.premium-container {
    background: var(--background-color, #f5f7fa);
    padding: 2rem 0 3rem;
}

.premium-card {
    background: #fff;
    border: 1px solid #e6edf3;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(44, 62, 80, 0.06);
    overflow: visible;
}

.premium-header {
    padding: 2rem 1.75rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid #eef2f6;
    border-radius: 16px 16px 0 0;
}

.premium-header h1 {
    margin: 0 0 0.4rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color, #3498db);
}

.premium-header .subtitle {
    margin: 0;
    color: #5d6d7e;
    font-size: 1.05rem;
}

.premium-header .alert {
    margin-top: 1.25rem !important;
    background: #f4f9fd !important;
    border: 1px solid #d6e8f6 !important;
    color: #34495e !important;
    border-radius: 12px;
    text-align: left;
}

.premium-header .alert i {
    color: var(--primary-color, #3498db);
    margin-right: 0.25rem;
}

.premium-header .alert strong {
    color: #2c3e50;
}

.features-highlight {
    padding: 1.75rem 1.75rem 0.5rem;
}

.features-highlight h3,
.pricing-section-fullwidth > h3,
.form-section > h5 {
    margin-bottom: 1.25rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
}

.features-highlight .features-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.feature-item {
    background: #f8fafc;
    border: 1px solid #e8eef4;
    border-radius: 12px;
    padding: 1.15rem 1rem;
    text-align: center;
    height: 100%;
}

.feature-item i {
    display: block;
    margin-bottom: 0.65rem;
    font-size: 1.35rem;
    color: var(--primary-color, #3498db);
}

.feature-item h5 {
    margin-bottom: 0.4rem;
    font-size: 1rem;
    font-weight: 600;
    color: #2c3e50;
}

.feature-item p {
    margin: 0;
    color: #5d6d7e;
    font-size: 0.92rem;
    line-height: 1.5;
}

.pricing-section-fullwidth {
    padding: 1.5rem 1.75rem 0;
}

.pricing-highlight-fullwidth {
    position: relative;
    background: #f7fbfe;
    border: 1px solid #d6e6f5;
    border-radius: 14px;
    padding: 1.75rem 1.5rem 1.25rem;
}

.limited-time-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #eaf5fc;
    color: #2176b5;
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-title {
    margin-bottom: 0.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #2c3e50;
}

.price-large {
    margin: 0.25rem 0;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary-color, #3498db);
}

.price-subtitle {
    margin: 0;
    color: #5d6d7e;
}

ul.features-grid {
    display: block;
    list-style: none;
    margin: 0.5rem 0 0;
    padding: 0;
}

ul.features-grid li {
    padding: 0.4rem 0;
    color: #34495e;
}

ul.features-grid i {
    color: #1e9e6a;
    margin-right: 0.4rem;
}

.form-section {
    padding: 1.5rem 1.75rem 2rem;
}

.form-group {
    margin-bottom: 1.15rem;
}

.form-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.4rem;
}

.form-control {
    border-radius: 12px;
    border-color: #d5dee7;
    padding: 0.7rem 0.9rem;
}

.pic-preview {
    display: none;
    width: 120px;
    height: 120px;
    object-fit: cover;
    margin-top: 0.75rem;
    border-radius: 12px;
    border: 1px solid #e7eef5;
    background: #f8fafc;
}

.form-control:focus {
    border-color: var(--primary-color, #3498db);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.16);
}

.purchase-urgency,
.security-info {
    background: #f8fafc;
    border: 1px solid #e8eef4;
    border-radius: 12px;
    padding: 0.85rem 1rem;
    margin-bottom: 0.85rem;
    color: #34495e;
}

.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    border: 0;
    border-radius: 999px;
    background: var(--primary-color, #3498db);
    color: #fff;
    padding: 0.85rem 1.6rem;
    font-size: 1.05rem;
    font-weight: 600;
}

.btn-premium:hover {
    background: var(--secondary-color, #34495e);
    color: #fff;
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1rem;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: #f4f9fd;
    color: #34495e;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.trust-badge i {
    color: var(--primary-color, #3498db);
}

.accordion-item {
    border: 1px solid #e6edf3 !important;
    border-radius: 12px !important;
    overflow: hidden;
    box-shadow: none;
}

.accordion-button {
    background: #fff;
    color: #2c3e50;
    font-weight: 600;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background: #f4f9fd;
    color: #2176b5;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-body {
    color: #5d6d7e;
    line-height: 1.6;
}

.searchable-select {
    position: relative;
    width: 100%;
}

.searchable-select-input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 46px;
    padding: 0.7rem 0.9rem;
    background: #fff;
    border: 1px solid #d5dee7;
    border-radius: 12px;
    cursor: pointer;
}

.searchable-select.open .searchable-select-input,
.searchable-select-input:hover {
    border-color: var(--primary-color, #3498db);
}

.searchable-select-input.is-invalid {
    border-color: #dc3545;
}

.searchable-select-placeholder {
    color: #8b9aab;
}

.searchable-select-input.has-value .searchable-select-placeholder {
    color: #2c3e50;
}

.searchable-select-arrow {
    color: #8b9aab;
    transition: transform 0.2s ease;
}

.searchable-select.open .searchable-select-arrow {
    transform: rotate(180deg);
    color: var(--primary-color, #3498db);
}

.searchable-select-dropdown {
    display: none;
    position: absolute;
    z-index: 30;
    left: 0;
    right: 0;
    top: calc(100% + 6px);
    background: #fff;
    border: 1px solid #d5dee7;
    border-radius: 12px;
    box-shadow: 0 12px 28px rgba(44, 62, 80, 0.12);
    overflow: hidden;
}

.searchable-select.open .searchable-select-dropdown {
    display: block;
}

.searchable-select-search {
    position: relative;
    padding: 0.75rem;
    border-bottom: 1px solid #eef2f6;
    background: #f8fafc;
}

.searchable-select-search i {
    position: absolute;
    left: 1.45rem;
    top: 50%;
    transform: translateY(-50%);
    color: #8b9aab;
}

.searchable-select-search input {
    width: 100%;
    border: 1px solid #d5dee7;
    border-radius: 8px;
    padding: 0.45rem 0.7rem 0.45rem 2rem;
    outline: none;
}

.searchable-select-search input:focus {
    border-color: var(--primary-color, #3498db);
}

.searchable-select-options {
    max-height: 260px;
    overflow-y: auto;
}

.searchable-select-option {
    padding: 0.6rem 0.9rem;
    cursor: pointer;
    color: #34495e;
    border-left: 3px solid transparent;
}

.searchable-select-option:hover,
.searchable-select-option.selected {
    background: #f4f9fd;
    color: #2176b5;
    border-left-color: var(--primary-color, #3498db);
}

.searchable-select-option.hidden {
    display: none;
}

.searchable-select-no-results {
    padding: 1.5rem 1rem;
    text-align: center;
    color: #8b9aab;
}

.searchable-select-highlight {
    background: #fff3bf;
    border-radius: 2px;
}

.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(245, 247, 250, 0.86);
}

.loading-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #2c3e50;
}

.spinner {
    width: 42px;
    height: 42px;
    margin: 0 auto 0.8rem;
    border: 3px solid #d6e6f5;
    border-top-color: var(--primary-color, #3498db);
    border-radius: 50%;
    animation: add-tool-spin 0.8s linear infinite;
}

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

@media (max-width: 991px) {
    .features-highlight .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .limited-time-badge {
        position: static;
        display: inline-block;
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 575px) {
    .premium-header,
    .features-highlight,
    .pricing-section-fullwidth,
    .form-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .premium-header h1 {
        font-size: 1.55rem;
    }

    .features-highlight .features-grid {
        grid-template-columns: 1fr;
    }

    .price-large {
        font-size: 2.4rem;
    }

    .btn-premium {
        width: 100%;
    }
}