:root {
    --primary-color: #2563eb;
    /* Royal Blue */
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    /* Slate Grey */
    --success-color: #10b981;
    /* Emerald */
    --warning-color: #f59e0b;
    /* Amber */
    --danger-color: #ef4444;
    /* Red */
    --info-color: #3b82f6;
    /* Blue */

    --bg-body: #f1f5f9;
    /* Light Slate Background */
    --bg-card: #ffffff;

    --text-main: #0f172a;
    /* Dark Slate */
    --text-muted: #64748b;

    --border-color: #e2e8f0;
    --border-radius: 12px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: 2rem;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background-color: #ffffff !important;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color) !important;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand::before {
    content: '';
    display: block;
    width: 8px;
    height: 24px;
    background-color: var(--primary-color);
    border-radius: 4px;
}

.nav-link {
    color: var(--secondary-color) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background-color: #eff6ff;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover,
.btn-outline-primary.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.card-title {
    color: var(--text-main);
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Forms */
.form-label {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.625rem 1rem;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: #fff;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-select {
    padding-right: 2.25rem !important;
}

.form-select-sm {
    padding-top: 0.25rem !important;
    padding-bottom: 0.25rem !important;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8fafc;
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.table-hover tbody tr:hover {
    background-color: #f8fafc;
}

/* Badges */
.badge {
    padding: 0.35em 0.8em;
    font-weight: 600;
    font-size: 0.75rem;
    border-radius: 6px;
    letter-spacing: 0.025em;
}

/* Custom Status Colors for Badges */
.bg-danger {
    background-color: #fee2e2 !important;
    color: #991b1b !important;
}

/* Nowe - Light Red */
.bg-warning {
    background-color: #fef3c7 !important;
    color: #92400e !important;
}

/* W trakcie - Light Amber */
.bg-success {
    background-color: #d1fae5 !important;
    color: #065f46 !important;
}

/* Naprawione - Light Emerald */
.bg-info {
    background-color: #dbeafe !important;
    color: #1e40af !important;
}

/* Rozwiązane - Light Blue */

/* Login Page Specifics */
.login-card {
    border: none;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.brand-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    letter-spacing: -0.05em;
}

/* Utilities */
.text-muted {
    color: var(--secondary-color) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.fw-bold {
    font-weight: 600 !important;
}

.gradient-text {
    background: none;
    background-clip: unset;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: initial;
    color: var(--text-main);
}

/* Responsywność - poprawki mobilne */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 0.95rem !important;
        line-height: 1.3;
    }

    .login-card {
        padding: 1.5rem 1.25rem !important;
        margin: 0.5rem;
    }

    .brand-logo {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .card-body {
        padding: 1rem !important;
    }

    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .table th, .table td {
        font-size: 0.85rem;
        padding: 0.75rem 0.5rem;
    }
    
    .table td .badge {
        font-size: 0.7rem;
    }
}

/* Zapobieganie łamaniu tekstu w kluczowych kolumnach z przyciskami/odznakami */
.no-wrap-cell {
    white-space: nowrap;
    width: 1%;
}