:root {
    /* Pastelové barvy */
    --color-primary: #A8D5BA;
    /* Mint green */
    --color-secondary: #FFB6B9;
    /* Soft pink */
    --color-accent: #B8B8D1;
    /* Lavender */
    --color-warning: #FFD4A3;
    /* Peach */
    --color-success: #C8E6C9;
    /* Light green */
    --color-danger: #FFCDD2;
    /* Light red */
    --color-info: #B3E5FC;
    /* Light blue */

    /* Neutrální barvy */
    --color-bg: #F5F5F5;
    /* Light gray */
    --color-white: #FFFFFF;
    --color-text: #4A4A4A;
    /* Dark gray */
    --color-text-light: #888888;
    --color-border: #E0E0E0;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

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

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

header .user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Navigation */
nav {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

nav a {
    color: var(--color-text);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    display: block;
}

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

nav a.active {
    background-color: var(--color-accent);
    color: white;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-header h2 {
    color: var(--color-text);
    font-size: 1.5rem;
    font-weight: 600;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--color-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(168, 213, 186, 0.2);
}

select.form-control {
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

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

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #90c4a8;
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
}

.btn-accent {
    background-color: var(--color-accent);
    color: white;
}

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

.btn-success {
    background-color: var(--color-success);
    color: var(--color-text);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 0.875rem;
}

/* Login Form */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-secondary) 100%);
}

.login-box {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
}

table th,
table td {
    padding: var(--spacing-sm);
    text-align: left;
    border: 1px solid var(--color-border);
}

table th {
    background-color: var(--color-primary);
    color: white;
    font-weight: 600;
}

table tr:hover {
    background-color: rgba(168, 213, 186, 0.1);
}

/* Work Report Table */
.report-table {
    font-size: 0.85rem;
    overflow-x: auto;
}

.report-table th {
    background-color: var(--color-accent);
    vertical-align: middle;
    text-align: center;
}

.report-table td {
    padding: 4px;
    text-align: center;
}

.report-table input {
    width: 100%;
    border: 1px solid transparent;
    padding: 4px;
    text-align: center;
    background: transparent;
    transition: all 0.2s ease;
}

.report-table input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
}

.report-table input:hover {
    background: rgba(168, 213, 186, 0.1);
}

.report-table .locked input {
    background-color: var(--color-border);
    cursor: not-allowed;
    pointer-events: none;
}

.report-table .day-cell {
    background-color: #f9f9f9;
    font-weight: 600;
}

.report-table .weekend {
    background-color: rgba(255, 182, 185, 0.1);
}

.report-table .total-row {
    background-color: var(--color-info);
    font-weight: bold;
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: var(--color-success);
    color: var(--color-text);
}

.alert-error {
    background-color: var(--color-danger);
    color: var(--color-text);
}

.alert-info {
    background-color: var(--color-info);
    color: var(--color-text);
}

.alert-warning {
    background-color: var(--color-warning);
    color: var(--color-text);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-admin {
    background-color: var(--color-danger);
    color: var(--color-text);
}

.badge-poweruser {
    background-color: var(--color-warning);
    color: var(--color-text);
}

.badge-user {
    background-color: var(--color-info);
    color: var(--color-text);
}

.badge-locked {
    background-color: var(--color-danger);
    color: white;
}

.badge-unlocked {
    background-color: var(--color-success);
    color: var(--color-text);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.flex {
    display: flex;
}

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

.flex-gap {
    gap: var(--spacing-md);
}

/* Assigned Users Cards */
.assigned-users-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.user-card {
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

.user-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.user-card-link {
    display: block;
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--color-text);
}

.user-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.user-reports {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.report-badge {
    background-color: var(--color-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.report-count {
    background-color: var(--color-accent);
    color: white;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
}

.no-reports {
    color: var(--color-text-light);
    font-style: italic;
    font-size: 0.9rem;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    background: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--color-text-light);
    margin: 0 4px;
}

.breadcrumb-current {
    color: var(--color-text);
    font-weight: 600;
}

/* Modal Styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-dialog {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
    color: var(--color-text);
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-light);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-lg);
}

.user-select-list {
    margin-top: var(--spacing-md);
}

.users-grid {
    display: grid;
    gap: var(--spacing-sm);
}

.user-select-item {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-select-item:hover {
    border-color: var(--color-primary);
    background-color: rgba(168, 213, 186, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.user-select-item .user-name {
    font-weight: 600;
    color: var(--color-text);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

    header h1 {
        font-size: 1.3rem;
    }

    nav ul {
        flex-direction: column;
    }

    .report-table {
        font-size: 0.75rem;
    }

    .report-table input {
        padding: 2px;
    }
}

@media print {
    body {
        background: white;
    }

    header,
    nav,
    .btn,
    .no-print {
        display: none !important;
    }

    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }

    .card-header h2 {
        display: none !important;
    }

    @page {
        size: A4 portrait;
        margin: 10mm;
    }

    body {
        font-size: 10pt;
    }

    .card {
        padding: 0;
    }

    .card-header {
        margin-bottom: 5px;
        padding-bottom: 0;
        border-bottom: none;
    }

    .org-name {
        font-size: 11pt;
        font-weight: bold;
        margin-bottom: 8px !important;
    }

    .info-grid {
        font-size: 10pt;
        margin-bottom: 8px !important;
    }

    .report-table {
        font-size: 8pt;
        margin-bottom: 8px;
    }

    .report-table th,
    .report-table td {
        padding: 2px 1px !important;
        font-size: 8pt;
        line-height: 1.3;
        vertical-align: middle;
    }

    .report-table th small {
        font-size: 7pt;
    }

    .report-table input {
        font-size: 8pt;
        border: none !important;
        padding: 1px !important;
        background: transparent !important;
        line-height: 1.3;
        word-spacing: -0.5px;
    }

    .extra-note {
        font-size: 10pt;
        margin-top: 5px !important;
        margin-bottom: 8px !important;
    }

    .footer {
        display: block !important;
        font-size: 9pt;
        margin-top: 10px !important;
        page-break-inside: avoid;
    }

    .footer p {
        font-size: 9pt;
        margin-bottom: 5px;
    }

    .footer>div {
        font-size: 9pt;
    }
}