* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --light: #f8f9fa;
    --dark: #212529;
    --gradient: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
}

body {
    background: white;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.two-column-layout {
    display: flex;
    min-height: 100vh;
}

.left-column {
    flex: 1.2;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: white;
}

.right-column {
    flex: 1;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.description-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: black;
    margin-bottom: 1.5rem;
}

.description-subtitle {
    font-size: 1.4rem;
    line-height: normal;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1.5rem;
}

.description-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #5a6c7d;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.feature-list li {
    padding: 0.5rem 0;
    font-size: 1rem;
    margin-left: 20px;
    color: #5a6c7d;
}

.feature-list i {
    color: #3498db;
    margin-right: 0.5rem;
}

.user-info-form {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.form-label {
    font-weight: 600;
    color: black;
    margin-bottom: 0.5rem;
}

.form-control {
    padding: 0.75rem;
    border-color: black;
    border-radius: 2px;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .two-column-layout {
        flex-direction: column-reverse;
    }

    .feature-list {
        display: block !important;
    }

    .right-column {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 992px) {
    .two-column-layout {
        grid-template-columns: 1fr;
    }
}

.description-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
}

.description-text {
    margin-bottom: 15px;
    line-height: 1.6;
}

.section-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 20px 0 20px 0;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

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

.dynamic-stepper {
    margin: 25px 0;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
}

.stepper-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    position: relative;
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    cursor: pointer;
    padding: 0 10px;
}

.step-indicator:not(:last-child):after {
    content: "";
    position: absolute;
    top: 20px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: #dee2e6;
    z-index: 1;
}

.step-indicator.active:not(:last-child):after {
    background: var(--primary);
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: 2px solid #dee2e6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #6c757d;
    margin-bottom: 8px;
    z-index: 2;
    transition: all 0.3s ease;
}

.step-indicator.active .step-circle {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 8px rgba(67, 97, 238, 0.3);
}

.step-indicator.completed .step-circle {
    background: #0ac736;
    border-color: #0ac736;
    color: white;
}

.step-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #6c757d;
    text-align: center;
    transition: all 0.3s ease;
}

.step-indicator.active .step-title {
    color: var(--primary);
}

.step-indicator.completed .step-title {
    color: #0ac736;
}

.step-content {
    opacity: 0;
    height: 0;
    overflow: hidden;
    padding: 0 20px;
    transition: all 0.5s ease;
}

.step-content.active {
    opacity: 1;
    height: auto;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.step-content-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #2d3748;
}

.step-content-description {
    color: #5a6c7d;
    line-height: 1.6;
    margin-bottom: 15px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
    display: flex;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: flex-start;
}

.feature-list li i {
    color: #16a34a;
    padding-left: 6px;
}

.step-progress {
    height: 4px;
    background: #e9ecef;
    border-radius: 2px;
    margin-top: 10px;
    overflow: hidden;
    position: relative;
}

.step-progress-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width 5s linear;
    border-radius: 2px;
}

.step-progress.active .step-progress-fill {
    width: 100%;
}

.accordion-item {
    border: none;
    margin-bottom: 10px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.accordion-button {
    background: white;
    color: var(--dark);
    font-weight: 600;
    padding: 15px 20px;
}

.accordion-button:not(.collapsed) {
    background: var(--primary);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0, 0, 0, 0.125);
}

.trusted-by {
    text-align: center;
    font-size: 1.1rem;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
    color: #6c757d;
    font-style: italic;
}

@media (max-width: 768px) {
    .step-indicator:not(:last-child):after {
        right: -40%;
    }
}

.upgrade-message {
    border: 2px dashed #4361ee;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.feature-card {
    transition: all 0.3s ease;
    border: 1px solid #dee2e6;
}

.error-message {
    display: none;
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px 20px;
    border-radius: 5px;
    margin: 15px 0;
    border: 1px solid #f5c6cb;
    text-align: center;
}

.error-message i {
    margin-right: 10px;
    color: #721c24;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-color: #4361ee;
}

.feature-card i {
    transition: all 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.2);
}

.btn-lg {
    font-size: 1.2rem;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-lg:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.6);
}

.btn-lg:before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(30deg);
    transition: all 0.6s ease;
}

.btn-lg:hover:before {
    transform: rotate(30deg) translate(20%, 20%);
}

.verification-card {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 40px;
    width: 100%;
    max-width: 500px;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.header {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    padding-bottom: 24px;
}

.header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 2px;
}

.title {
    color: black;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.required-asterisk {
    color: #dc3545;
    font-weight: bold;
    margin-left: 2px;
}

.subtitle {
    color: #4b5563;
    font-size: 16px;
    margin-top: 12px;
}

.user-email {
    color: #3b82f6;
    font-weight: 600;
    background-color: #dbeafe;
    padding: 6px 16px;
    border-radius: 50px;
    display: inline-block;
    margin-top: 12px;
    font-size: 16px;
    box-shadow: 0 2px 5px rgba(59, 130, 246, 0.2);
}

.upload-container {
    margin-top: 24px;
}

.widget-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    text-align: center;
    margin-bottom: 8px;
}

.file-size-info {
    text-align: center;
    font-size: 14px;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 5px;
}

.verification-results {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.chart-container,
.stats-summary {
    border: 1px solid #eaeaea;
}

.stats-legend .stat-item {
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.stats-legend .stat-item:hover {
    background-color: #e9ecef;
    transform: translateY(-2px);
}

.legend-color {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.bg-valid {
    background-color: #0ac736;
}
.bg-invalid {
    background-color: #65030d;
}
.bg-risky {
    background-color: #ffc107;
}
.bg-unknown {
    background-color: #07781c;
}
.bg-api-error {
    background-color: #fd7e14;
}
.bg-temporary {
    background-color: #20c997;
}

.bg-antispam {
    background-color: #6610f2;
}
.bg-trap {
    background-color: #176d7c;
}
.bg-spamcops {
    background-color: #9c2588;
}
.bg-litigators {
    background-color: #f26710;
}
.bg-complainers {
    background-color: #1f3902;
}
.bg-bot {
    background-color: #1b0cf1;
}
.bg-departamental {
    background-color: #10b6f2;
}
.bg-lashback {
    background-color: #f2d810;
}
.bg-endings {
    background-color: #f21079;
}
.bg-string {
    background-color: #5410f2;
}
.bg-bounces {
    background-color: #c00003;
}
.bg-blacklisted {
    background-color: #070401;
}
.bg-disposables {
    background-color: #f5e60bea;
}

.modal {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    margin: 0 auto;
    max-width: 90%;
    width: auto !important;
    display: inline-block;
}

.modal-xl {
    max-width: 1140px;
}

.modal-content {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    padding: 1rem 1.5rem;
}

.btn-close {
    filter: invert(1);
}

.file-size-info i {
    color: #f59e0b;
}

.upload-area {
    margin-top: 15px;
    border: 2px dashed #d1d5db;
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #f8fafc;
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: #3b82f6;
    background-color: #f0f9ff;
}

.upload-area.active {
    border-color: #3b82f6;
    background-color: #dbeafe;
}

.upload-icon {
    font-size: 48px;
    color: #3b82f6;
    margin-bottom: 16px;
    opacity: 0.9;
}

.upload-text {
    color: #1f2937;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 18px;
}

.upload-hint {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 16px;
}

.supported-formats {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.format-badge {
    background-color: #e0f2fe;
    color: #1d4ed8;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.progress-container {
    display: none;
    margin-top: 20px;
    background-color: #f3f4f6;
    border-radius: 12px;
    padding: 16px;
}

.progress-bar {
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
}

i {
    margin-right: 5px;
}

.progress {
    display: flex;
    height: 0.7rem;
    overflow: hidden;
    font-size: 0.75rem;
    border-radius: 0.25rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    width: 0%;
    transition: width 0.4s ease;
}

.success-message {
    display: none;
    background-color: #dcfce7;
    color: #16a34a;
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    margin-top: 20px;
    font-weight: 500;
}

#btnfilepicker {
    width: auto !important;
}

.success-message i {
    margin-right: 8px;
}

@media (max-width: 500px) {
    .verification-card {
        padding: 30px 20px;
    }

    .title {
        font-size: 24px;
    }
}

.two-column-layout {
    display: flex;
    align-items: flex-start;
}

.dynamic-stepper {
    min-height: 280px;
    margin-bottom: 1rem;
}

.stepper-content {
    min-height: 180px;
}

.stepper-content .step-content {
    position: absolute;
    opacity: 0;
    transition: opacity 0.3s ease;
    width: 100%;
}

.stepper-content .step-content.active {
    position: relative;
    opacity: 1;
}

.stepper-content {
    position: relative;
}
