/* Основные стили */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1f36 0%, #2d3561 100%);
    color: #f8fafc;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
}

/* Навигация */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
    text-decoration: none !important;
}

.navbar-brand:hover {
    text-decoration: none !important;
}

/* Логотип */
.logo {
    height: 40px;
    width: auto;
    max-width: 120px;
}

.brand-title {
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.2;
    color: #f1f5f9;
}

.brand-version {
    font-size: 0.75rem;
    line-height: 1;
    color: rgba(241, 245, 249, 0.8);
}

/* Карточки */
.card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    background: rgba(45, 53, 97, 0.8);
    backdrop-filter: blur(10px);
    color: #f8fafc;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px 16px 0 0 !important;
    color: #f1f5f9;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

.card-body {
    padding: 2rem;
}

/* Стили для загрузки файлов */
.file-upload-area {
    border: 2px dashed rgba(16, 185, 129, 0.4);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.file-upload-area:hover {
    border-color: rgba(16, 185, 129, 0.6);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.file-upload-area.dragover {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    transform: scale(1.02);
}

.file-upload-icon {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.file-upload-area:hover .file-upload-icon {
    color: #10b981;
    transform: scale(1.1);
}

.file-upload-text {
    color: rgba(248, 250, 252, 0.9);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.file-upload-hint {
    color: rgba(248, 250, 252, 0.7);
    font-size: 0.9rem;
}

.file-selected {
    background: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
}

.file-selected .file-upload-icon {
    color: #10b981;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.file-meta {
    color: rgba(248, 250, 252, 0.95);
}

.file-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #f1f5f9;
    font-size: 1rem;
}

.file-size {
    font-size: 0.85rem;
    color: rgba(248, 250, 252, 0.8);
}

.remove-file {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remove-file:hover {
    background: rgba(239, 68, 68, 0.3);
    transform: scale(1.05);
}
.form-control {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: #f1f5f9;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    background: rgba(255, 255, 255, 0.15);
    color: #f1f5f9;
    outline: none;
}

.form-control::placeholder {
    color: rgba(248, 250, 252, 0.7);
}

/* Кнопки */
.btn {
    border-radius: 12px;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Информационные секции */
.info-section {
    margin-bottom: 2rem;
}

.info-item {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f8f9fa;
}

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

/* Статус обновления */
.update-status-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.update-status-card .status-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.update-status-card .status-content h6 {
    color: #f1f5f9;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.update-status-card .text-muted {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1rem;
    font-weight: 500;
}

.update-status-card .text-success {
    color: #4ade80 !important;
    font-weight: 600;
}

.update-status-card .text-warning {
    color: #fbbf24 !important;
}

/* Версии */
.version-highlight {
    background: rgba(96, 165, 250, 0.2);
    color: #93c5fd;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    border: 1px solid rgba(96, 165, 250, 0.3);
    font-weight: 600;
}

.version-current {
    background: rgba(251, 191, 36, 0.25);
    color: #fde047;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    border: 1px solid rgba(251, 191, 36, 0.4);
    font-weight: 600;
}

.version-latest {
    background: rgba(74, 222, 128, 0.25);
    color: #4ade80;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    border: 1px solid rgba(74, 222, 128, 0.4);
    font-weight: 600;
}

.status-section .alert {
    border-radius: 10px;
    border: none;
    padding: 1rem 1.25rem;
}

.file-section {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
}

/* Извлеченные данные */
.extracted-data-section {
    margin-top: 1.5rem;
}

.extracted-data-section .bg-light {
    border: 1px solid #dee2e6;
    border-radius: 8px;
}

/* Анимации загрузки */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .info-section {
        margin-bottom: 1.5rem;
    }
}

/* Утилиты */
.font-monospace {
    font-family: 'Courier New', Courier, monospace;
}

.text-truncate-custom {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

/* Футер */
footer {
    margin-top: auto;
    background: rgba(248, 249, 250, 0.95) !important;
    backdrop-filter: blur(10px);
}

/* Модальные окна */
.modal-content {
    border-radius: 15px;
    border: none;
}

/* Дополнительные стили для печати */
@media print {
    body {
        background: white !important;
    }
    
    .navbar, footer, .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}

/* Информация о файле */
.file-info-block {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.file-info-block .file-detail {
    margin-bottom: 0.75rem;
}

.file-info-block .file-detail:last-child {
    margin-bottom: 0;
}

.file-info-block .text-muted {
    color: rgba(248, 250, 252, 0.9) !important;
    font-size: 1rem;
    font-weight: 500;
}

.file-info-block code {
    background: rgba(16, 185, 129, 0.25);
    color: #10b981;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.file-info-block .fas {
    color: #3c5777;
    width: 16px;
}

.file-info-block strong {
    color: #f1f5f9;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Анимация появления */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease-out;
}

/* Стили для drag & drop */
.form-control[type="file"] {
    position: relative;
    overflow: hidden;
}

.form-control[type="file"]:hover {
    background-color: #f8f9fa;
}

/* Signature status card */
.signature-status-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.signature-status-card .alert {
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.signature-status-card .alert-success {
    background: rgba(16, 185, 129, 0.2);
    border-left: 4px solid #10b981;
}

.signature-status-card .alert-warning {
    background: rgba(245, 158, 11, 0.2);
    border-left: 4px solid #f59e0b;
}

.signature-status-card .alert-danger {
    background: rgba(239, 68, 68, 0.2);
    border-left: 4px solid #ef4444;
}

.signature-status-card .alert-info {
    background: rgba(59, 130, 246, 0.2);
    border-left: 4px solid #3b82f6;
}

.signature-status-card .alert-secondary {
    background: rgba(107, 114, 128, 0.2);
    border-left: 4px solid #6b7280;
}

/* Индикаторы статуса */
.alert-success {
    background: linear-gradient(45deg, #d1e7dd, #a3d9a4);
    color: #0f5132;
}

.alert-warning {
    background: linear-gradient(45deg, #fff3cd, #ffecb5);
    color: #664d03;
}