.lsa-page {
    min-height: 100vh;
    background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
    color: #1e293b;
    font-family: Arial, sans-serif;
}

.lsa-header,
.lsa-hero {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: #fff;
}

.lsa-hero {
    flex-direction: column;
    text-align: center;
}

.lsa-logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #fff;
    padding: 4px;
}

.lsa-header h1,
.lsa-hero h1 {
    margin: 0;
    font-size: 1.6rem;
}

.lsa-header p,
.lsa-hero p {
    margin: 0.25rem 0 0;
    opacity: 0.9;
}

.lsa-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

.lsa-card {
    background: #fff;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.08);
    margin-bottom: 1.5rem;
}

.lsa-card h2 {
    margin-top: 0;
    color: #1e3a8a;
}

.lsa-intro {
    color: #64748b;
    line-height: 1.6;
}

.lsa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.lsa-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.lsa-field input,
.lsa-field select,
.lsa-field textarea,
.lsa-scan-form input {
    width: 100%;
    padding: 0.75rem 0.85rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
}

.lsa-form {
    display: grid;
    gap: 1rem;
}

.lsa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
}

.lsa-btn-primary {
    background: #2563eb;
    color: #fff;
}

.lsa-btn-secondary {
    background: #0f766e;
    color: #fff;
}

.lsa-btn-outline {
    background: #fff;
    color: #1e3a8a;
    border: 1px solid #93c5fd;
}

.lsa-message {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 8px;
    font-weight: 600;
}

.lsa-message.success {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.lsa-message.error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.lsa-barcode-wrap {
    text-align: center;
    padding: 1rem;
    background: #f8fafc;
    border: 1px dashed #93c5fd;
    border-radius: 10px;
}

.lsa-barcode-wrap img {
    max-width: 100%;
    height: auto;
}

.lsa-student-summary {
    margin-top: 1rem;
    line-height: 1.7;
}

.lsa-actions,
.lsa-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.lsa-links a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}

.lsa-mini-menu {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem;
    background: #fff;
    border: 1px solid #dbeafe;
    border-right: none;
    border-radius: 14px 0 0 14px;
    box-shadow: -4px 0 16px rgba(30, 64, 175, 0.12);
    z-index: 200;
    width: 11.5rem;
}

.lsa-mini-menu ~ .lsa-container {
    padding-right: calc(1.5rem + 11.5rem);
}

.lsa-mini-menu-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.82rem;
    color: #1e3a8a;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    width: 100%;
    box-sizing: border-box;
}

.lsa-mini-menu-item:hover {
    background: #dbeafe;
    color: #1e3a8a;
}

.lsa-mini-menu-item.is-active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
    pointer-events: none;
}

.lsa-mini-menu-item i {
    font-size: 0.95rem;
}

.lsa-scan-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
}

.lsa-scan-result {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

.lsa-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.lsa-stat {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.lsa-stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: #1d4ed8;
}

.lsa-stat-label {
    color: #64748b;
    font-size: 0.9rem;
}

.lsa-table-wrap {
    overflow-x: auto;
}

.lsa-table {
    width: 100%;
    border-collapse: collapse;
}

.lsa-table th,
.lsa-table td {
    padding: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
}

.lsa-table th {
    background: #eff6ff;
    color: #1e3a8a;
}

.lsa-empty {
    text-align: center;
    color: #64748b;
}

.lsa-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #047857;
    font-weight: 600;
}

.lsa-live-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10b981;
    animation: lsaPulse 1.4s infinite;
}

@keyframes lsaPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.lsa-home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.lsa-home-card {
    display: block;
    background: #fff;
    border-radius: 14px;
    padding: 2rem 1.5rem;
    text-decoration: none;
    color: inherit;
    border: 1px solid #dbeafe;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.08);
    transition: transform 0.2s ease;
}

.lsa-home-card:hover {
    transform: translateY(-4px);
}

.lsa-home-card i {
    font-size: 2rem;
    color: #2563eb;
}

.lsa-card-head,
.lsa-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.lsa-admin-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.lsa-admin-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.lsa-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.lsa-filter-row input {
    padding: 0.55rem 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
}

.lsa-admin .lib-tabs {
    margin-bottom: 1rem;
}

@media print {
    .lsa-links,
    .lsa-actions,
    .lsa-header,
    .lsa-btn,
    .lsa-scan-form {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .lsa-scan-form {
        grid-template-columns: 1fr;
    }

    .lsa-header,
    .lsa-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .lsa-mini-menu {
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
        transform: none;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        width: auto;
        border-right: 1px solid #dbeafe;
        border-radius: 14px 14px 0 0;
        padding: 0.65rem 1rem;
        gap: 0.4rem;
    }

    .lsa-mini-menu ~ .lsa-container {
        padding-right: 1rem;
        padding-bottom: 5.5rem;
    }

    .lsa-mini-menu-item {
        flex: 1 1 calc(50% - 0.4rem);
        justify-content: center;
        width: auto;
        padding: 0.55rem 0.65rem;
        font-size: 0.78rem;
    }
}

.lsa-smartcard-page {
    min-height: 100vh;
}

.lsa-smartcard-layout .lsa-smartcard-main {
    max-width: 980px;
}

.lsa-smartcard-panel {
    overflow: hidden;
}

.lsa-smartcard-zone {
    text-align: center;
    padding: 2rem 1.5rem;
    border: 2px dashed #93c5fd;
    border-radius: 16px;
    background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
    margin-bottom: 1.25rem;
}

.lsa-smartcard-zone-compact {
    padding: 1.25rem;
    margin: 1rem 0;
}

.lsa-smartcard-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 0.75rem;
}

.lsa-smartcard-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    font-weight: 600;
    background: #eef2ff;
    color: #3730a3;
}

.lsa-smartcard-status.ready {
    background: #ecfdf5;
    color: #047857;
}

.lsa-smartcard-status.reading,
.lsa-smartcard-status.processing {
    background: #eff6ff;
    color: #1d4ed8;
}

.lsa-smartcard-status.success {
    background: #ecfdf5;
    color: #047857;
}

.lsa-smartcard-status.error {
    background: #fef2f2;
    color: #b91c1c;
}

.lsa-smartcard-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
}

.lsa-smartcard-status.reading .lsa-smartcard-status-dot,
.lsa-smartcard-status.processing .lsa-smartcard-status-dot {
    animation: lsaPulse 1s infinite;
}

.lsa-smartcard-last {
    margin-top: 1rem;
    font-size: 0.92rem;
    color: #64748b;
}

.lsa-smartcard-capture-wrap {
    margin-top: 0;
}

.lsa-smartcard-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.lsa-smartcard-input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.lsa-smartcard-input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 2px solid #2563eb;
    border-radius: 10px;
    font-family: Consolas, Monaco, monospace;
    font-size: 1rem;
    letter-spacing: 0.04em;
    background: #fff;
}

.lsa-capture-hint {
    margin: 0.65rem 0 0;
    color: #b45309;
    font-size: 0.88rem;
    line-height: 1.5;
}

.lsa-key-activity {
    margin: 0.45rem 0 0;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 0.85rem;
    transition: background 0.2s, color 0.2s;
}

.lsa-key-activity.active {
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 600;
}

.lsa-smartcard-note {
    display: block;
    margin-top: 0.5rem;
    color: #64748b;
    font-size: 0.85rem;
}

.lsa-header {
    flex-wrap: wrap;
}

.lsa-usb-badge {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
    font-weight: 600;
}

.lsa-usb-setup {
    background: #fff;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.06);
}

.lsa-usb-setup h3 {
    margin: 0 0 0.75rem;
    color: #1e3a8a;
    font-size: 1.05rem;
}

.lsa-d3-mode-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.lsa-d3-mode-card {
    padding: 1rem;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.lsa-d3-mode-card h4 {
    margin: 0 0 0.5rem;
    color: #1e3a8a;
    font-size: 0.95rem;
}

.lsa-d3-mode-card p {
    margin: 0 0 0.5rem;
    color: #475569;
    font-size: 0.9rem;
    line-height: 1.5;
}

.lsa-usb-steps {
    margin: 0.75rem 0 0;
    padding-left: 1.25rem;
    color: #475569;
    line-height: 1.7;
}

.lsa-usb-steps li {
    margin-bottom: 0.35rem;
}

.lsa-usb-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: #eff6ff;
    color: #1e40af;
    font-size: 0.92rem;
}

.lsa-usb-status.focused {
    background: #ecfdf5;
    color: #047857;
}

.lsa-usb-debug {
    margin-top: 0.85rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    font-size: 0.88rem;
    color: #475569;
}

.lsa-usb-debug code {
    display: block;
    margin-top: 0.35rem;
    padding: 0.5rem 0.65rem;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 6px;
    font-family: Consolas, Monaco, monospace;
    word-break: break-all;
}

.lsa-usb-debug-note {
    display: block;
    margin-top: 0.45rem;
    font-size: 0.82rem;
    color: #64748b;
}

.lsa-smartcard-zone[tabindex="0"] {
    cursor: pointer;
}

.lsa-smartcard-zone[tabindex="0"]:focus {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 4px;
}

.lsa-serial-connect {
    margin-top: 0.85rem;
}