/* PHONE COLUMN DETECTOR STYLES */

.phone-column-detector {
    max-width: 1000px;
    margin: 0 auto;
}

/* Upload Section */
.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.upload-area:hover {
    border-color: #007bff;
    background-color: #f0f8ff;
}

.upload-area.drag-over {
    border-color: #28a745;
    background-color: #f0fff0;
    transform: scale(1.02);
}

.upload-dropzone {
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.upload-dropzone i {
    color: #6c757d;
    margin-bottom: 1rem;
}

.upload-dropzone h4 {
    color: #495057;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.upload-dropzone p {
    margin-bottom: 1.5rem;
}

/* Column Detection Section */
.column-detection-section .card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: none;
}

.column-detection-section .card-header {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border-bottom: none;
}

.column-detection-section .card-header h5 {
    font-weight: 600;
}

.column-detection-section .badge {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
}

#currentColumnName {
    color: #007bff;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Sample Data Container */
.sample-data-container {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid #e9ecef;
    margin-bottom: 1rem;
}

.sample-data-container .table {
    margin-bottom: 0;
    background-color: white;
    table-layout: fixed;
    width: 100%;
}

.sample-data-container .table th {
    background-color: #e9ecef;
    border-top: none;
    font-weight: 500;
    font-size: 20px;
}

.sample-data-container .table th:first-child {
    width: 70%;
}

.sample-data-container .table th:last-child {
    width: 30%;
    text-align: center;
}

.sample-data-container .table td {
    vertical-align: middle;
    font-family: "Courier New", monospace;
}

.sample-data-container .table td:last-child {
    text-align: center;
}

.sample-data-container .table td:first-child {
    font-weight: 500;
    color: #495057;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Detection Info */
.detection-info {
    position: sticky;
    top: 20px;
}

.detection-info .alert {
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.detection-info .alert strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* Navigation Buttons */
.card-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 1rem 1.25rem;
}

.card-footer .btn {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.card-footer .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-footer .btn-outline-secondary:hover {
    background-color: #6c757d;
    border-color: #6c757d;
    color: white;
}

.card-footer .btn-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    border: none;
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
}

.card-footer .btn-success:hover {
    background: linear-gradient(135deg, #20c997, #28a745);
}

/* Processing Section */
.processing-section .card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.processing-section .spinner-border {
    width: 3rem;
    height: 3rem;
}

.processing-section h5 {
    color: #495057;
    font-weight: 600;
}

/* Badges */
.badge-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.badge-secondary {
    background-color: #6c757d;
}

.badge-info {
    background: linear-gradient(135deg, #17a2b8, #007bff);
}

/* Error Messages */
.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .phone-column-detector {
        margin: 0 1rem;
    }

    .card-footer .d-flex {
        flex-direction: column;
        align-items: stretch;
    }

    .card-footer .d-flex > div {
        margin-bottom: 1rem;
    }

    .card-footer .d-flex > div:last-child {
        margin-bottom: 0;
    }

    .card-footer .btn {
        margin-bottom: 0.5rem;
        margin-right: 0;
    }

    .detection-info {
        position: static;
        margin-top: 1rem;
    }

    .upload-dropzone {
        min-height: 150px;
        padding: 1rem;
    }

    .upload-dropzone h4 {
        font-size: 1.1rem;
    }

    .upload-dropzone i {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .sample-data-container .table {
        font-size: 0.85rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .card-header .badge {
        margin-top: 0.5rem;
    }

    #currentColumnName {
        font-size: 1.1rem;
    }

    .phone-pattern-info {
        padding: 0.75rem;
    }
}

/* Animation for smooth transitions */
.phone-column-detector > div {
    transition:
        opacity 0.3s ease,
        transform 0.3s ease;
}

.phone-column-detector > div[style*="none"] {
    opacity: 0;
    transform: translateY(10px);
}

.phone-column-detector > div:not([style*="none"]) {
    opacity: 1;
    transform: translateY(0);
}

/* Focus states for accessibility */
.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.upload-area:focus-within {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Loading states */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading:after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    animation: button-loading-spinner 1s ease infinite;
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

/* Confirmed State Styling */
.confirmation-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #28a745;
    font-weight: 600;
}

.confirmation-status i {
    font-size: 1.2rem;
    color: #28a745;
}

.column-detection-section.confirmed .card-header {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.column-detection-section.confirmed .sample-data-container {
    background-color: #f8fff8;
    border-color: #28a745;
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

.column-detection-section.confirmed .detection-info .alert {
    border-color: #28a745;
    background-color: #d4edda;
    color: #155724;
}

#pickDifferentColumnBtn {
    background-color: #6c757d;
    border-color: #6c757d;
    color: white;
    transition: all 0.2s ease;
}

#pickDifferentColumnBtn:hover {
    background-color: #5a6268;
    border-color: #545b62;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Email Section Transition */
.email-section {
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(-10px);
}

.email-section[style*="block"] {
    opacity: 1;
    transform: translateY(0);
}

/* Processing Button Styling */
.processing-button {
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}