/* NIS2-Compliance-Portal - Hauptstylesheet */
/* Farbschema: Rot/Weiß, professionell */

:root {
    --n2-primary: #B71C1C;
    --n2-primary-dark: #7F0000;
    --n2-primary-light: #D32F2F;
    --n2-accent: #FFCDD2;
    --n2-accent-light: #FFF5F5;
    --n2-white: #FFFFFF;
    --n2-gray-50: #FAFAFA;
    --n2-gray-100: #F5F5F5;
    --n2-gray-200: #EEEEEE;
    --n2-gray-300: #E0E0E0;
    --n2-gray-500: #9E9E9E;
    --n2-gray-700: #616161;
    --n2-gray-900: #212121;
    --n2-success: #2E7D32;
    --n2-warning: #F57F17;
    --n2-danger: #C62828;
    --n2-info: #1565C0;
    --n2-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --n2-shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    --n2-radius: 8px;
    --n2-radius-sm: 4px;
    --n2-transition: all 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    background: var(--n2-gray-100);
    color: var(--n2-gray-900);
    min-height: 100vh;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

/* Navbar */
.n2-navbar {
    background: linear-gradient(135deg, var(--n2-primary) 0%, var(--n2-primary-dark) 100%);
    box-shadow: var(--n2-shadow-lg);
    padding: 0;
    z-index: 1030;
}
.n2-navbar .navbar-brand {
    color: var(--n2-white) !important;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
}
.n2-navbar .navbar-brand small {
    font-weight: 400;
    font-size: 0.7rem;
    opacity: 0.8;
    display: block;
    letter-spacing: 0;
}
.n2-navbar .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    padding: 0.75rem 1rem !important;
    transition: var(--n2-transition);
    font-size: 0.9rem;
}
.n2-navbar .nav-link:hover,
.n2-navbar .nav-link.active {
    color: var(--n2-white) !important;
    background: rgba(255,255,255,0.1);
}
.n2-navbar .dropdown-menu {
    border: none;
    box-shadow: var(--n2-shadow-lg);
    border-radius: var(--n2-radius);
}

/* Sidebar */
.n2-sidebar {
    background: var(--n2-white);
    min-height: calc(100vh - 60px);
    box-shadow: 2px 0 8px rgba(0,0,0,0.05);
    padding: 0;
    width: 250px;
    position: fixed;
    top: 60px;
    left: 0;
    overflow-y: auto;
    z-index: 1020;
    transition: transform 0.3s ease;
}
.n2-sidebar .nav-link {
    color: var(--n2-gray-700);
    padding: 0.7rem 1.25rem;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    transition: var(--n2-transition);
}
.n2-sidebar .nav-link:hover {
    background: var(--n2-accent-light);
    color: var(--n2-primary);
    border-left-color: var(--n2-accent);
}
.n2-sidebar .nav-link.active {
    background: var(--n2-accent-light);
    color: var(--n2-primary);
    font-weight: 600;
    border-left-color: var(--n2-primary);
}
.n2-sidebar .nav-link i {
    width: 24px;
    text-align: center;
    margin-right: 8px;
}
.n2-sidebar-heading {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--n2-gray-500);
    padding: 1rem 1.25rem 0.4rem;
    font-weight: 700;
}

/* Main Content */
.n2-main {
    margin-left: 250px;
    margin-top: 60px;
    padding: 1.5rem;
    min-height: calc(100vh - 60px);
}

/* Cards */
.n2-card {
    background: var(--n2-white);
    border-radius: var(--n2-radius);
    box-shadow: var(--n2-shadow);
    border: 1px solid var(--n2-gray-200);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--n2-transition);
}
.n2-card:hover {
    box-shadow: var(--n2-shadow-lg);
}
.n2-card-header {
    background: var(--n2-gray-50);
    border-bottom: 1px solid var(--n2-gray-200);
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--n2-gray-900);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.n2-card-body {
    padding: 1.25rem;
}
.n2-card-accent {
    border-top: 3px solid var(--n2-primary);
}

/* Buttons */
.btn-n2-primary {
    background: var(--n2-primary);
    color: var(--n2-white);
    border: none;
    border-radius: var(--n2-radius-sm);
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    transition: var(--n2-transition);
}
.btn-n2-primary:hover {
    background: var(--n2-primary-dark);
    color: var(--n2-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(183,28,28,0.3);
}
.btn-n2-outline {
    background: transparent;
    color: var(--n2-primary);
    border: 2px solid var(--n2-primary);
    border-radius: var(--n2-radius-sm);
    font-weight: 600;
    padding: 0.4rem 1.1rem;
    transition: var(--n2-transition);
}
.btn-n2-outline:hover {
    background: var(--n2-primary);
    color: var(--n2-white);
}
.btn-n2-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
}

/* Tables */
.n2-table {
    width: 100%;
    border-collapse: collapse;
}
.n2-table th {
    background: var(--n2-primary);
    color: var(--n2-white);
    padding: 0.7rem 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    text-align: left;
    white-space: nowrap;
}
.n2-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--n2-gray-200);
    font-size: 0.9rem;
    vertical-align: middle;
}
.n2-table tbody tr:hover {
    background: var(--n2-accent-light);
}
.n2-table tbody tr:nth-child(even) {
    background: var(--n2-gray-50);
}
.n2-table tbody tr:nth-child(even):hover {
    background: var(--n2-accent-light);
}

/* Stats / KPI */
.n2-stat-card {
    text-align: center;
    padding: 1.5rem 1rem;
}
.n2-stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--n2-primary);
    line-height: 1.2;
}
.n2-stat-label {
    font-size: 0.8rem;
    color: var(--n2-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* Forms */
.n2-form-control {
    border: 1px solid var(--n2-gray-300);
    border-radius: var(--n2-radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    transition: var(--n2-transition);
}
.n2-form-control:focus {
    border-color: var(--n2-primary);
    box-shadow: 0 0 0 3px rgba(183,28,28,0.1);
    outline: none;
}
.n2-form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--n2-gray-700);
    margin-bottom: 0.3rem;
}

/* Login Page */
.n2-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--n2-primary) 0%, var(--n2-primary-dark) 100%);
    padding: 1rem;
}
.n2-login-card {
    background: var(--n2-white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2rem;
}
.n2-login-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.n2-login-logo h1 {
    color: var(--n2-primary);
    font-weight: 800;
    font-size: 1.6rem;
    margin: 0;
}
.n2-login-logo p {
    color: var(--n2-gray-500);
    font-size: 0.85rem;
    margin: 0.25rem 0 0;
}

/* Alerts */
.n2-alert {
    border-radius: var(--n2-radius);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border-left: 4px solid;
}
.n2-alert-success { background: #E8F5E9; border-color: var(--n2-success); color: #1B5E20; }
.n2-alert-warning { background: #FFF8E1; border-color: var(--n2-warning); color: #E65100; }
.n2-alert-danger { background: #FFEBEE; border-color: var(--n2-danger); color: #B71C1C; }
.n2-alert-info { background: #E3F2FD; border-color: var(--n2-info); color: #0D47A1; }

/* Setup Wizard */
.n2-setup-step {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--n2-radius);
    background: var(--n2-gray-50);
}
.n2-setup-step.active { background: var(--n2-accent-light); border: 1px solid var(--n2-accent); }
.n2-setup-step.done { background: #E8F5E9; }
.n2-setup-step-number {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--n2-gray-300);
    color: var(--n2-white);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.85rem;
    margin-right: 1rem;
    flex-shrink: 0;
}
.n2-setup-step.active .n2-setup-step-number { background: var(--n2-primary); }
.n2-setup-step.done .n2-setup-step-number { background: var(--n2-success); }

/* Progress bars */
.progress { border-radius: 20px; background: var(--n2-gray-200); }
.progress-bar { border-radius: 20px; transition: width 0.6s ease; }

/* Footer */
.n2-footer {
    background: var(--n2-white);
    border-top: 1px solid var(--n2-gray-200);
    padding: 1rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--n2-gray-500);
    margin-left: 250px;
}

/* Responsive */
@media (max-width: 991.98px) {
    .n2-sidebar {
        transform: translateX(-100%);
        z-index: 1040;
    }
    .n2-sidebar.show {
        transform: translateX(0);
    }
    .n2-main {
        margin-left: 0;
    }
    .n2-footer {
        margin-left: 0;
    }
    .n2-sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1035;
        display: none;
    }
    .n2-sidebar-overlay.show {
        display: block;
    }
}

@media (max-width: 575.98px) {
    .n2-main { padding: 1rem; }
    .n2-card-body { padding: 1rem; }
    .n2-login-card { padding: 1.5rem 1.25rem; }
    .n2-stat-value { font-size: 1.8rem; }
    
    /* Tables als Cards auf Mobile */
    .n2-table-responsive .n2-table thead { display: none; }
    .n2-table-responsive .n2-table tr {
        display: block;
        margin-bottom: 0.75rem;
        border: 1px solid var(--n2-gray-200);
        border-radius: var(--n2-radius);
        padding: 0.5rem;
    }
    .n2-table-responsive .n2-table td {
        display: flex;
        justify-content: space-between;
        padding: 0.4rem 0.75rem;
        border: none;
        font-size: 0.85rem;
    }
    .n2-table-responsive .n2-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--n2-gray-700);
        margin-right: 1rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--n2-gray-100); }
::-webkit-scrollbar-thumb { background: var(--n2-gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--n2-gray-500); }

/* Utilities */
.text-n2-primary { color: var(--n2-primary) !important; }
.bg-n2-primary { background: var(--n2-primary) !important; }
.border-n2 { border-color: var(--n2-primary) !important; }

/* Fix: User-Dropdown auf Mobile rechtsbündig */
.n2-navbar .dropdown-menu {
    right: 0 !important;
    left: auto !important;
    min-width: 200px;
}
@media (max-width: 991.98px) {
    .n2-navbar .d-flex {
        margin-left: auto;
    }
    .n2-navbar .dropdown {
        position: static;
    }
    .n2-navbar .dropdown-menu {
        position: absolute !important;
        right: 0.5rem !important;
        left: auto !important;
        top: 100% !important;
    }
}