.about-section {
    font-size: 0.95rem; 
    line-height: 1.8;
}
.about-section h4 {
    font-size: 1.1rem; 
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem; 
    margin-bottom: 1rem;
}
.about-section p {
    margin-bottom: 1.5rem; 
    color: var(--text-muted-color); 
    text-align: justify;
}
.about-section .about-footer {
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem; 
    margin-top: 1rem;
}
.about-section .about-footer p { 
    margin: 0; 
    font-size: 0.9rem; 
    color: var(--text-muted-color); 
    text-align: right; 
}

.modal-footer-info { 
    display: flex; 
    align-items: center; 
    gap: 0.5rem; 
    font-size: 0.95rem; 
    color: var(--text-muted-color); 
}
.modal-footer-info a { 
    color: var(--primary-color); 
    transition: opacity 0.2s; 
    display: inline-flex; 
    align-items: center; 
}
.modal-footer-info a:hover { 
    opacity: 0.8; 
}

#install-pwa-section {
    padding: 1.5rem;
    background-color: var(--info-bg-color);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 0.75rem;
    margin: 2rem 0;
    text-align: center;
    animation: fadeIn 0.5s;
}
#install-pwa-section p { 
    margin: 0 0 1rem 0; 
    line-height: 1.8; 
    color: var(--text-muted-color); 
    text-align: center; 
}

.disclaimer-box {
    padding: 1rem 1.25rem;
    background-color: rgba(245, 158, 11, 0.1);
    border-radius: 0.75rem;
    border-left: 4px solid var(--warning-color);
    margin: 2rem 0 1.5rem 0;
}
.disclaimer-box h4 {
    color: var(--warning-color); 
    font-size: 1.1rem;
    margin: 0 0 0.75rem 0; 
    border: none; 
    padding: 0;
    display: flex; 
    align-items: center; 
    gap: 0.5rem;
}
.disclaimer-box p { 
    font-size: 0.9rem; 
    color: var(--text-muted-color); 
    margin-bottom: 0; 
    text-align: justify; 
    line-height: 1.8; 
}

#info-tooltip .modal-body { 
    font-size: 0.95rem; 
    line-height: 1.7; 
    text-align: justify; 
}
#info-tooltip .modal-body p { 
    margin: 0 0 1rem 0; 
}
#info-tooltip .modal-body p:last-child { 
    margin-bottom: 0; 
}
#info-tooltip .modal-body ul { 
    list-style-type: '✓  '; 
    padding-right: 1.2rem; 
    margin: 1rem 0; 
}
#info-tooltip .modal-body li { 
    margin-bottom: 0.75rem; 
}

.text-highlight { 
    color: var(--primary-color); 
    font-weight: bold; 
}

.feature-accordion {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    margin-bottom: 2rem;
}
.accordion-item {
    border-bottom: 1px solid var(--border-color);
}
.accordion-item:last-child {
    border-bottom: none;
}
.accordion-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.accordion-header:hover {
    background-color: rgba(255, 255, 255, 0.03);
}
.accordion-header .accordion-icon {
    flex-shrink: 0;
    color: var(--primary-color);
}
.accordion-header h5 {
    font-size: 1.05rem;
    font-weight: bold;
    margin: 0;
    flex-grow: 1;
}
.accordion-header .accordion-arrow {
    transition: transform 0.3s ease;
    color: var(--text-muted-color);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    background-color: var(--bg-color);
}
.accordion-content p {
    padding: 1rem 1.25rem 1.25rem 1.25rem;
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted-color);
    text-align: justify;
    line-height: 1.8;
}
.accordion-item.active .accordion-header {
    background-color: rgba(99, 102, 241, 0.1);
}
.accordion-item.active .accordion-arrow {
    transform: rotate(180deg);
}

.security-accordion {
    border: 1px solid var(--warning-color) !important;
    background-color: rgba(245, 158, 11, 0.1);
    margin-bottom: 1.5rem;
}
.security-accordion .accordion-header {
    padding: 0.75rem 1rem; 
    gap: 0.75rem;
}
.security-accordion .accordion-header h5 {
    font-size: 0.95rem; 
    color: var(--warning-color);
}
.security-accordion .accordion-content p {
    padding: 1rem 1rem 1rem 1rem;
    font-size: 0.85rem;
}
.security-accordion.active .accordion-header {
    background-color: rgba(245, 158, 11, 0.2);
}

.danger-accordion {
    border-color: var(--error-color) !important;
    background-color: rgba(239, 68, 68, 0.1);
    margin: 2rem 0;
}
.danger-accordion .accordion-header { 
    padding: 0.75rem 1rem; 
    gap: 0.75rem; 
}
.danger-accordion .accordion-header h5 { 
    font-size: 0.95rem; 
    color: var(--error-color); 
}
.danger-accordion .accordion-icon { 
    color: var(--error-color) !important; 
}
.danger-accordion .accordion-content { 
    padding: 0.25rem 1rem 1rem 1rem; 
}
.danger-accordion .accordion-content p {
    padding: 1rem 0;
    font-size: 0.85rem;
}
.danger-accordion.active .accordion-header { 
    background-color: rgba(239, 68, 68, 0.15); 
}

#qrcode-modal .modal-body { 
    background-color: white; 
    border-radius: 0.5rem; 
    overflow: hidden; 
}
#qrcode-container canvas, #qrcode-container img {
    max-width: 100%; 
    height: auto; 
    display: block;
    margin: 0 auto; 
    border-radius: 0.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
#qr-scanner-modal .modal-body { 
    padding: 0; 
    position: relative; 
    background-color: #000; 
    overflow: hidden; 
}
#qr-video { 
    width: 100%; 
    height: auto; 
    display: block; 
    border-radius: 0.5rem; 
}
#qr-scanner-modal #qr-canvas { 
    display: none; 
}
#qr-scanner-overlay {
    position: absolute; 
    top: 0; 
    left: 0; 
    right: 0; 
    bottom: 0;
    display: flex; 
    flex-direction: column; 
    justify-content: center;
    align-items: center; 
    color: white; 
    text-align: center;
}
#qr-scanner-overlay .scanner-frame {
    width: 75%; 
    height: 0; 
    padding-bottom: 75%;
    position: relative; 
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 1rem; 
    box-shadow: 0 0 0 2000px rgba(0, 0, 0, 0.5);
}
#qr-scanner-overlay .scanner-line {
    position: absolute; 
    top: 0; 
    left: 5%;
    width: 90%; 
    height: 2px; 
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    animation: scan-anim 3s linear infinite; 
    border-radius: 2px;
}
@keyframes scan-anim {
    0% { transform: translateY(10%); }
    50% { transform: translateY(calc(75vw - 10%)); }
    100% { transform: translateY(10%); }
}
#qr-scanner-message { 
    margin-top: 1rem; 
    padding: 0.5rem 1rem; 
    background: rgba(0,0,0,0.7); 
    border-radius: 0.5rem; 
}
#qr-scanner-modal .modal-footer { 
    background-color: var(--card-bg-color); 
    border-top: 1px solid var(--border-color); 
    justify-content: center; 
}
#qr-file-input { 
    display: none; 
}

#quick-start-body {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    text-align: center;
}
.quick-start-step {
    width: 100%;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.4s ease, visibility 0.4s ease;
    padding: 1rem;
}
.quick-start-step.active {
    opacity: 1;
    visibility: visible;
    position: relative;
    transform: none;
    left: auto;
    top: auto;
}
.quick-start-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1;
}
.quick-start-step h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: 1rem;
}
.quick-start-step p {
    font-size: 1rem;
    color: var(--text-muted-color);
    line-height: 1.8;
    max-width: 90%;
    margin: 0 auto;
}
.code-highlight {
    background-color: var(--border-color);
    color: var(--primary-color);
    padding: 0.1em 0.4em;
    border-radius: 0.375rem;
    font-family: monospace;
    font-size: 0.9em;
}
.quick-start-footer {
    flex-direction: column;
    gap: 1.5rem;
    align-items: stretch;
}
.quick-start-nav {
    display: flex;
    gap: 1rem;
    width: 100%;
}
.quick-start-nav .btn {
    flex-grow: 1;
}
.quick-start-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
}
.quick-start-progress-container {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}
.quick-start-progress-bar {
    height: 100%;
    width: 0;
    background-color: var(--primary-color);
    border-radius: 8px;
    transition: width 0.3s ease-in-out;
}
#dont-show-quick-start + label {
    font-size: 0.85rem;
}

.custom-accordion {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: box-shadow 0.3s;
}
.custom-accordion.active {
    box-shadow: 0 0 0 2px var(--primary-color);
    border-color: var(--primary-color);
}
.custom-accordion .accordion-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    background-color: var(--bg-color);
    transition: background-color 0.2s;
}
.custom-accordion:not(.active) .accordion-header:hover {
    background-color: var(--secondary-color);
}
.custom-accordion .accordion-header .selected-profile-name {
    flex-grow: 1;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.custom-accordion .accordion-header .accordion-arrow {
    transition: transform 0.3s ease;
    color: var(--text-muted-color);
    display: flex;
    align-items: center;
}
.custom-accordion.active .accordion-header .accordion-arrow {
    transform: rotate(180deg);
}
.custom-accordion .accordion-content {
    max-height: 0;
    overflow-y: auto;
    transition: max-height 0.4s ease-out;
    background-color: var(--card-bg-color);
    padding: 0 0.5rem;
}
.custom-accordion.active .accordion-content {
    max-height: 250px;
    padding: 0.5rem;
}
.profile-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    margin-bottom: 0.25rem;
}
.profile-option:last-child {
    margin-bottom: 0;
}
.profile-option:hover {
    background-color: var(--secondary-color);
}
.profile-option .profile-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.profile-option .info-icon-wrapper {
    color: var(--text-muted-color);
    transition: color 0.2s;
}
.profile-option .info-icon-wrapper:hover {
    color: var(--primary-color);
}
.profile-option .info-icon-wrapper svg {
    width: 20px;
    height: 20px;
}
.profile-option.selected {
    background-color: var(--primary-color);
    color: var(--primary-text-color);
    font-weight: bold;
}
.profile-option.selected .info-icon-wrapper {
    color: var(--primary-text-color);
}

@media (max-width: 768px) {
    .quick-start-step h3 { 
        font-size: 1.3rem; 
    }
    .quick-start-step p { 
        font-size: 0.95rem; 
        text-align: justify;
    }
    .quick-start-footer { 
        gap: 1rem; 
    }
}