/* Student Dashboard — থিমের সাথে কনফ্লিক্ট এড়াতে সব স্টাইল .sd-dashboard দিয়ে স্কোপ করা */
.sd-dashboard {
	--sd-ink: #1c2b23;
	--sd-forest: #14532d;
	--sd-forest-light: #166534;
	--sd-brass: #b98a2f;
	--sd-brick: #b91c1c;
	--sd-paper: #fbf8f2;
	--sd-muted: #6b7280;
	--sd-border: #d6d3cd;

	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Bengali", "Hind Siliguri", sans-serif;
	color: var(--sd-ink);
	line-height: 1.6;
	max-width: 860px;
	margin: 0 auto;
	box-sizing: border-box;
}

.sd-dashboard *,
.sd-dashboard *::before,
.sd-dashboard *::after {
	box-sizing: inherit;
}

.sd-dashboard .sd-card {
	background: #fff;
	border: 1px solid var(--sd-border);
	border-radius: 10px;
	padding: 24px;
}

/* ---------- লগইন ---------- */
.sd-dashboard .sd-login-card {
	max-width: 400px;
	margin: 24px auto;
	text-align: center;
}

.sd-dashboard .sd-login-logo {
	font-size: 40px;
}

.sd-dashboard .sd-login-title {
	margin: 8px 0 4px;
	font-size: 22px;
	color: var(--sd-forest);
}

.sd-dashboard .sd-login-sub {
	margin: 0 0 20px;
	font-size: 13px;
	color: var(--sd-muted);
}

.sd-dashboard .sd-login-form {
	text-align: left;
}

.sd-dashboard .sd-field {
	margin-bottom: 14px;
}

.sd-dashboard .sd-field label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	margin-bottom: 5px;
	color: #374151;
}

.sd-dashboard .sd-field input {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--sd-border);
	border-radius: 6px;
	font-size: 14px;
	background: #fff;
}

.sd-dashboard .sd-field input:focus {
	outline: none;
	border-color: var(--sd-brass);
	box-shadow: 0 0 0 2px rgba(185, 138, 47, 0.2);
}

/* ---------- পাসওয়ার্ড রিসেট ---------- */
.sd-dashboard .sd-login-forgot {
	margin-top: 14px;
	text-align: center;
	font-size: 13px;
}

.sd-dashboard .sd-login-forgot a {
	color: var(--sd-forest);
	font-weight: 600;
	text-decoration: none;
}

.sd-dashboard .sd-login-forgot a:hover {
	color: var(--sd-brass);
}

.sd-dashboard .sd-forgot-wrap {
	margin-top: 16px;
	padding-top: 16px;
	border-top: 1px solid var(--sd-border);
	text-align: left;
}

.sd-dashboard .sd-forgot-title {
	margin: 0 0 4px;
	font-size: 15px;
	font-weight: 700;
	color: var(--sd-forest);
}

.sd-dashboard .sd-forgot-sub {
	margin: 0 0 14px;
	font-size: 12px;
	color: var(--sd-muted);
}

.sd-dashboard .sd-alert-success {
	background: #f0fdf4;
	border: 1px solid #bbf7d0;
	color: #166534;
}

/* ---------- বাটন ---------- */
.sd-dashboard .sd-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 10px 18px;
	border: 1px solid transparent;
	border-radius: 6px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	transition: opacity 0.15s, background 0.15s;
	line-height: 1.4;
}

.sd-dashboard .sd-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.sd-dashboard .sd-btn-primary {
	background: var(--sd-forest);
	color: #fff;
}

.sd-dashboard .sd-btn-primary:hover:not(:disabled) {
	background: var(--sd-forest-light);
}

.sd-dashboard .sd-btn-block {
	width: 100%;
	margin-top: 4px;
}

.sd-dashboard .sd-btn-ghost {
	background: transparent;
	border-color: var(--sd-border);
	color: var(--sd-ink);
}

.sd-dashboard .sd-btn-ghost:hover {
	background: #f3f4f6;
}

.sd-dashboard .sd-spinner {
	width: 15px;
	height: 15px;
	border: 2px solid rgba(255, 255, 255, 0.4);
	border-top-color: #fff;
	border-radius: 50%;
	animation: sd-spin 0.7s linear infinite;
}

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

/* ---------- অ্যালার্ট ---------- */
.sd-dashboard .sd-alert {
	padding: 10px 14px;
	border-radius: 6px;
	font-size: 14px;
	margin: 12px 0;
}

.sd-dashboard .sd-alert-error {
	background: #fef2f2;
	border: 1px solid #fecaca;
	color: var(--sd-brick);
}

.sd-dashboard .sd-notice {
	padding: 12px 16px;
	border-radius: 8px;
	margin: 16px 0;
}

.sd-dashboard .sd-notice-error {
	background: #fef2f2;
	border: 1px solid #fecaca;
	color: var(--sd-brick);
}

/* ---------- শিক্ষার্থী তথ্য কার্ড ---------- */
.sd-dashboard .sd-student-card {
	background: #fff;
	border: 1px solid var(--sd-border);
	border-radius: 10px;
	padding: 18px 20px;
	margin-bottom: 18px;
}

.sd-dashboard .sd-student-head {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 14px;
}

.sd-dashboard .sd-avatar-lg {
	width: 56px;
	height: 56px;
	font-size: 26px;
}

.sd-dashboard .sd-student-name {
	margin: 0;
	font-size: 19px;
	font-weight: 700;
	color: var(--sd-forest);
}

.sd-dashboard .sd-student-sub {
	margin: 2px 0 0;
	font-size: 13px;
	color: var(--sd-muted);
}

.sd-dashboard .sd-student-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 10px 16px;
	border-top: 1px dashed var(--sd-border);
	padding-top: 14px;
}

.sd-dashboard .sd-student-field {
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.sd-dashboard .sd-student-label {
	font-size: 11px;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--sd-muted);
}

.sd-dashboard .sd-student-value {
	font-size: 14px;
	font-weight: 600;
	color: var(--sd-ink);
}

/* ---------- টপবার ও ট্যাব ---------- */
.sd-dashboard .sd-topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 16px;
	flex-wrap: wrap;
}

.sd-dashboard .sd-topbar-user {
	display: flex;
	align-items: center;
	gap: 10px;
}

.sd-dashboard .sd-avatar {
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #eef2ee;
	border: 2px solid var(--sd-brass);
	border-radius: 50%;
	font-size: 18px;
}

.sd-dashboard .sd-topbar-greet {
	margin: 0;
	font-size: 12px;
	color: var(--sd-muted);
}

.sd-dashboard .sd-topbar-name {
	margin: 0;
	font-size: 17px;
	font-weight: 700;
	color: var(--sd-forest);
}

.sd-dashboard .sd-tabs {
	display: flex;
	gap: 4px;
	border-bottom: 2px solid var(--sd-border);
	margin-bottom: 18px;
	flex-wrap: wrap;
}

.sd-dashboard .sd-tab {
	background: none;
	border: none;
	border-bottom: 3px solid transparent;
	margin-bottom: -2px;
	padding: 10px 16px;
	font-size: 14px;
	font-weight: 600;
	color: var(--sd-muted);
	cursor: pointer;
}

.sd-dashboard .sd-tab:hover {
	color: var(--sd-ink);
}

.sd-dashboard .sd-tab.is-active {
	color: var(--sd-forest);
	border-bottom-color: var(--sd-brass);
}

.sd-dashboard .sd-panel {
	display: none;
}

.sd-dashboard .sd-panel.is-active {
	display: block;
}

/* ---------- টুলবার ---------- */
.sd-dashboard .sd-toolbar {
	display: flex;
	gap: 14px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.sd-dashboard .sd-toolbar label {
	font-size: 13px;
	font-weight: 600;
	color: #374151;
	display: flex;
	flex-direction: column;
	gap: 5px;
}

.sd-dashboard .sd-select {
	padding: 8px 10px;
	border: 1px solid var(--sd-border);
	border-radius: 6px;
	font-size: 14px;
	background: #fff;
	min-width: 150px;
}

/* ---------- কার্ড ও স্ট্যাট ---------- */
.sd-dashboard .sd-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: 12px;
	margin-bottom: 16px;
}

.sd-dashboard .sd-card-stat {
	text-align: center;
	padding: 16px 12px;
}

.sd-dashboard .sd-stat-value {
	margin: 0;
	font-size: 26px;
	font-weight: 700;
	color: var(--sd-forest);
}

.sd-dashboard .sd-stat-ok { color: var(--sd-forest); }
.sd-dashboard .sd-stat-bad { color: var(--sd-brick); }

.sd-dashboard .sd-stat-label {
	margin: 4px 0 0;
	font-size: 12px;
	color: var(--sd-muted);
}

/* ---------- টেবিল ---------- */
.sd-dashboard .sd-table-wrap {
	overflow-x: auto;
	border: 1px solid var(--sd-border);
	border-radius: 10px;
	background: #fff;
}

.sd-dashboard .sd-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
	min-width: 520px;
}

.sd-dashboard .sd-table th,
.sd-dashboard .sd-table td {
	padding: 10px 14px;
	text-align: left;
	border-bottom: 1px solid #f0eee9;
}

.sd-dashboard .sd-table th {
	background: #f6f4ef;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--sd-muted);
}

.sd-dashboard .sd-table tbody tr:last-child td {
	border-bottom: none;
}

.sd-dashboard .sd-table tfoot td {
	font-weight: 700;
	background: #fbf6ea;
	color: var(--sd-forest);
}

.sd-dashboard .sd-badge {
	display: inline-block;
	padding: 2px 10px;
	border-radius: 999px;
	font-size: 12px;
	font-weight: 600;
}

.sd-dashboard .sd-badge-ok {
	background: #dcfce7;
	color: #166534;
}

.sd-dashboard .sd-badge-bad {
	background: #fee2e2;
	color: #b91c1c;
}

/* ---------- লোডিং ও খালি অবস্থা ---------- */
.sd-dashboard .sd-loading {
	text-align: center;
	padding: 32px 0;
	color: var(--sd-muted);
	font-size: 14px;
}

.sd-dashboard .sd-empty {
	text-align: center;
	padding: 28px 16px;
	color: var(--sd-muted);
	border: 1px dashed var(--sd-border);
	border-radius: 10px;
	font-size: 14px;
}

.sd-dashboard .sd-text-right {
	text-align: right;
}

@media (max-width: 480px) {
	.sd-dashboard .sd-toolbar {
		flex-direction: column;
	}
}