/**
 * Mbilletech Virtual - Unified Responsive Stylesheet
 * File: assets/css/virtual-style.css
 * Description: Complete design system, responsive layout scaffolding,
 * authentication UI, dashboard matrices, 3-in-1 live classroom, vector canvas,
 * 10-Q rubric grading portal, batch attendance, and mobile breakpoint resets.
 * Breakpoints Supported: 360px, 480px, 520px, 720px, 768px, 1080px+
 * Version: 1.0.0
 */

/* ==========================================================================
   1. DESIGN SYSTEM VARIABLES & ROOT TOKENS
   ========================================================================== */
:root {
	--mbt-primary: #2563eb;
	--mbt-primary-hover: #1d4ed8;
	--mbt-primary-dark: #1e3a8a;
	--mbt-primary-light: #eff6ff;
	--mbt-primary-border: #bfdbfe;

	--mbt-teal: #0d9488;
	--mbt-teal-hover: #0f766e;
	--mbt-teal-light: #f0fdfa;
	--mbt-teal-border: #99f6e4;

	--mbt-purple: #9333ea;
	--mbt-purple-hover: #7e22ce;
	--mbt-purple-light: #faf5ff;
	--mbt-purple-border: #e9d5ff;

	--mbt-success: #16a34a;
	--mbt-success-hover: #15803d;
	--mbt-success-light: #f0fdf4;
	--mbt-success-border: #bbf7d0;

	--mbt-warning: #ea580c;
	--mbt-warning-hover: #c2410c;
	--mbt-warning-light: #fff7ed;
	--mbt-warning-border: #fed7aa;

	--mbt-amber: #d97706;
	--mbt-amber-light: #fffbeb;
	--mbt-amber-border: #fde68a;

	--mbt-danger: #dc2626;
	--mbt-danger-hover: #b91c1c;
	--mbt-danger-light: #fef2f2;
	--mbt-danger-border: #fecaca;

	--mbt-dark: #0f172a;
	--mbt-dark-surface: #1e293b;
	--mbt-slate: #334155;
	--mbt-muted: #121212;
	--mbt-border: #cbd5e1;
	--mbt-border-light: #e2e8f0;
	--mbt-border-subtle: #f1f5f9;
	--mbt-bg-light: #f8fafc;
	--mbt-white: #ffffff;

	--mbt-radius-sm: 4px;
	--mbt-radius-md: 6px;
	--mbt-radius-lg: 8px;
	--mbt-radius-xl: 12px;
	--mbt-radius-full: 9999px;

	--mbt-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--mbt-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
	--mbt-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
	--mbt-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

	--mbt-font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	--mbt-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

/* ==========================================================================
   2. UNIVERSAL SCOPED RESETS & CONTAINER ARCHITECTURE
   ========================================================================== */
.mbt-auth-wrapper,
.mbt-admin-portal-wrap,
.mbt-worker-portal-wrap,
.mbt-teacher-portal-wrap,
.mbt-student-portal-wrap,
.mbt-parent-portal-wrap,
.mbt-classroom-container,
.mbt-whiteboard-standalone-wrap,
.mbt-workspace-wrap,
.mbt-grading-portal-wrap,
.mbt-attendance-wrap,
.mbt-moderation-queue-wrap,
.mbt-announcements-wrapper {
	font-family: var(--mbt-font-main);
	color: var(--mbt-slate);
	line-height: 1.5;
	box-sizing: border-box;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	width: 100%;
}

.mbt-auth-wrapper *,
.mbt-admin-portal-wrap *,
.mbt-worker-portal-wrap *,
.mbt-teacher-portal-wrap *,
.mbt-student-portal-wrap *,
.mbt-parent-portal-wrap *,
.mbt-classroom-container *,
.mbt-whiteboard-standalone-wrap *,
.mbt-workspace-wrap *,
.mbt-grading-portal-wrap *,
.mbt-attendance-wrap *,
.mbt-moderation-queue-wrap *,
.mbt-announcements-wrapper * {
	box-sizing: border-box;
}

/* ==========================================================================
   3. UNIVERSAL UI COMPONENTS: CARDS, PANELS, ALERTS, BUTTONS & TABLES
   ========================================================================== */

/* Panels & Dashboard Containers */
.mbt-dashboard-panel {
	background: var(--mbt-white);
	border-radius: var(--mbt-radius-xl);
	border: 1px solid var(--mbt-border-light);
	box-shadow: var(--mbt-shadow-sm);
	transition: box-shadow 0.2s ease, border-color 0.2s ease;
	width: 100%;
}

.mbt-dashboard-panel:hover {
	border-color: var(--mbt-border);
	box-shadow: var(--mbt-shadow-md);
}

/* Stats Metrics Cards Grid */
.mbt-stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 18px;
	width: 100%;
}

.mbt-stat-card {
	background: var(--mbt-white);
	padding: 22px 20px;
	border-radius: var(--mbt-radius-lg);
	border: 1px solid var(--mbt-border-light);
	box-shadow: var(--mbt-shadow-sm);
	display: flex;
	align-items: center;
	gap: 16px;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	min-width: 0;
	overflow: hidden;
}

.mbt-stat-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--mbt-shadow-md);
}

/* Alert Notification Boxes */
.mbt-alert {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	padding: 14px 18px;
	border-radius: var(--mbt-radius-lg);
	font-size: 13.5px;
	line-height: 1.45;
	box-sizing: border-box;
	width: 100%;
}

.mbt-alert-icon {
	font-size: 18px;
	line-height: 1;
	flex-shrink: 0;
}

.mbt-alert-text {
	flex-grow: 1;
	min-width: 0;
	overflow-wrap: break-word;
	word-break: break-word;
}

.mbt-alert-danger {
	background: var(--mbt-danger-light);
	border: 1px solid var(--mbt-danger-border);
	color: #991b1b;
}

.mbt-alert-success {
	background: var(--mbt-success-light);
	border: 1px solid var(--mbt-success-border);
	color: #166534;
}

.mbt-alert-warning {
	background: var(--mbt-amber-light);
	border: 1px solid var(--mbt-amber-border);
	color: #92400e;
}

.mbt-alert-info {
	background: var(--mbt-primary-light);
	border: 1px solid var(--mbt-primary-border);
	color: #1e40af;
}

.mbt-purge-alert {
	border-left: 5px solid var(--mbt-danger);
}

/* Data Tables */
.mbt-table-responsive {
	width: 100%;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.mbt-data-table {
	width: 100%;
	border-collapse: collapse;
	text-align: left;
	font-size: 13.5px;
}

.mbt-data-table th {
	background: var(--mbt-bg-light);
	color: var(--mbt-slate);
	font-weight: 700;
	padding: 12px 14px;
	border-bottom: 2px solid var(--mbt-border-light);
	white-space: nowrap;
}

.mbt-data-table td {
	padding: 13px 14px;
	border-bottom: 1px solid var(--mbt-border-subtle);
	color: var(--mbt-dark);
	vertical-align: middle;
}

.mbt-data-table tbody tr {
	transition: background-color 0.15s ease;
}

.mbt-data-table tbody tr:hover {
	background-color: var(--mbt-bg-light);
}

/* Form Controls */
.mbt-form-group {
	margin-bottom: 18px;
	width: 100%;
}

.mbt-form-group label {
	display: block;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--mbt-slate);
	margin-bottom: 6px;
}

.mbt-req {
	color: var(--mbt-danger);
	font-weight: 700;
}

.mbt-input {
	width: 100%;
	padding: 11px 14px;
	border: 1.5px solid var(--mbt-border);
	border-radius: var(--mbt-radius-md);
	font-size: 14.5px;
	color: var(--mbt-dark);
	background: var(--mbt-white);
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mbt-input:focus {
	border-color: var(--mbt-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.mbt-field-hint {
	display: block;
	font-size: 11.5px;
	color: var(--mbt-muted);
	margin-top: 4px;
	line-height: 1.35;
}

/* Standard Buttons */
.mbt-submit-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	padding: 12px 20px;
	border: none;
	border-radius: var(--mbt-radius-md);
	font-size: 14.5px;
	font-weight: 700;
	cursor: pointer;
	transition: all 0.15s ease;
	gap: 8px;
	box-sizing: border-box;
	text-decoration: none;
}

.mbt-btn-primary {
	background: var(--mbt-primary);
	color: var(--mbt-white);
}

.mbt-btn-primary:hover {
	background: var(--mbt-primary-hover);
}

.mbt-btn-teal {
	background: var(--mbt-teal);
	color: var(--mbt-white);
}

.mbt-btn-teal:hover {
	background: var(--mbt-teal-hover);
}

.mbt-btn-whatsapp {
	background: #22c55e;
	color: var(--mbt-white);
}

.mbt-btn-whatsapp:hover {
	background: #16a34a;
}

.mbt-btn-sms {
	background: var(--mbt-primary);
	color: var(--mbt-white);
}

.mbt-btn-sms:hover {
	background: var(--mbt-primary-hover);
}

.mbt-btn-sm {
	padding: 6px 12px;
	border-radius: var(--mbt-radius-sm);
	font-size: 12.5px;
	font-weight: 600;
	cursor: pointer;
	border: none;
	display: inline-flex;
	align-items: center;
	gap: 4px;
	text-decoration: none;
	transition: all 0.15s ease;
	white-space: nowrap;
}

/* Modal Backdrops & Dialogs */
.mbt-modal-backdrop {
	position: fixed;
	z-index: 99999;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(15, 23, 42, 0.7);
	display: flex;
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(3px);
	padding: 15px;
}

.mbt-modal-window {
	background: var(--mbt-white);
	border-radius: var(--mbt-radius-xl);
	width: 100%;
	overflow: hidden;
	box-shadow: var(--mbt-shadow-xl);
	border: 1px solid var(--mbt-border-light);
	animation: mbtModalScale 0.2s cubic-bezier(0.16, 1, 0.3, 1);
	max-height: 92vh;
	overflow-y: auto;
}

@keyframes mbtModalScale {
	from {
		opacity: 0;
		transform: scale(0.96);
	}
	to {
		opacity: 1;
		transform: scale(1);
	}
}

/* ==========================================================================
   4. TRI-VECTOR AUTHENTICATION & LOGIN HUB (PROBLEMS 3 & 4)
   ========================================================================== */
.mbt-auth-wrapper {
	max-width: 480px;
	margin: 35px auto;
	background: var(--mbt-white);
	border-radius: var(--mbt-radius-xl);
	border: 1px solid var(--mbt-border-light);
	box-shadow: var(--mbt-shadow-lg);
	padding: 35px 30px;
	width: 100%;
}

.mbt-auth-header {
	text-align: center;
	margin-bottom: 25px;
}

.mbt-auth-icon-badge {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	width: 54px;
	height: 54px;
	background: var(--mbt-primary-light);
	color: var(--mbt-primary);
	border-radius: var(--mbt-radius-xl);
	margin-bottom: 12px;
	border: 1px solid var(--mbt-primary-border);
}

.mbt-auth-icon-badge .dashicons {
	font-size: 28px;
	width: 28px;
	height: 28px;
	padding:10px;
}

.mbt-auth-header h2 {
	margin: 0 0 6px 0;
	font-size: 22px;
	font-weight: 800;
	color: var(--mbt-dark);
	overflow-wrap: break-word;
	word-break: break-word;
}

.mbt-auth-header p {
	margin: 0;
	font-size: 14px;
	color: var(--mbt-muted);
}

.mbt-method-selector-grid {
	display: flex;
	flex-direction: column;
	gap: 14px;
	margin-top: 15px;
	width: 100%;
}

.mbt-method-card-btn {
	display: flex;
	align-items: center;
	gap: 14px;
	width: 100%;
	padding: 16px 18px;
	background: var(--mbt-white);
	border: 1.5px solid var(--mbt-border-light);
	border-radius: var(--mbt-radius-lg);
	text-align: left;
	cursor: pointer;
	transition: all 0.2s ease-in-out;
	min-width: 0;
	overflow: hidden;
}

.mbt-method-card-btn:hover {
	border-color: var(--mbt-primary);
	background: var(--mbt-bg-light);
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.mbt-method-icon-wrap {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border-radius: var(--mbt-radius-md);
	flex-shrink: 0;
}

.mbt-icon-otp {
	background: var(--mbt-success-light);
	color: var(--mbt-success);
}

.mbt-icon-classic {
	background: var(--mbt-primary-light);
	color: var(--mbt-primary);
}

.mbt-icon-educmaster {
	background: var(--mbt-teal-light);
	color: var(--mbt-teal);
}

.mbt-method-content {
	flex: 1 1 auto;
	min-width: 0;
	overflow: hidden;
}

.mbt-method-title {
	display: block;
	font-size: 15px;
	color: var(--mbt-dark);
	font-weight: 700;
	margin-bottom: 2px;
	white-space: normal;
	overflow-wrap: break-word;
	word-break: break-word;
}

.mbt-method-desc {
	display: block;
	font-size: 12px;
	color: var(--mbt-muted);
	line-height: 1.35;
	white-space: normal;
	overflow-wrap: break-word;
	word-break: break-word;
}

.mbt-method-arrow {
	font-size: 18px;
	color: var(--mbt-muted);
	font-weight: 700;
	flex-shrink: 0;
}

.mbt-educmaster-input {
	font-family: var(--mbt-font-mono);
	letter-spacing: 1.5px;
	font-weight: 700;
	color: var(--mbt-teal);
}

.mbt-otp-code-input {
	font-family: var(--mbt-font-mono);
	font-size: 26px;
	text-align: center;
	letter-spacing: 8px;
	font-weight: 800;
	color: var(--mbt-primary);
}

.mbt-otp-btn-row {
	display: flex;
	gap: 10px;
	margin-top: 10px;
	width: 100%;
}

.mbt-form-options-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 20px;
	font-size: 13px;
	flex-wrap: wrap;
	gap: 8px;
}

.mbt-auth-footer {
	text-align: center;
	margin-top: 25px;
	padding-top: 20px;
	border-top: 1px solid var(--mbt-border-light);
	font-size: 13px;
	color: var(--mbt-muted);
}

/* ==========================================================================
   5. 3-IN-1 LIVE CLASSROOM & BROADCAST STUDIO
   ========================================================================== */
.mbt-classroom-main-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
	gap: 24px;
	margin-bottom: 25px;
	width: 100%;
}

.mbt-classroom-panel {
	background: var(--mbt-white);
	border-radius: var(--mbt-radius-xl);
	border: 1px solid var(--mbt-border-light);
	overflow: hidden;
	box-shadow: var(--mbt-shadow-sm);
}

.mbt-panel-header {
	background: var(--mbt-bg-light);
	padding: 14px 20px;
	border-bottom: 1px solid var(--mbt-border-light);
	font-weight: 700;
	font-size: 14.5px;
	color: var(--mbt-dark);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.mbt-video-viewport {
	background: #000000;
	flex-grow: 1;
	min-height: 480px;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
}

.mbt-video-viewport iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: none;
}

/* Live Radar Pulse Animation */
@keyframes mbtLivePulse {
	0% {
		transform: scale(1);
		opacity: 1;
	}
	50% {
		transform: scale(1.6);
		opacity: 0.4;
	}
	100% {
		transform: scale(1);
		opacity: 1;
	}
}

.mbt-live-pulse-dot {
	display: inline-block;
	width: 8px;
	height: 8px;
	background: var(--mbt-white);
	border-radius: 50%;
	animation: mbtLivePulse 1.5s infinite;
}

/* Live Classroom Attendee Roster Grid */
.mtc-roster-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 10px;
	padding: 10px 0;
}

.mtc-roster-card {
	display: flex;
	align-items: center;
	gap: 10px;
	background: var(--mbt-bg-light);
	border: 1px solid var(--mbt-border-light);
	padding: 8px 12px;
	border-radius: var(--mbt-radius-md);
}

/* ==========================================================================
   6. STANDALONE & EMBEDDED VECTOR WHITEBOARD (HTML5 CANVAS & STENCILS)
   ========================================================================== */
.mtc-wb-canvas-wrapper,
.mbt-canvas-viewport-wrap {
	flex-grow: 1;
	background: var(--mbt-white);
	min-height: 500px;
	position: relative;
	overflow: hidden;
}

.mbt-wb-action-btn,
.mbt-wb-tool-btn,
.mbt-wb-btn {
	background: var(--mbt-white);
	border: 1.5px solid var(--mbt-border);
	padding: 6px 8px;
	border-radius: var(--mbt-radius-md);
	cursor: pointer;
	font-size: 15px;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	color: var(--mbt-slate);
	transition: all 0.15s ease;
	box-sizing: border-box;
}

.mbt-wb-action-btn:hover,
.mbt-wb-tool-btn:hover,
.mbt-wb-btn:hover {
	background: var(--mbt-primary-light);
	border-color: var(--mbt-primary);
	color: var(--mbt-primary);
}

.mbt-wb-tool-btn.active,
.mbt-wb-draw-tool.active,
.mbt-wb-tool-icon.active {
	background: var(--mbt-primary);
	color: var(--mbt-white);
	border-color: var(--mbt-primary-hover);
}

.mbt-wb-stencil-btn,
.mbt-wb-tool-btn-sm,
.mbt-wb-stencil {
	background: var(--mbt-white);
	border: 1.5px solid var(--mbt-border);
	padding: 6px 12px;
	border-radius: var(--mbt-radius-md);
	font-size: 12.5px;
	font-weight: 700;
	color: var(--mbt-slate);
	cursor: pointer;
	transition: all 0.15s ease;
}

.mbt-wb-stencil-btn:hover,
.mbt-wb-tool-btn-sm:hover,
.mbt-wb-stencil:hover {
	background: var(--mbt-primary-light);
	border-color: var(--mbt-primary);
	color: var(--mbt-primary);
}

.mbt-wb-stencil-btn.active,
.mbt-wb-tool-btn-sm.active,
.mbt-wb-stencil.active {
	background: var(--mbt-primary);
	color: var(--mbt-white);
	border-color: var(--mbt-primary-hover);
}

.mbt-wb-draw-tool,
.mbt-wb-tool-icon {
	background: var(--mbt-white);
	border: 1.5px solid var(--mbt-border);
	padding: 6px;
	border-radius: var(--mbt-radius-md);
	cursor: pointer;
	font-size: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	transition: all 0.15s ease;
	box-sizing: border-box;
}

.mbt-wb-draw-tool:hover,
.mbt-wb-tool-icon:hover {
	background: var(--mbt-primary-light);
	border-color: var(--mbt-primary);
}

/* ==========================================================================
   7. 10-QUESTION MATRIX GRADING PORTAL & RUBRIC SCORING (PROBLEM 10)
   ========================================================================== */
.mbt-matrix-grid {
	display: grid;
	grid-template-columns: repeat(10, 1fr);
	gap: 8px;
	width: 100%;
}

.mbt-q-score-input,
.mbt-q-matrix-input {
	width: 100%;
	height: 42px;
	padding: 8px 4px;
	font-size: 16px;
	font-weight: 800;
	text-align: center;
	border: 2px solid var(--mbt-primary);
	border-radius: var(--mbt-radius-md);
	background: var(--mbt-white);
	color: var(--mbt-dark);
	outline: none;
	box-sizing: border-box;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mbt-q-score-input:focus,
.mbt-q-matrix-input:focus {
	border-color: var(--mbt-primary-dark);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ==========================================================================
   8. 1-CLICK BATCH CLASSROOM ATTENDANCE ROLL-CALL
   ========================================================================== */
.mbt-att-pill {
	background: var(--mbt-bg-light);
	color: var(--mbt-slate);
	border: 1.5px solid var(--mbt-border);
	padding: 6px 14px;
	border-radius: var(--mbt-radius-md);
	font-weight: 700;
	font-size: 12.5px;
	cursor: pointer;
	transition: all 0.15s ease;
}

.mbt-att-pill:hover {
	border-color: var(--mbt-muted);
	background: #e2e8f0;
}

.mbt-att-pill.active-present {
	background: var(--mbt-success) !important;
	color: var(--mbt-white) !important;
	border-color: var(--mbt-success-hover) !important;
	box-shadow: 0 2px 5px rgba(22, 163, 74, 0.3);
}

.mbt-att-pill.active-late {
	background: var(--mbt-amber) !important;
	color: var(--mbt-white) !important;
	border-color: #b45309 !important;
	box-shadow: 0 2px 5px rgba(217, 119, 6, 0.3);
}

.mbt-att-pill.active-absent {
	background: var(--mbt-danger) !important;
	color: var(--mbt-white) !important;
	border-color: var(--mbt-danger-hover) !important;
	box-shadow: 0 2px 5px rgba(220, 38, 38, 0.3);
}

/* ==========================================================================
   9. PARENT MULTI-CHILD TAB SWITCHER
   ========================================================================== */
.mbt-child-switcher-tabs {
	display: flex;
	gap: 10px;
	overflow-x: auto;
	padding-bottom: 6px;
	-webkit-overflow-scrolling: touch;
	width: 100%;
}

.mbt-child-tab-btn {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 12px 20px;
	background: var(--mbt-white);
	color: var(--mbt-slate);
	border: 1.5px solid var(--mbt-border);
	border-radius: var(--mbt-radius-lg);
	font-weight: 700;
	font-size: 14px;
	cursor: pointer;
	transition: all 0.2s ease;
	white-space: nowrap;
}

.mbt-child-tab-btn:hover {
	border-color: var(--mbt-primary);
	background: var(--mbt-bg-light);
}

.mbt-child-tab-btn.mbt-active {
	background: var(--mbt-primary);
	color: var(--mbt-white);
	border-color: var(--mbt-primary);
	box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

/* ==========================================================================
   10. ENROLLED CLASSES CARDS (PROBLEM 8 - IMAGE b4)
   ========================================================================== */
.mbt-enrolled-class-card {
	background: var(--mbt-white);
	border: 1.5px solid var(--mbt-border-light);
	border-radius: var(--mbt-radius-lg);
	padding: 20px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	box-shadow: var(--mbt-shadow-sm);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mbt-enrolled-class-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--mbt-shadow-md);
}

/* ==========================================================================
   11. SCHEDULE & ANNOUNCEMENT TIMETABLE CARDS
   ========================================================================== */
.mbt-announcement-card {
	background: var(--mbt-white);
	border-radius: var(--mbt-radius-lg);
	border: 1.5px solid var(--mbt-border-light);
	box-shadow: var(--mbt-shadow-sm);
	padding: 22px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	gap: 16px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.mbt-announcement-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--mbt-shadow-md);
}

/* ==========================================================================
   12. SUPPORT FOOTER (PROBLEM 6)
   ========================================================================== */
.mbt-portal-support-footer {
	margin-top: 40px;
	padding: 20px 24px;
	background: var(--mbt-white);
	border: 1.5px solid var(--mbt-border-light);
	border-radius: var(--mbt-radius-xl);
	box-shadow: var(--mbt-shadow-sm);
	text-align: center;
	width: 100%;
}

/* ==========================================================================
   13. GRANULAR RESPONSIVE MEDIA QUERIES (360px, 480px, 520px, 720px, 768px, 1080px+)
   ========================================================================== */

/* Breakpoint 1: 1080px (Laptops & Standard Desktops) */
@media screen and (max-width: 1080px) {
	.mbt-classroom-main-grid {
		grid-template-columns: 1fr;
	}

	.mbt-video-viewport {
		min-height: 440px;
	}

	.mtc-wb-canvas-wrapper,
	.mbt-canvas-viewport-wrap {
		min-height: 460px;
	}
}

/* Breakpoint 2: 768px (Tablets & Medium Screens) */
@media screen and (max-width: 768px) {
	.mbt-admin-header,
	.mbt-worker-header,
	.mbt-teacher-header,
	.mbt-student-header,
	.mbt-parent-header,
	.mbt-gp-header,
	.mbt-att-header,
	.mbt-ws-header,
	.mbt-wb-header,
	.mbt-classroom-header {
		flex-direction: column;
		align-items: flex-start;
		gap: 14px;
		padding: 20px;
	}

	.mbt-stats-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.mbt-matrix-grid {
		grid-template-columns: repeat(5, 1fr) !important;
		gap: 10px !important;
	}

	.mbt-video-viewport,
	.mtc-wb-canvas-wrapper,
	.mbt-canvas-viewport-wrap,
	.mbt-student-wb-viewport {
		min-height: 380px !important;
	}

	.mbt-status-toggle-group {
		flex-direction: column;
		width: 100%;
		gap: 4px;
	}

	.mbt-att-pill {
		width: 100%;
		text-align: center;
	}
}

/* Breakpoint 3: 720px (Compact Tablets / Landscape Phones) */
@media screen and (max-width: 720px) {
	.mbt-auth-wrapper {
		max-width: 440px;
		margin: 20px auto;
		padding: 28px 22px;
	}
}

/* Breakpoint 4: 520px (Standard Mobile Viewports) */
@media screen and (max-width: 520px) {
	.mbt-auth-wrapper {
		padding: 24px 16px;
		margin: 15px auto;
		border-radius: var(--mbt-radius-lg);
		width: 100%;
	}

	.mbt-stats-grid {
		grid-template-columns: 1fr;
	}

	.mbt-matrix-grid {
		grid-template-columns: repeat(3, 1fr) !important;
		gap: 8px !important;
	}

	.mbt-form-row,
	.mbt-otp-btn-row {
		flex-direction: column;
	}

	.mbt-method-card-btn {
		padding: 14px 12px;
		gap: 10px;
	}

	.mbt-method-icon-wrap {
		width: 38px;
		height: 38px;
	}

	.mbt-method-icon-wrap .dashicons {
		font-size: 20px;
		width: 20px;
		height: 20px;
		padding:10px;
	}

	.mbt-method-title {
		font-size: 14px;
	}

	.mbt-method-desc {
		font-size: 11.5px;
		color: var(--mbt-muted);
	}

	.mbt-wb-top-toolbar,
	.mbt-wb-top-ribbon {
		flex-direction: column;
		align-items: flex-start;
	}

	.mbt-admin-portal-wrap,
	.mbt-worker-portal-wrap,
	.mbt-teacher-portal-wrap,
	.mbt-student-portal-wrap,
	.mbt-parent-portal-wrap,
	.mbt-classroom-container,
	.mbt-whiteboard-standalone-wrap,
	.mbt-workspace-wrap,
	.mbt-grading-portal-wrap,
	.mbt-attendance-wrap,
	.mbt-moderation-queue-wrap {
		padding: 0 5px;
	}

	.mbt-video-viewport,
	.mtc-wb-canvas-wrapper,
	.mbt-canvas-viewport-wrap,
	.mbt-student-wb-viewport {
		min-height: 300px !important;
	}

	.mbt-btn-leave {
		width: 100%;
		justify-content: center;
	}
}

/* Breakpoint 5: 480px (Compact Mobile Screens & iOS Viewports) */
@media screen and (max-width: 480px) {
	.mbt-auth-header h2 {
		font-size: 19px;
	}

	.mbt-input {
		font-size: 16px; /* Prevents auto-zoom on iOS Safari */
		padding: 10px 12px;
	}

	.mbt-otp-code-input {
		font-size: 20px;
		letter-spacing: 6px;
	}

	.mbt-submit-btn {
		padding: 11px 14px;
		font-size: 14px;
	}

	.mbt-modal-window {
		width: 96% !important;
		margin: 10px auto !important;
	}

	.mbt-modal-body {
		padding: 16px 18px !important;
	}

	.mbt-stat-card {
		padding: 16px 14px;
	}
}

/* Breakpoint 6: 360px (Ultra-Compact Mobile Screens) */
@media screen and (max-width: 360px) {
	.mbt-auth-wrapper {
		padding: 20px 12px;
	}

	.mbt-auth-header h2 {
		font-size: 17.5px;
	}

	.mbt-method-card-btn {
		padding: 12px 8px;
		gap: 8px;
	}

	.mbt-method-arrow {
		display: none;
	}

	.mbt-matrix-grid {
		grid-template-columns: repeat(2, 1fr) !important;
	}

	.mbt-admin-header h1,
	.mbt-worker-header h1,
	.mbt-teacher-header h1,
	.mbt-student-header h1,
	.mbt-parent-header h1,
	.mbt-gp-header h1,
	.mbt-ws-header h1 {
		font-size: 18px;
	}

	.mbt-btn-action {
		width: 100%;
		justify-content: center;
	}

	.mbt-child-tab-btn {
		padding: 10px 14px;
		font-size: 13px;
	}
}