/* ============ ROOT VARIABLES ============ */
:root {
	--app-nav-height: 64px;
	--brand-primary: #1A6291;
	--brand-primary-soft: #e6f1f9;
	--bs-primary: #1A6291;
	--bs-primary-rgb: 26, 98, 145;
	--bs-modal-bg: #fff;
	--bs-modal-border-color: #dee2e6;
}

/* ============ GLOBAL STYLES ============ */
.app-bg {
	background: #f3f5f8;
	min-height: 100vh;
}

/* ============ NAVBAR ============ */
.app-navbar {
	backdrop-filter: blur(6px);
	height: var(--app-nav-height);
	padding-top: 0;
	padding-bottom: 0;
}

.app-navbar .container-fluid {
	height: 100%;
}

.app-navbar .navbar-brand {
	height: 100%;
	margin-bottom: 0;
}

.app-logo {
	width: 158px;
	height: 158px;
	object-fit: contain;
	border: 0;
	background: transparent;
}

.app-brand-name {
	font-size: clamp(1.1rem, 1rem + 0.4vw, 1.35rem);
	line-height: 1;
	font-weight: 700;
	color: #111827;
}

/* ============ BADGES & NOTIFICATIONS ============ */
.message-noti-badge {
	position: absolute !important;
	top: 2px !important;
	right: 2px !important;
	width: 10px !important;
	height: 10px !important;
	background: #ef4444 !important;
	border-radius: 50% !important;
	display: block !important;
	flex-shrink: 0 !important;
	box-shadow: 0 0 0 2px #fff;
}

/* ============ UTILITIES ============ */
.feed-layout {
	max-width: 1280px;
	margin: 0 auto;
}

/* Chỉ khóa một hàng trên desktop để 3 cột feed không xuống dòng */
@media (min-width: 992px) {
	.feed-layout > .feed-layout-row {
		flex-wrap: nowrap;
		align-items: flex-start;
	}
}

/* Cột giữa & cột phải: cuộn nội bộ (wheel khi hover từng vùng), ẩn thanh scrollbar */
@media (min-width: 992px) {
	.feed-main-column {
		max-height: calc(100vh - var(--app-nav-height) - 2.75rem);
		overflow-y: auto;
		overflow-x: hidden;
		-webkit-overflow-scrolling: touch;
		overscroll-behavior: contain;
		-ms-overflow-style: none;
		scrollbar-width: none;
	}

	.feed-main-column::-webkit-scrollbar {
		display: none;
		width: 0;
		height: 0;
	}

	.feed-widgets-column .right-sticky {
		display: flex;
		flex-direction: column;
		gap: 1rem;
		max-height: calc(100vh - var(--app-nav-height) - 2.75rem);
		overflow-y: auto;
		overflow-x: hidden;
		-webkit-overflow-scrolling: touch;
		overscroll-behavior: contain;
		position: sticky;
		top: calc(var(--app-nav-height) + 1rem);
		-ms-overflow-style: none;
		scrollbar-width: none;
	}

	.feed-widgets-column .right-sticky::-webkit-scrollbar {
		display: none;
		width: 0;
		height: 0;
	}
}

:root {
	--app-nav-height: 64px;
	--brand-primary: #1A6291;
	--brand-primary-soft: #e6f1f9;
	--bs-primary: #1A6291;
	--bs-primary-rgb: 26, 98, 145;
}

.left-sidebar {
	position: sticky;
	top: calc(var(--app-nav-height) + 1rem);
	height: calc(100vh - var(--app-nav-height) - 2rem);
}

.left-sidebar-body {
	height: 100%;
	min-height: 0;
}

.left-sidebar .sidebar-menu {
	overflow-y: auto;
	padding-right: 4px;
}

.right-sticky {
	position: sticky;
	top: calc(var(--app-nav-height) + 1rem);
}

@media (max-width: 991.98px) {
	.right-sticky {
		position: static;
		max-height: none;
		overflow: visible;
	}
}

.sidebar-menu .nav-link {
	border-radius: 999px;
	display: inline-flex;
	align-items: center;
	gap: 12px;
	padding: 10px 14px;
	font-size: 1.05rem;
	font-weight: 500;
	color: var(--brand-primary);
	width: 100%;
}

.sidebar-menu .nav-link.sidebar-nav-with-badge {
	justify-content: space-between;
	gap: 8px;
}

.sidebar-menu .nav-link .sidebar-notif-badge {
	background-color: var(--brand-primary);
	color: #fff;
	font-size: 0.72rem;
	font-weight: 700;
	padding: 0.2em 0.5em;
	min-width: 1.35rem;
	line-height: 1.2;
}

.sidebar-menu .nav-link.active,
.sidebar-menu .nav-link:hover {
	background: var(--brand-primary-soft);
	color: var(--brand-primary);
}

.menu-label {
	font-size: 0.95rem;
	white-space: nowrap;
}

.sidebar-profile {
	padding: 8px 10px;
	margin-top: 0;
}

.sidebar-divider {
	height: 1px;
	background: #d8e1ea;
	margin-top: auto;
	margin-bottom: 10px;
}

/* ============ FEED COMPONENTS ============ */
.feed-search-input {
	background: var(--brand-primary-soft);
	color: var(--brand-primary);
}

.feed-search-input::placeholder {
	color: #6c8ba4;
}

.btn-follow {
	background: var(--brand-primary-soft);
	color: var(--brand-primary);
	border: 1px solid #c7dcec;
	font-weight: 600;
}

.btn-follow:hover {
	background: #d9eaf6;
	color: #144f76;
}
.feed-tabs {
	margin-top: 10px;
}
.feed-tabs .nav-link {
	font-size: 0.9rem;
	color: #6b7280;
}

.feed-tabs .nav-link.active {
	color: var(--brand-primary);
	font-weight: 600;
}

.avatar-sm,
.avatar-lg {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: #8adfd7;
	color: #0a3d3a;
	font-weight: 600;
	flex-shrink: 0;
}

.avatar-sm {
	width: 40px;
	height: 40px;
}

.avatar-lg {
	width: 52px;
	height: 52px;
}
/* ============ CHAT CONTAINER ============ */
.chat-shell {
	max-width: 1360px;
	margin: 0 auto;
	position: relative;
}

.chat-frame {
	background: #ffffff;
	border: 1px solid #e3e8ee;
	min-height: calc(100vh - var(--app-nav-height) - 5rem);
	display: grid;
	grid-template-columns: 64px 300px minmax(360px, 1fr);
	gap: 0;
	overflow: hidden;
}

.chat-shell.chat-detail-open .chat-frame {
	grid-template-columns: 64px 300px minmax(360px, 1fr) 300px;
}

/* ============ SIDEBAR RAIL ============ */
.chat-rail {
	border-right: 1px solid #e8edf3;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	padding: 18px 8px;
}

.chat-rail-btn {
	position: relative;
	width: 38px;
	height: 38px;
	border-radius: 50%;
	border: 0;
	background: transparent;
	color: #1a6291;
	font-size: 1.4rem;
	display: grid;
	place-items: center;
	text-decoration: none;
	cursor: pointer;
}

.chat-rail-btn.active,
.chat-rail-btn:hover {
	background: #e7f2fb;
}

.chat-rail-btn::after {
	content: attr(data-label);
	position: absolute;
	left: calc(100% + 10px);
	top: 50%;
	transform: translateY(-50%);
	background: #0f172a;
	color: #fff;
	font-size: 0.72rem;
	padding: 4px 8px;
	border-radius: 6px;
	white-space: nowrap;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.16s ease;
	z-index: 5;
}

.chat-rail-btn:hover::after {
	opacity: 1;
}

.chat-rail-avatar {
	margin-top: auto;
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: var(--avatar-bg, #E6F4FF);
	color: var(--avatar-fg, #005B96);
	font-weight: 700;
	display: grid;
	place-items: center;
	border: none;
	cursor: pointer;
	padding: 0;
	font-size: 0.875rem;
	transition: transform 0.2s ease;
}

.chat-rail-avatar:hover {
	transform: scale(1.1);
}

.chat-rail-avatar-container {
	position: relative;
	margin-top: auto;
	width: 100%;
	display: flex;
	justify-content: center;
}

.chat-user-menu {
	position: absolute;
	bottom: 50px;
	left: 8px;
	background: white;
	border-radius: 12px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
	width: 260px;
	z-index: 1000;
	display: none;
	overflow: hidden;
}

.chat-user-menu.active {
	display: block;
	animation: slideUp 0.2s ease forwards;
}

@keyframes slideUp {
	from {
		opacity: 0;
		transform: translateY(8px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.chat-user-menu-header {
	padding: 16px;
	display: flex;
	align-items: center;
	gap: 12px;
	background: #f8fafc;
}

.chat-user-menu-avatar {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--avatar-bg, #E6F4FF);
	color: var(--avatar-fg, #005B96);
	font-weight: 700;
	display: grid;
	place-items: center;
	flex-shrink: 0;
	font-size: 1.25rem;
}

.chat-user-menu-name {
	font-weight: 600;
	color: #111827;
	font-size: 0.9375rem;
	margin: 0;
	padding: 0;
	line-height: 1.4;
}

.chat-user-menu-email {
	font-size: 0.8125rem;
	color: #6b7280;
	margin: 2px 0 0 0;
	padding: 0;
	word-break: break-word;
	line-height: 1.3;
}

.chat-user-menu-divider {
	height: 1px;
	background: #e5e7eb;
}

.chat-user-menu-item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 16px;
	color: #374151;
	text-decoration: none;
	font-size: 0.9375rem;
	transition: background 0.2s ease, color 0.2s ease;
	width: 100%;
	border: none;
	background: none;
	cursor: pointer;
	font-family: inherit;
}

.chat-user-menu-item:hover {
	background: #f3f4f6;
	color: #1a6291;
}

.chat-user-menu-item i {
	font-size: 1rem;
}

/* ============ CONVERSATION LIST ============ */
.chat-conversations-panel {
	border-right: 1px solid #e8edf3;
	padding: 16px 14px 10px;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.chat-card-title {
	background: #f8fafc;
	border-radius: 14px;
	padding: 10px 12px;
	font-weight: 700;
	font-size: 1.03rem;
}

.chat-section-title {
	font-size: 1.25rem;
	font-weight: 700;
	color: #111827;
	line-height: 1.3;
	margin-bottom: 12px;
}

.chat-search-wrap {
	position: relative;
}

.chat-search-wrap i {
	position: absolute;
	left: 12px;
	top: 50%;
	transform: translateY(-50%);
	color: #7392ab;
}

.chat-search-input {
	width: 100%;
	border: 0;
	border-radius: 999px;
	background: #d7ebf8;
	padding: 8px 12px 8px 34px;
	font-size: 0.9rem;
	color: #154767;
}

.chat-search-input:focus {
	outline: 2px solid #9fc6e4;
}

.chat-search-suggestions {
	border: 1px solid #dde8f2;
	border-radius: 10px;
	padding: 6px;
	max-height: 200px;
	overflow-y: auto;
	background: #fff;
	z-index: 4;
}

.chat-suggestion-item {
	width: 100%;
	border: 0;
	background: transparent;
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px;
	border-radius: 8px;
	text-align: left;
}

.chat-suggestion-item:hover {
	background: #eff6fc;
}

.chat-suggestion-item small {
	display: block;
	color: #64748b;
	font-size: 0.75rem;
}

.chat-conversation-list {
	flex: 1;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 8px;
	padding-right: 2px;
}

.chat-conversation-item {
	border: 1px solid #d7e2ee;
	background: #fff;
	border-radius: 12px;
	padding: 10px;
	display: flex;
	gap: 10px;
	text-align: left;
	width: 100%;
}

.chat-conversation-item.active {
	border-color: #bfd7ea;
	box-shadow: 0 3px 12px rgba(26, 98, 145, 0.14);
}

.chat-conversation-avatar,
.chat-user-avatar {
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: #1a6291;
	color: #fff;
	font-weight: 700;
	font-size: 0.85rem;
	display: grid;
	place-items: center;
	flex-shrink: 0;
}

.chat-conversation-body {
	min-width: 0;
	width: 100%;
}

.chat-conversation-top {
	display: flex;
	justify-content: space-between;
	gap: 8px;
	font-size: 0.85rem;
	margin-bottom: 3px;
}

.chat-conversation-preview {
	font-size: 0.78rem;
	color: #667085;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ============ CHAT THREAD ============ */
.chat-thread-panel {
	display: flex;
	flex-direction: column;
	padding: 14px;
	gap: 10px;
	background: #c6dced;
	position: relative;
}

.chat-thread-header {
	background: #ffffff;
	border: 1px solid #dce7f2;
	border-radius: 8px;
	padding: 8px 10px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 10px;
}

.chat-user-info {
	display: flex;
	align-items: center;
	gap: 10px;
}

.chat-user-name {
	font-weight: 700;
	font-size: 0.96rem;
}

.chat-user-handle {
	font-size: 0.75rem;
	color: #64748b;
}

#chatHeaderStatus,
#chatDetailStatus {
	font-size: 0.72rem;
	color: #20618e;
	font-weight: 600;
}

.chat-icon-btn {
	border: 0;
	background: transparent;
	color: #1a6291;
	font-size: 1rem;
	width: 32px;
	height: 32px;
	border-radius: 50%;
	display: grid;
	place-items: center;
}

.chat-icon-btn:hover {
	background: #eef6fd;
}

/* ============ MESSAGES ============ */
.chat-message-scroll {
	flex: 1;
	overflow-y: auto;
	padding: 8px 6px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	min-height: 0;
	max-height: calc(100vh - 350px);
}

.chat-message-row {
	display: flex;
	gap: 8px;
	align-items: flex-end;
}

.chat-message-row.mine {
	justify-content: flex-end;
}

.chat-message-row.mine .chat-message-avatar {
	order: 2;
}

.chat-message-row.mine .chat-message-body {
	order: 1;
	align-items: flex-end;
}

.chat-message-avatar {
	width: 24px;
	height: 24px;
	border-radius: 50%;
	background: #1a6291;
	color: #fff;
	font-size: 0.7rem;
	font-weight: 700;
	display: grid;
	place-items: center;
	flex-shrink: 0;
}

.chat-message-body {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	max-width: 74%;
}

.chat-message-row.mine .chat-message-body {
	align-items: flex-end;
}

.chat-bubble {
	display: inline-block;
	max-width: 100%;
	padding: 9px 12px;
	border-radius: 10px;
	font-size: 0.83rem;
	line-height: 1.35;
	word-break: normal;
	overflow-wrap: anywhere;
	white-space: pre-wrap;
}

.chat-bubble:has(img) {
	padding: 0 !important;
	overflow: hidden;
	border: none !important;
}

.chat-bubble:has(video) {
	padding: 0 !important;
	border: none !important;
}

.chat-bubble img,
.chat-bubble video {
	max-width: 320px;
	max-height: 400px;
	width: 100%;
	height: auto;
	display: block;
	border-radius: 8px;
}

.chat-bubble.their {
	background: #fff;
	border: 1px solid #1a6291;
	color: #124160;
}

.chat-bubble.mine {
	background: #1a6291;
	border: 1px solid #1a6291;
	color: #fff;
}

.chat-time {
	font-size: 0.65rem;
	margin-top: 2px;
	color: #5f7890;
}

/* ============ COMPOSER ============ */
.chat-composer {
	display: grid;
	grid-template-columns: 1fr auto auto;
	gap: 8px;
	align-items: center;
	background: #ffffff;
	border: 1px solid #1a6291;
	border-radius: 8px;
	padding: 5px;
}

.chat-text-input {
	border: 0;
	padding: 8px 10px;
	font-size: 0.85rem;
	color: #1f2937;
	background: transparent;
}

.chat-text-input:focus {
	outline: none;
}

.chat-send-btn {
	width: 34px;
	height: 34px;
	border-radius: 8px;
	border: 0;
	background: #1a6291;
	color: #fff;
	display: grid;
	place-items: center;
}

.chat-send-btn:disabled {
	opacity: 0.6;
}

/* ============ DETAIL PANEL ============ */
.chat-detail-panel {
	display: none;
	border-left: 1px solid #e8edf3;
	background: #fbfdff;
	flex-direction: column;
	padding: 14px 0;
	min-width: 0;
}

.chat-shell.chat-detail-open .chat-detail-panel {
	display: flex;
}

.chat-detail-title {
	padding: 0 14px 10px;
	font-size: 1.25rem;
	font-weight: 700;
	border-bottom: 1px solid #e5ebf1;
}

.chat-detail-user {
	padding: 12px 14px;
	display: flex;
	align-items: center;
	gap: 10px;
	border-bottom: 1px solid #e5ebf1;
}

.chat-detail-actions {
	display: flex;
	flex-direction: column;
	border-bottom: 1px solid #e5ebf1;
}

.chat-detail-action {
	border: 0;
	background: transparent;
	padding: 10px 14px;
	text-align: left;
	font-size: 0.92rem;
	color: #1f2937;
	border-bottom: 1px solid #edf2f7;
}

.chat-detail-action:last-child {
	border-bottom: 0;
}

.chat-detail-action:hover {
	background: #f2f8fd;
}

.chat-detail-action.danger {
	color: #ef4444;
}

/* ============ ATTACHMENTS ============ */
.chat-attachment-head {
	padding: 12px 14px 6px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
}

.chat-attachment-count {
	font-size: 0.75rem;
	color: #475569;
	background: #e6f2fb;
	border-radius: 999px;
	padding: 1px 8px;
}

.chat-attachment-list {
	padding: 0 10px 10px;
	overflow-y: auto;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.chat-attachment-item {
	display: flex;
	justify-content: space-between;
	gap: 8px;
	padding: 8px 10px;
	border-radius: 8px;
	border: 1px solid #dce8f3;
	background: #fff;
	text-decoration: none;
	color: #1f2937;
}

.chat-attachment-item:hover {
	border-color: #a5c4dd;
	background: #f7fbff;
}

.chat-attachment-item small {
	display: block;
	font-size: 0.7rem;
	color: #64748b;
}

.chat-attachment-ext {
	font-size: 0.7rem;
	font-weight: 700;
	color: #1a6291;
	align-self: center;
}

/* ============ EMPTY STATE ============ */
.chat-empty-overlay {
	position: absolute;
	inset: 0;
	background: #ffffff;
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 8px;
	text-align: center;
	color: #1a6291;
	z-index: 10;
	border-radius: 8px;
}

.chat-empty-overlay i {
	font-size: 3rem;
}

.chat-empty-overlay h3 {
	font-size: 2rem;
	margin-bottom: 0;
}

.chat-empty-overlay p {
	color: #6b7280;
	margin-bottom: 16px;
	margin-top: 8px;
}

.chat-empty-btn {
	padding: 10px 32px;
	background: #1a6291;
	color: white;
	border: none;
	border-radius: 6px;
	font-weight: 500;
	cursor: pointer;
	transition: background 0.2s ease;
}

.chat-empty-btn:hover {
	background: #164d7a;
}

.chat-empty-overlay.show {
	display: flex;
}

.chat-muted {
	font-size: 0.82rem;
	color: #64748b;
	padding: 8px;
}

/* ============ MODALS ============ */
.chat-confirm-modal {
	border: 1px solid #1a6291;
	border-radius: 12px;
}

.chat-primary-btn {
	background: #1a6291;
	border: 0;
	color: #fff;
}

.chat-primary-btn:hover {
	background: #134d75;
	color: #fff;
}

.chat-image-modal::backdrop {
	background: rgba(0, 0, 0, 0.95);
}
/* ============ TABLET & MEDIUM SCREENS ============ */
@media (max-width: 1199.98px) {
	.chat-frame {
		grid-template-columns: 56px 280px minmax(280px, 1fr);
	}

	.chat-shell.chat-detail-open .chat-frame {
		grid-template-columns: 56px 280px minmax(280px, 1fr);
	}

	.chat-detail-panel {
		display: flex;
		position: absolute;
		right: 0;
		top: 0;
		bottom: 0;
		width: 290px;
		transform: translateX(100%);
		transition: transform 0.2s ease;
		box-shadow: -8px 0 24px rgba(15, 23, 42, 0.12);
		z-index: 4;
	}

	.chat-shell.chat-detail-open .chat-detail-panel {
		transform: translateX(0);
	}
}

/* ============ FEED RESPONSIVE ============ */
.preview-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
}

.preview-remove {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    width: 30px;
    height: 30px;
}
#previewContainer {
    width: 100%;
}
#previewImage {
    width: 100%;
    height: auto;
    display: block;
}
.feed-post {
    width: 100%;
}

.card,
.card-body {
    overflow: visible !important;
}


/* Saved.php */
.saved-container {
    background: #f5f7fa;
    padding: 20px;
    border-radius: 16px;
}

.saved-title {
    background: #e9edf2;
    display: inline-block;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-weight: 600;
}

.saved-card {
    background: white;
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: 0.2s;
}

.saved-card:hover {
    transform: translateY(-2px);
}

.saved-img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 10px;
}

.saved-content {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 6px;
}

.saved-meta {
    font-size: 13px;
    color: #6c757d;
}

.dot {
    width: 10px;
    height: 10px;
    background: #d9534f;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
}

.saved-btn {
    background: #f1f3f5;
    border-radius: 10px;
    padding: 8px 16px;
}

.saved-btn:hover {
    background: #e2e6ea;
}

@media (max-width: 991.98px) {
	.left-sidebar,
	.right-sticky {
		position: static;
		height: auto;
	}

	.left-sidebar .sidebar-menu {
		overflow: visible;
	}

	.sidebar-menu .nav-link {
		justify-content: center;
		padding: 10px;
	}

	.menu-label {
		display: none;
	}

	.sidebar-profile {
		justify-content: center;
	}

	.sidebar-divider {
		display: none;
	}

	/* Chat on tablet */
	.chat-frame {
		grid-template-columns: 52px 1fr;
	}

	.chat-conversations-panel {
		max-width: 320px;
	}

	.chat-thread-panel {
		position: absolute;
		left: 332px;
		right: 0;
		top: 0;
		bottom: 0;
	}
}

/* ============ MOBILE SCREENS ============ */
@media (max-width: 767.98px) {
	.sidebar-menu {
		flex-direction: row !important;
		overflow-x: auto;
		padding-bottom: 4px;
	}

	.sidebar-menu .nav-link {
		width: 44px;
		height: 44px;
	}

	/* Chat on mobile */
	.chat-frame {
		grid-template-columns: 1fr;
		min-height: auto;
	}

	.chat-rail {
		display: none;
	}

	.chat-conversations-panel {
		border-right: 0;
		border-bottom: 1px solid #e8edf3;
		max-height: 45vh;
	}

	.chat-thread-panel {
		position: static;
		min-height: 55vh;
	}

	.chat-detail-panel {
		width: 88%;
	}
}