:root {
    --bs-dark: #212529; --bs-primary: #0d6efd; --bs-danger: #dc3545;
    --bs-success: #198754; --bs-warning: #ffc107; --bs-info: #0dcaf0;
    --text-primary: #ffffff; --text-secondary: #e9ecef; --text-muted: #b0b0b0;
    --bg-dark-main: #0f172a; --card-bg: rgba(30, 41, 59, 0.7);
}
* { box-sizing: border-box; }
body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary); font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6; overflow-x: hidden; margin: 0; padding: 0; min-height: 100vh;
}
.app-container { max-width: 1400px; margin: 0 auto; padding: 20px; }
.card {
    background: var(--card-bg); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.05);
    border-radius: 16px; box-shadow: 0 8px 32px 0 rgba(0,0,0,0.3);
    color: var(--text-primary); padding: 25px; margin-bottom: 20px;
}
.nav-tabs { border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 25px; display: flex; flex-direction: row; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tabs .nav-link { background-color: transparent; border: 1px solid transparent; border-bottom: none; color: var(--text-muted); padding: 14px 28px; border-radius: 12px 12px 0 0; margin-right: 8px; transition: all 0.3s ease; cursor: pointer; flex: 1; text-align: center; white-space: nowrap; min-width: 120px; font-weight: 500; }
.nav-tabs .nav-link:hover { color: var(--text-primary); background-color: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); }
.nav-tabs .nav-link.active { background-color: var(--card-bg); backdrop-filter: blur(12px); border-color: rgba(255,255,255,0.1); border-bottom: 1px solid var(--card-bg); color: var(--bs-primary); font-weight: 600; }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.4s ease; }
.toast-notification {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%) translateY(-20px);
    padding: 14px 24px; border-radius: 12px; font-weight: 500; box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    opacity: 0; pointer-events: none; transition: all 0.4s cubic-bezier(0.175,0.885,0.32,1.275);
    z-index: 2000; backdrop-filter: blur(10px); display: flex; align-items: center; gap: 10px;
}
#error-toast { background-color: rgba(220,53,69,0.9); color: #fff; }
#success-toast { background-color: rgba(25,135,84,0.9); color: #fff; }
.toast-notification.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.btn { border-radius: 10px; padding: 10px 20px; font-weight: 500; transition: all 0.2s ease; border: none; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.btn:active { transform: translateY(0); }
.status-bar { padding: 12px; background-color: rgba(15,23,42,0.6); border-radius: 10px; text-align: center; font-weight: 500; margin-top: 15px; border: 1px solid rgba(255,255,255,0.05); color: var(--text-muted); }
.modal-content { background-color: #1e293b !important; color: var(--text-primary); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; }
.modal-header, .modal-footer { background-color: rgba(15,23,42,0.5); border: none; }
.btn-close { filter: invert(1); }
.form-control, .form-select { background-color: #0f172a; border: 1px solid rgba(255,255,255,0.1); color: var(--text-primary); border-radius: 10px; }
.form-control:focus, .form-select:focus { background-color: #0f172a; border-color: var(--bs-primary); box-shadow: 0 0 0 0.25rem rgba(13,110,253,0.25); color: var(--text-primary); }
.date-inputs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.date-inputs .form-select { flex: 1; min-width: 80px; }

/* Стили хедера */
.app-header {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px 12px 0 0;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .app-container { padding: 15px; }
    .card { padding: 15px; }
    .nav-tabs .nav-link { padding: 10px 16px; font-size: 0.9rem; flex: 0 0 auto; min-width: 110px; }
    .btn { width: 100%; font-size: 0.9rem; margin-bottom: 5px; }
    .btn-sm-mobile { width: auto !important; margin-bottom: 0 !important; }
    .date-inputs { flex-direction: column; align-items: stretch; }
    .date-inputs .form-select { width: 100%; }
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }