/* ========================================
   Lagersystem - Main Stylesheet
   Modern Dark Theme
   ======================================== */

:root {
    --bg-primary: #0d0d0d;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --bg-card: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border-color: #333333;
    --accent-palle: #4ade80;
    --accent-gulv: #60a5fa;
    --accent-hover: #22c55e;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --success: #10b981;
    --chart-fill: rgba(74, 222, 128, 0.3);
    --chart-line: #4ade80;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

a {
    color: var(--accent-palle);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-palle), #22c55e);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon.gulv {
    background: linear-gradient(135deg, var(--accent-gulv), #3b82f6);
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav a:hover,
.nav a.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-palle);
}

.nav a.active.gulv,
.nav a:hover.gulv {
    border-bottom-color: var(--accent-gulv);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-badge {
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-tertiary);
    border-radius: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.user-badge.admin {
    background-color: rgba(74, 222, 128, 0.15);
    color: var(--accent-palle);
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* ========================================
   Cards & Stats
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.accent {
    color: var(--accent-palle);
}

/* ========================================
   Chart Container
   ======================================== */

.chart-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

/* ========================================
   Tables
   ======================================== */

.table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.table-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.table-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-select,
.search-input {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    min-width: 180px;
}

.filter-select:focus,
.search-input:focus {
    outline: none;
    border-color: var(--accent-palle);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: var(--bg-tertiary);
}

th {
    text-align: left;
    padding: 1rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.9rem;
}

tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

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

.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.pagination span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pagination a {
    padding: 0.25rem 0.5rem;
    color: var(--text-secondary);
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-palle);
    color: #000;
    border-color: var(--accent-palle);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #000;
}

.btn-primary.gulv {
    background-color: var(--accent-gulv);
    border-color: var(--accent-gulv);
}

.btn-primary.gulv:hover {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.btn-danger {
    background-color: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.btn-danger:hover {
    background-color: var(--danger-hover);
    border-color: var(--danger-hover);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent-palle);
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ========================================
   Forms
   ======================================== */

.form-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    max-width: 700px;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-palle);
}

.form-control:disabled,
.form-control[readonly] {
    opacity: 0.6;
    cursor: not-allowed;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-control {
    flex: 1;
}

.input-group .btn {
    flex-shrink: 0;
}

/* ========================================
   Login Page
   ======================================== */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

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

.login-logo h1 {
    font-size: 1.5rem;
    margin-top: 1rem;
}

.login-form .form-control {
    margin-bottom: 1rem;
}

.login-form .btn {
    width: 100%;
    margin-top: 1rem;
    padding: 0.875rem;
}

.login-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* ========================================
   Landing Page - System Selection
   ======================================== */

.landing-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.landing-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-align: center;
}

.landing-subtitle {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    text-align: center;
}

.system-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 700px;
    width: 100%;
}

.system-card {
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
}

.system-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.system-card.palle:hover {
    border-color: var(--accent-palle);
}

.system-card.gulv:hover {
    border-color: var(--accent-gulv);
}

.system-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
}

.system-card.palle .system-icon {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(34, 197, 94, 0.1));
    color: var(--accent-palle);
}

.system-card.gulv .system-icon {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--accent-gulv);
}

.system-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.system-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   Breadcrumb
   ======================================== */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
}

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

.breadcrumb span {
    color: var(--text-muted);
}

/* ========================================
   Status Badges
   ======================================== */

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-badge.active {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-badge.pending {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

/* ========================================
   Alerts & Messages
   ======================================== */

.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

/* ========================================
   Mobile Menu Button
   ======================================== */

.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 900px) {
    .mobile-menu-btn {
        display: block;
    }

    .header {
        padding: 0.75rem 1rem;
    }

    .header-content {
        flex-wrap: wrap;
    }

    .logo {
        font-size: 1rem;
    }

    .logo-text {
        display: none;
    }

    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        order: 3;
        background: var(--bg-secondary);
        margin-top: 1rem;
        border-radius: 8px;
        overflow: hidden;
    }

    .nav.show {
        display: flex;
    }

    .nav a {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav a:last-child {
        border-bottom: none;
    }

    .user-info {
        gap: 0.5rem;
    }

    .user-badge {
        display: none;
    }

    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .chart-wrapper {
        height: 200px;
    }

    .table-container {
        border-radius: 8px;
    }

    .table-header {
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
    }

    .table-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .table-actions form {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }

    .filter-select,
    .search-input {
        width: 100%;
        min-width: auto;
    }

    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    th,
    td {
        padding: 0.75rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .pagination {
        justify-content: center;
    }

    .form-container {
        padding: 1rem;
        border-radius: 8px;
    }

    .form-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .form-actions {
        justify-content: stretch;
    }

    .form-actions .btn {
        flex: 1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .input-group {
        flex-direction: column;
    }

    .landing-title {
        font-size: 1.5rem;
    }

    .system-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .system-card {
        padding: 1.5rem;
    }

    .system-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .login-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .header-content {
        gap: 0.5rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
    }
}