/**
 * Düsen-OS Stylesheet - Phase A: Design Refresh
 * Corporate Colors: Gelb (#fff200), Grau (#231f20)
 * Modernisiertes Design mit besseren UI-Elementen
 */

/* ============================================
   CSS VARIABLEN
   ============================================ */
:root {
    /* Corporate Colors */
    --duesen-yellow: #fff200;
    --duesen-yellow-hover: #e6da00;
    --duesen-dark: #231f20;
    --duesen-dark-hover: #3a3536;
    
    /* Neutrale Farben */
    --duesen-gray: #6c757d;
    --duesen-light: #f8f9fa;
    --duesen-white: #ffffff;
    --duesen-bg: #f5f6f8;
    
    /* UI Variablen */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-hover: 0 6px 16px rgba(0,0,0,0.14);
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 50px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    background-color: var(--duesen-bg);
    color: var(--duesen-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--duesen-dark-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--duesen-dark);
    margin-bottom: var(--spacing-md);
}

hr {
    border: none;
    border-top: 1px solid rgba(0,0,0,0.1);
    margin: var(--spacing-lg) 0;
}

/* ============================================
   NAVIGATION / NAVBAR
   ============================================ */
.navbar {
    background: linear-gradient(135deg, var(--duesen-dark) 0%, #2d2829 100%) !important;
    box-shadow: var(--shadow-md);
    padding: 0.5rem 1rem;
    transition: all var(--transition-normal);
}

.navbar-brand {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.navbar-brand img {
    max-height: 38px;
    transition: transform var(--transition-normal);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.6rem 1rem;
    margin: 0 2px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.92rem;
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--duesen-yellow);
    background-color: rgba(255, 242, 0, 0.12);
}

.navbar-dark .navbar-nav .nav-link.active {
    color: var(--duesen-yellow);
    background-color: rgba(255, 242, 0, 0.15);
}

.navbar-dark .navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--duesen-yellow);
    border-radius: var(--radius-pill);
}

.navbar-dark .nav-link i {
    margin-right: 0.35rem;
    font-size: 1rem;
}

/* Dropdown Menus */
.dropdown-menu {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    margin-top: 0.5rem;
    min-width: 200px;
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--duesen-dark);
    transition: all var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--duesen-yellow);
    color: var(--duesen-dark);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
}

.dropdown-divider {
    margin: var(--spacing-sm) 0;
    border-color: rgba(0,0,0,0.08);
}

.dropdown-item-text {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-top: 68px;
    min-height: calc(100vh - 68px);
    padding-bottom: var(--spacing-xl);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    background: var(--duesen-white);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: var(--duesen-dark);
    color: var(--duesen-white);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    padding: 1rem 1.25rem;
    border-bottom: none;
    font-weight: 600;
}

.card-header h5,
.card-header h4,
.card-header h3,
.card-header .h5,
.card-header .h4,
.card-header .h3 {
    margin: 0;
    font-weight: 600;
    font-size: 1rem;
    color: var(--duesen-white) !important; /* Fix: Ensure white text on dark header */
}

/* Icons in card headers */
.card-header i {
    color: var(--duesen-yellow);
}

/* Dashboard widget specific fix */
.dashboard-widget h3,
.widget h3 {
    color: var(--duesen-white) !important;
}

.card-header.bg-light {
    background-color: var(--duesen-light) !important;
    color: var(--duesen-dark);
}

.card-header.bg-light h5,
.card-header.bg-light h4,
.card-header.bg-light h3 {
    color: var(--duesen-dark) !important;
}

.card-header.bg-light i {
    color: var(--duesen-dark);
}

/* Alternative: Yellow accent header */
.card-header.bg-yellow,
.card-header.header-yellow {
    background-color: var(--duesen-yellow) !important;
    color: var(--duesen-dark) !important;
}

.card-header.bg-yellow h5,
.card-header.header-yellow h5 {
    color: var(--duesen-dark) !important;
}

.card-header.bg-yellow i,
.card-header.header-yellow i {
    color: var(--duesen-dark) !important;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: var(--duesen-light);
    border-top: 1px solid rgba(0,0,0,0.05);
    padding: 0.75rem 1.25rem;
}

/* Card lift effect */
.card-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(255, 242, 0, 0.25);
}

/* Primary Button - Yellow */
.btn-primary {
    background-color: var(--duesen-yellow);
    border-color: var(--duesen-yellow);
    color: var(--duesen-dark);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--duesen-yellow-hover);
    border-color: var(--duesen-yellow-hover);
    color: var(--duesen-dark);
    transform: translateY(-1px);
}

.btn-primary:active {
    background-color: #d4c800;
    transform: translateY(0);
}

/* Dark Button */
.btn-dark {
    background-color: var(--duesen-dark);
    border-color: var(--duesen-dark);
    color: var(--duesen-white);
}

.btn-dark:hover,
.btn-dark:focus {
    background-color: var(--duesen-dark-hover);
    border-color: var(--duesen-dark-hover);
    transform: translateY(-1px);
}

/* Outline Primary */
.btn-outline-primary {
    border-color: var(--duesen-yellow);
    color: var(--duesen-dark);
    background: transparent;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--duesen-yellow);
    border-color: var(--duesen-yellow);
    color: var(--duesen-dark);
}

/* Outline Secondary */
.btn-outline-secondary {
    border-color: #dee2e6;
    color: var(--duesen-gray);
}

.btn-outline-secondary:hover {
    background-color: var(--duesen-light);
    border-color: #dee2e6;
    color: var(--duesen-dark);
}

/* Button Sizes */
.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

/* Icon Buttons */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.btn-icon-sm {
    width: 30px;
    height: 30px;
    font-size: 0.85rem;
}

/* Button Group */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ============================================
   FORMS
   ============================================ */
.form-control,
.form-select {
    border: 2px solid #e0e4e8;
    border-radius: var(--radius-md);
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    background-color: var(--duesen-white);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--duesen-yellow);
    box-shadow: 0 0 0 3px rgba(255, 242, 0, 0.2);
    outline: none;
}

.form-control::placeholder {
    color: #adb5bd;
}

.form-label {
    font-weight: 600;
    color: var(--duesen-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-label .text-danger {
    margin-left: 2px;
}

.form-text {
    font-size: 0.8rem;
    color: var(--duesen-gray);
    margin-top: 0.35rem;
}

/* Input Groups */
.input-group-text {
    background-color: var(--duesen-light);
    border: 2px solid #e0e4e8;
    border-radius: var(--radius-md);
    font-weight: 500;
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-left: 2px solid var(--duesen-yellow);
}

/* Checkboxes & Radios */
.form-check-input:checked {
    background-color: var(--duesen-yellow);
    border-color: var(--duesen-yellow);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(255, 242, 0, 0.25);
}

.form-check-label {
    font-weight: 500;
}

/* Form Switch */
.form-switch .form-check-input:checked {
    background-color: var(--duesen-yellow);
}

/* ============================================
   TABLES
   ============================================ */
.table {
    background-color: var(--duesen-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 0;
}

.table thead th {
    background-color: var(--duesen-dark);
    color: var(--duesen-white);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    padding: 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.875rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.table tbody tr:hover {
    background-color: rgba(255, 242, 0, 0.06);
}

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

/* Zebra Stripes */
.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0,0,0,0.015);
}

.table-striped tbody tr:nth-of-type(odd):hover {
    background-color: rgba(255, 242, 0, 0.06);
}

/* Responsive Table Wrapper */
.table-responsive {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   BADGES & PILLS
   ============================================ */
.badge {
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.badge-pill {
    border-radius: var(--radius-pill);
}

/* Pipeline Stages */
.pipeline-stage {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
}

.pipeline-stage.lead {
    background-color: #e9ecef;
    color: #495057;
}

.pipeline-stage.angebot {
    background-color: rgba(255, 242, 0, 0.3);
    color: #856404;
    border: 1px solid rgba(255, 242, 0, 0.5);
}

.pipeline-stage.auftrag {
    background-color: #d4edda;
    color: #155724;
}

/* Priority Badges */
.priority-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.priority-badge.low {
    background-color: #e7f3f5;
    color: #0c5460;
}

.priority-badge.medium {
    background-color: #fff3cd;
    color: #856404;
}

.priority-badge.high {
    background-color: #f8d7da;
    color: #721c24;
}

/* Status Badges */
.badge-planned { background-color: #6c757d; }
.badge-confirmed { background-color: #0d6efd; }
.badge-cancelled { background-color: #dc3545; }
.badge-completed { background-color: #198754; }

/* ============================================
   DASHBOARD
   ============================================ */

/* Stat Cards */
.stat-card {
    background: var(--duesen-white);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    border-left: 4px solid var(--duesen-yellow);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.stat-card .stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--duesen-dark);
    line-height: 1.2;
}

.stat-card .stat-label {
    color: var(--duesen-gray);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-top: 0.25rem;
}

/* Quick Actions */
.quick-action {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    background: var(--duesen-white);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--duesen-dark);
    transition: all var(--transition-fast);
    border: 1px solid rgba(0,0,0,0.05);
}

.quick-action:hover {
    background: var(--duesen-yellow);
    transform: translateX(4px);
    color: var(--duesen-dark);
    border-color: var(--duesen-yellow);
}

.quick-action i {
    font-size: 1.35rem;
    margin-right: 0.85rem;
    color: var(--duesen-yellow);
    transition: color var(--transition-fast);
}

.quick-action:hover i {
    color: var(--duesen-dark);
}

.quick-action span {
    font-weight: 500;
}

/* ============================================
   PIPELINE BOARD
   ============================================ */
.pipeline-board {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: var(--spacing-md) 0;
}

.pipeline-column {
    flex: 1;
    min-width: 300px;
    background: var(--duesen-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.pipeline-column-header {
    font-weight: 700;
    padding: 0.65rem 1rem;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.95rem;
}

.pipeline-column.lead .pipeline-column-header {
    background-color: #e9ecef;
    color: #495057;
}

.pipeline-column.angebot .pipeline-column-header {
    background-color: var(--duesen-yellow);
    color: var(--duesen-dark);
}

.pipeline-column.auftrag .pipeline-column-header {
    background-color: #198754;
    color: var(--duesen-white);
}

.pipeline-item {
    background: var(--duesen-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--duesen-yellow);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.pipeline-item h6 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
    color: var(--duesen-dark);
}

.pipeline-item .contact-info {
    font-size: 0.85rem;
    color: var(--duesen-gray);
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--duesen-dark) 0%, #2d2829 50%, #1a1718 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 242, 0, 0.08) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.login-card {
    background: var(--duesen-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.login-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .logo img {
    max-width: 200px;
}

.login-card h4 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--duesen-dark);
    font-weight: 700;
}

/* ============================================
   EVENT CARDS
   ============================================ */
.event-card {
    border-left: 4px solid var(--duesen-yellow) !important;
    transition: all var(--transition-normal);
}

.event-card:hover {
    border-left-color: var(--duesen-dark) !important;
}

.event-card .event-date {
    background: var(--duesen-yellow);
    color: var(--duesen-dark);
    padding: 1rem;
    text-align: center;
    border-radius: var(--radius-md);
}

.event-card .event-date .day {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.event-card .event-date .month {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ============================================
   EMAIL TEMPLATE PREVIEW
   ============================================ */
.email-preview {
    background: var(--duesen-light);
    border: 1px solid #dee2e6;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    white-space: pre-wrap;
    font-size: 0.9rem;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-header h1,
.page-header h2 {
    margin: 0;
    font-weight: 700;
    color: var(--duesen-dark);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--duesen-gray);
}

.empty-state i {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.4;
    display: block;
}

.empty-state h5 {
    margin-bottom: 0.5rem;
    color: var(--duesen-dark);
}

.empty-state p {
    margin-bottom: var(--spacing-md);
    color: var(--duesen-gray);
}

/* ============================================
   LIST GROUPS
   ============================================ */
.list-group-item {
    border: none;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 0.875rem 1rem;
    transition: background-color var(--transition-fast);
}

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

.list-group-item:hover {
    background-color: rgba(255, 242, 0, 0.05);
}

.list-group-flush {
    border-radius: 0;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
}

.alert-info {
    background-color: #cff4fc;
    color: #055160;
}

.alert-dismissible .btn-close {
    padding: 1.15rem;
}

/* ============================================
   PROFILE PAGE
   ============================================ */
.profile-picture-container {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--duesen-yellow);
    box-shadow: var(--shadow-md);
    margin: 0 auto var(--spacing-lg);
    background: var(--duesen-light);
}

.profile-picture-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-picture-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--duesen-light), #e9ecef);
    font-size: 4rem;
    color: var(--duesen-gray);
}

.profile-upload-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.profile-picture-wrapper:hover .profile-upload-overlay {
    opacity: 1;
}

/* ============================================
   TOOLTIPS
   ============================================ */
.tooltip-inner {
    background-color: var(--duesen-dark);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    padding: 0.4rem 0.75rem;
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--duesen-dark);
}

/* ============================================
   MODALS
   ============================================ */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid rgba(0,0,0,0.08);
    padding: 1.25rem 1.5rem;
}

.modal-title {
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid rgba(0,0,0,0.08);
    padding: 1rem 1.5rem;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    gap: 4px;
}

.page-link {
    border: none;
    border-radius: var(--radius-sm);
    color: var(--duesen-dark);
    padding: 0.5rem 0.85rem;
    font-weight: 500;
}

.page-link:hover {
    background-color: var(--duesen-light);
    color: var(--duesen-dark);
}

.page-item.active .page-link {
    background-color: var(--duesen-yellow);
    color: var(--duesen-dark);
}

/* ============================================
   FILTER BAR
   ============================================ */
.filter-bar {
    background: var(--duesen-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.filter-bar .form-control,
.filter-bar .form-select {
    border-color: #e9ecef;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--duesen-dark);
        padding: var(--spacing-md);
        margin-top: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .navbar-dark .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-radius: var(--radius-sm);
    }
    
    .navbar-dark .navbar-nav .nav-link.active::after {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .main-content {
        margin-top: 62px;
    }
    
    .stat-card .stat-value {
        font-size: 1.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .pipeline-board {
        flex-direction: column;
    }
    
    .pipeline-column {
        min-width: 100%;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
    
    .table thead th {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
    
    .table tbody td {
        padding: 0.65rem 0.75rem;
    }
}

@media (max-width: 575.98px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .login-card {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .quick-action {
        padding: 0.75rem;
    }
    
    .quick-action i {
        font-size: 1.15rem;
        margin-right: 0.65rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .btn,
    .quick-action,
    .card-footer {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
}