media ( min-width: 480px ) {
	.bnb-dropdown {
		position: absolute;
		top: calc(100% + 10px);
		left: auto;
		right: 0;
		bottom: auto;
		width: 380px;
		max-height: 480px;
		border-radius: var(--bnb-panel-radius);
		border: 1px solid var(--bnb-border-color);
		box-shadow: var(--bnb-panel-shadow);
	}

	/* Left-aligned dropdown */
	.bnb-position-left .bnb-dropdown {
		right: auto;
		left: 0;
	}

	/* Floating bell panel opens upward */
	.bnb-floating-wrap .bnb-dropdown {
		top: auto;
		bottom: calc(100% + 10px);
		right: 0;
	}

	.bnb-notification-list {
		overflow-y: auto;
		max-height: 340px;
	}

	.bnb-notification-list::-webkit-scrollbar {
		width: 4px;
	}
	.bnb-notification-list::-webkit-scrollbar-track {
		background: transparent;
	}
	.bnb-notification-list::-webkit-scrollbar-thumb {
		background: #ccc;
		border-radius: 4px;
	}
}