/**
 * Upload Modal Component Styles
 * 코스 업로드 모달 컴포넌트
 */

/* ===================================
   Base Modal Styles
   =================================== */

.upload-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.upload-modal-content {
    background: var(--bg-primary);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.upload-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
}

.upload-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.upload-modal-close:hover {
    color: var(--text-primary);
}

.upload-modal-body {
    padding: 24px;
}

.upload-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
}

/* ===================================
   Upload Steps
   =================================== */

.upload-step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

/* ===================================
   Upload Tabs
   =================================== */

.upload-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.upload-tab {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-tab.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.upload-tab-content {
    display: none;
}

.upload-tab-content.active {
    display: block;
}

/* ===================================
   Form Elements
   =================================== */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.checkbox-label {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    margin-top: 24px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    flex-shrink: 0;
    align-self: center;
    cursor: pointer;
}

.checkbox-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.checkbox-text span {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.checkbox-text small {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.2;
}

/* ===================================
   Search Results
   =================================== */

.course-search-results {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    margin-top: 8px;
}

.search-result-item {
    padding: 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.2s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--bg-secondary);
}

.search-result-item.selected {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--accent-primary);
}

.search-result-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.search-result-info {
    display: flex;
    gap: 8px;
    font-size: 0.8rem;
}

.search-no-results,
.search-error {
    padding: 16px;
    text-align: center;
    color: var(--text-secondary);
}

/* ===================================
   File Drop Zone
   =================================== */

.file-drop-zone {
    border: 2px dashed var(--border-light);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.file-drop-zone:hover,
.file-drop-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.05);
}

.file-drop-zone .file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-drop-text {
    pointer-events: none;
}

.file-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.file-drop-text p {
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.file-name {
    font-weight: 500;
    color: var(--accent-primary);
}

/* ===================================
   Selected Course Info
   =================================== */

.selected-course-info {
    margin-bottom: 20px;
}

.selected-course-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
}

.course-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.course-title {
    font-weight: 600;
    color: var(--accent-primary);
}

/* ===================================
   Upload Buttons
   =================================== */

.upload-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-btn.primary {
    background: var(--accent-primary);
    border: none;
    color: white;
}

.upload-btn.primary:hover {
    background: var(--accent-secondary);
}

.upload-btn.secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.upload-btn.secondary:hover {
    background: var(--bg-primary);
    border-color: var(--text-secondary);
}

/* ===================================
   Upload Progress
   =================================== */

.upload-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 16px;
}

/* ===================================
   Upload Complete
   =================================== */

.upload-complete {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: #22c55e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 16px;
}

.upload-complete h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-complete p {
    color: var(--text-secondary);
}

/* ===================================
   Annual Badge
   =================================== */

.annual-badge {
    display: inline-block;
    padding: 2px 6px;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    font-size: 0.75rem;
    border-radius: 4px;
}

/* ===================================
   Mobile Responsive
   =================================== */

@media (max-width: 768px) {
    .upload-modal {
        padding: 16px;
        align-items: center;
    }

    .upload-modal-content {
        max-width: 100%;
        max-height: 80vh;
        border-radius: 12px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}