:root {
    --primary-color: #5E35B1;
    --primary-light: #7C3AED;
    --primary-dark: #4527A0;
    --accent-color: #FFB300;
    --text-color: #333;
    --text-light: #666;
    --background-color: #F8F9FA;
    --card-bg: #FFFFFF;
    --border-color: #E0E0E0;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --info-color: #2196F3;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.subdomain-unique-main {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.subdomain-unique-container {
    width: 100%;
}

.header-section {
    text-align: center;
    margin-bottom: 3rem;
}

.subdomain-title {
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.subdomain-title i {
    color: var(--primary-color);
    font-size: 2rem;
}

.subdomain-description {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.subdomain-search-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.subdomain-search-card:hover {
    box-shadow: var(--shadow-lg);
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.input-group {
    position: relative;
    display: flex;
    gap: 1rem;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.1rem;
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.domain-input {
    flex: 1;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1.1rem;
    transition: var(--transition);
    height: 3.5rem;
}

.domain-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(94, 53, 177, 0.1);
}

.search-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(94, 53, 177, 0.2);
}

.search-button:active {
    transform: translateY(0);
}

.option-group {
    background-color: rgba(94, 53, 177, 0.03);
    border-radius: 12px;
    padding: 1.5rem;
}

.option-title {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.search-options {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    transition: var(--transition);
    flex: 1;
    min-width: 250px;
}

.checkbox-group:hover {
    background-color: rgba(94, 53, 177, 0.05);
}

.checkbox-group input[type="checkbox"] {
    accent-color: var(--primary-color);
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin-top: 0.25rem;
}

.checkbox-group label {
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.checkbox-group label i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.option-description {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Loader Animation */
.loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loader-content {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    text-align: center;
}

.cancel-button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cancel-button:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--danger-color);
    transform: rotate(90deg);
}

.loader {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.loader-circle {
    width: 14px;
    height: 14px;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: bounce 0.5s ease-in-out infinite;
}

.loader-circle:nth-child(2) {
    animation-delay: 0.1s;
}

.loader-circle:nth-child(3) {
    animation-delay: 0.2s;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.loading-text {
    color: var(--text-light);
    font-size: 1.1rem;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.results-container {
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    padding: 2.5rem;
    transition: var(--transition);
}

.results-container:hover {
    box-shadow: var(--shadow-lg);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.results-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.results-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.results-title i {
    color: var(--primary-color);
}

.results-subtitle {
    color: var(--text-light);
    font-size: 1rem;
}

.subdomain-count {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: normal;
}

.results-actions {
    display: flex;
    gap: 1rem;
}

.action-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.action-button:hover {
    background-color: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(94, 53, 177, 0.2);
}

.action-button:active {
    transform: translateY(0);
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
    background-color: rgba(94, 53, 177, 0.03);
    padding: 1.5rem;
    border-radius: 12px;
}

.search-group {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.1rem;
}

.filter-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(94, 53, 177, 0.1);
}

.source-filters {
    display: flex;
    gap: 0.75rem;
}

.source-filter {
    padding: 0.75rem 1.25rem;
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.source-filter:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.source-filter.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(94, 53, 177, 0.2);
}

.subdomains-table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    background-color: var(--card-bg);
}

.subdomains-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.subdomains-table th {
    padding: 1.25rem;
    background-color: rgba(94, 53, 177, 0.05);
    border-bottom: 2px solid var(--primary-light);
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
    font-size: 1rem;
}

.subdomains-table td {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    font-size: 1rem;
}

.subdomains-table tr:hover td {
    background-color: rgba(94, 53, 177, 0.02);
}

.table-action-btn {
    padding: 0.5rem 0.75rem;
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.table-action-btn:hover {
    background-color: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

/* Toast Notifications */
.copy-toast, .error-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1.25rem 1.75rem;
    border-radius: 12px;
    background-color: var(--card-bg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateY(100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
}

.copy-toast {
    border-left: 4px solid var(--success-color);
}

.error-toast {
    border-left: 4px solid var(--danger-color);
}

.copy-toast i {
    color: var(--success-color);
    font-size: 1.25rem;
}

.error-toast i {
    color: var(--danger-color);
    font-size: 1.25rem;
}

.copy-toast.show, .error-toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Source Badges */
.source-dns {
    color: var(--info-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.source-crtsh {
    color: var(--accent-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* No Results State */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .subdomain-unique-main {
        padding: 1.5rem 1rem;
    }

    .subdomain-title {
        font-size: 1.75rem;
    }

    .subdomain-description {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .subdomain-search-card {
        padding: 1.5rem;
    }

    .input-group {
        flex-direction: column;
        gap: 1rem;
        position: relative;
    }

    .input-icon {
        left: 1rem;
        top: 20%;
        transform: translateY(-50%);
        font-size: 1rem;
        height: 1rem;
        width: 1rem;
    }

    .domain-input {
        width: 100%;
        padding: 0.875rem 1rem 0.875rem 2.75rem;
        font-size: 1rem;
        height: 3.25rem;
    }

    .search-button {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
    }

    .search-options {
        flex-direction: column;
    }

    .checkbox-group {
        min-width: 100%;
    }

    .results-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .results-actions {
        width: 100%;
        display: flex;
        gap: 0.5rem;
    }

    .action-button {
        flex: 1;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .filter-bar {
        flex-direction: column;
        gap: 1rem;
    }

    .search-group {
        width: 100%;
    }

    .filter-input {
        width: 100%;
    }

    .source-filters {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .source-filter {
        white-space: nowrap;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .subdomains-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .subdomains-table {
        min-width: 600px;
    }

    .subdomains-table th,
    .subdomains-table td {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    .table-action-btn {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .subdomain-title {
        font-size: 1.5rem;
    }

    .subdomain-description {
        font-size: 0.9rem;
    }

    .subdomain-search-card {
        padding: 1rem;
    }

    .option-group {
        padding: 1rem;
    }

    .option-title {
        font-size: 1rem;
    }

    .checkbox-group label {
        font-size: 0.9rem;
    }

    .option-description {
        font-size: 0.8rem;
    }

    .action-button {
        font-size: 0.8rem;
        padding: 0.625rem 0.875rem;
    }

    .source-filter {
        font-size: 0.8rem;
        padding: 0.5rem 0.875rem;
    }

    .input-icon {
        left: 0.875rem;
        font-size: 0.9rem;
        height: 0.9rem;
        width: 0.9rem;
    }

    .domain-input {
        padding: 0.75rem 1rem 0.75rem 2.5rem;
        font-size: 0.9rem;
        height: 3rem;
    }
}

.hidden {
    display: none !important;
}