/* ==========================================================================
   RNN Portal & Interessenten-Verwaltung - Modern Design System
   ========================================================================== */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-dark: #1e40af;
    
    --navy-900: #0f172a;
    --navy-800: #1e293b;
    --navy-700: #334155;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --emerald-500: #10b981;
    --emerald-600: #059669;
    --emerald-50: #ecfdf5;
    
    --amber-500: #f59e0b;
    --amber-50: #fffbeb;
    
    --rose-500: #f43f5e;
    --rose-600: #e11d48;
    --rose-50: #fff1f2;

    --purple-500: #8b5cf6;
    --purple-50: #f5f3ff;
    
    --indigo-500: #6366f1;
    --indigo-50: #eef2ff;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.06);
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--slate-100);
    color: var(--slate-800);
    line-height: 1.5;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* ==========================================================================
   App Layout & Header
   ========================================================================== */

.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--slate-200);
    height: 70px;
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: var(--shadow-sm);
}

.navbar-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--navy-900);
}

.brand-badge {
    background: linear-gradient(135deg, var(--primary), var(--navy-900));
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.portal-nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 24px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    color: var(--slate-600);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background: var(--slate-100);
    color: var(--navy-900);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.user-nav-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-profile-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    padding: 6px 14px 6px 8px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--slate-700);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--navy-800);
    color: #fff;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.main-content {
    flex: 1;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 28px 24px 60px 24px;
}

/* ==========================================================================
   Page Headers & Hero Stats
   ========================================================================== */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title-area h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--navy-900);
    letter-spacing: -0.02em;
}

.page-title-area p {
    color: var(--slate-500);
    font-size: 14px;
    margin-top: 4px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-info .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--navy-900);
    line-height: 1.1;
}

.stat-info .stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--slate-500);
    margin-top: 4px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-blue { background: var(--primary-light); color: var(--primary); }
.icon-emerald { background: var(--emerald-50); color: var(--emerald-600); }
.icon-amber { background: var(--amber-50); color: var(--amber-500); }
.icon-purple { background: var(--purple-50); color: var(--purple-500); }

/* ==========================================================================
   Filter & Toolbar Bar
   ========================================================================== */

.card {
    background: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-toolbar {
    padding: 18px 20px;
    border-bottom: 1px solid var(--slate-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    background: #ffffff;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    flex: 1;
}

.search-box {
    position: relative;
    min-width: 260px;
    max-width: 360px;
    flex: 1;
}

.search-box input {
    width: 100%;
    padding: 9px 14px 9px 38px;
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-200);
    background: var(--slate-50);
    font-size: 14px;
    outline: none;
    transition: all var(--transition-fast);
}

.search-box input:focus {
    background: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--slate-400);
    pointer-events: none;
}

.select-filter {
    padding: 9px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-200);
    background: var(--slate-50);
    font-size: 14px;
    color: var(--slate-700);
    outline: none;
    cursor: pointer;
    min-width: 160px;
}

.select-filter:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ==========================================================================
   Data Table
   ========================================================================== */

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.data-table th {
    background: var(--slate-50);
    padding: 12px 18px;
    font-weight: 600;
    color: var(--slate-600);
    border-bottom: 1px solid var(--slate-200);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--slate-200);
    color: var(--slate-800);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: var(--slate-50);
}

.applicant-info {
    display: flex;
    flex-direction: column;
}

.applicant-name {
    font-weight: 600;
    color: var(--navy-900);
}

.applicant-meta {
    font-size: 12px;
    color: var(--slate-500);
}

.contact-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--slate-700);
    font-size: 13px;
    text-decoration: none;
}

.contact-pill:hover {
    color: var(--primary);
}

/* ==========================================================================
   Badges & Status Tags
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}

.badge-blue { background: var(--primary-light); color: var(--primary-dark); }
.badge-emerald { background: var(--emerald-50); color: var(--emerald-600); }
.badge-amber { background: var(--amber-50); color: #b45309; }
.badge-purple { background: var(--purple-50); color: #6d28d9; }
.badge-indigo { background: var(--indigo-50); color: #4338ca; }
.badge-rose { background: var(--rose-50); color: var(--rose-600); }
.badge-slate { background: var(--slate-100); color: var(--slate-600); }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    text-decoration: none;
    line-height: 1.25;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: #ffffff;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.btn-emerald {
    background: var(--emerald-600);
    color: #ffffff;
}

.btn-emerald:hover {
    background: #047857;
    color: #ffffff;
}

.btn-outline {
    background: #ffffff;
    border-color: var(--slate-200);
    color: var(--slate-700);
}

.btn-outline:hover {
    background: var(--slate-50);
    border-color: var(--slate-300);
    color: var(--navy-900);
}

.btn-icon-only {
    padding: 8px;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid transparent;
    color: var(--slate-500);
    cursor: pointer;
}

.btn-icon-only:hover {
    background: var(--slate-100);
    color: var(--navy-900);
}

.btn-icon-danger:hover {
    background: var(--rose-50);
    color: var(--rose-600);
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.w-full {
    width: 100%;
}

/* ==========================================================================
   Forms & Controls
   ========================================================================== */

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 6px;
}

.form-group .required-star {
    color: var(--rose-500);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    background: #ffffff;
    color: var(--slate-800);
    outline: none;
    transition: all var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control.with-icon {
    padding-left: 40px;
}

.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--slate-400);
    pointer-events: none;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .col {
    flex: 1;
}

.form-row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy-900);
    margin: 24px 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--slate-200);
}

/* ==========================================================================
   Alerts & Toasts
   ========================================================================== */

.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    margin-bottom: 20px;
}

.alert-success {
    background: var(--emerald-50);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background: var(--rose-50);
    color: #9f1239;
    border: 1px solid #fecdd3;
}

.alert-warning {
    background: var(--amber-50);
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--primary-light);
    color: var(--primary-dark);
    border: 1px solid #bfdbfe;
}

#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: var(--navy-900);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
}

.toast.toast-success { background: #065f46; }
.toast.toast-error { background: #9f1239; }

@keyframes toastSlideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   Auth / Login Layout
   ========================================================================== */

.auth-body {
    background: radial-gradient(circle at top right, #1e3a8a, var(--navy-900) 60%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo-badge {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--navy-900));
    color: #ffffff;
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

.auth-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy-900);
}

.auth-header p {
    font-size: 14px;
    color: var(--slate-500);
    margin-top: 6px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: var(--slate-400);
}

.setup-status-box {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    padding: 16px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px dashed var(--slate-200);
}

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

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background: #ffffff;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal-backdrop.active .modal-dialog {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--slate-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy-900);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--slate-200);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    background: var(--slate-50);
}

/* Utility Helpers */
.text-muted { color: var(--slate-500); }
.text-sm { font-size: 13px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.text-center { text-align: center; }

@media (max-width: 768px) {
    .portal-nav-links { display: none; }
    .form-row { flex-direction: column; gap: 0; }
    .stats-grid { grid-template-columns: 1fr; }
    .search-box { min-width: 100%; }
}