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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* Страницы авторизации */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 40px);
}

.auth-box {
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.auth-box h1 {
    text-align: center;
    color: #333;
    margin-bottom: 10px;
}

.auth-box h2 {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #c33;
}

.success-message {
    background: #efe;
    color: #3c3;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid #3c3;
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-small {
    width: auto;
    padding: 6px 12px;
    font-size: 14px;
    white-space: nowrap;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #764ba2;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.auth-link a {
    color: #667eea;
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Главная страница */
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 30px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    position: relative;
}

.header-spacer {
    width: 120px;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #667eea;
}

.header-user span {
    color: #333;
    font-weight: 500;
}

.btn-logout {
    background: #6c757d;
    color: white;
    padding: 6px 12px;
    font-size: 12px;
}

.btn-logout:hover {
    background: #5a6268;
}

.header h1 {
    color: #333;
    margin: 0;
    flex: 1;
    text-align: center;
}

.header-actions {
    display: flex;
    gap: 10px;
}

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

.btn-success {
    background: #28a745;
    color: white;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-warning {
    background: #ffc107;
    color: #333;
}

/* Область загрузки */
.upload-area {
    border: 3px dashed #667eea;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
    background: #f8f9ff;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    background: #f0f2ff;
    border-color: #764ba2;
}

.upload-area.dragover {
    background: #e8ebff;
    border-color: #764ba2;
}

#fileInput {
    display: none;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.upload-text {
    color: #666;
    font-size: 16px;
    margin-bottom: 10px;
}

/* Статистика */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card-wide {
    grid-column: span 2;
}

/* На широких экранах фиксируем 6 колонок, чтобы "широкая" карточка занимала ровно 2 колонки */
@media (min-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* На узких экранах пусть широкая карточка занимает всю строку */
@media (max-width: 1199px) {
    .stat-card-wide {
        grid-column: 1 / -1;
    }
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 20px;
    color: white;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
}

.stat-card-empty {
    visibility: hidden;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-card.profit {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.stat-card.loss {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
}

/* Фильтры */
.filters {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-filter-apply {
    margin-left: auto;
}

.filter-group label {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.filter-group input,
.filter-group select {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.filter-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Таблица */
.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
}

th:hover {
    background: rgba(255, 255, 255, 0.1);
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid #e9ecef;
    font-size: 14px;
}

tbody tr:hover {
    background: #f8f9fa;
}

tbody tr:last-child td {
    border-bottom: none;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.positive {
    color: #28a745;
    font-weight: bold;
}

.negative {
    color: #dc3545;
    font-weight: bold;
}

.badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

.badge-reentry {
    background: #ffc107;
    color: #333;
}

.badge-day2 {
    background: #28a745;
    color: white;
}

/* Загрузка */
.loading {
    text-align: center;
    padding: 20px;
    color: #667eea;
    font-size: 16px;
    display: none;
}

.loading.visible {
    display: block;
}

/* Сообщения */
.message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}