*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --primary: #4a90a4;
    --primary-dark: #3a7a8f;
    --secondary: #6c757d;
    --danger: #dc3545;
    --success: #28a745;
    --bg: #f8f9fa;
    --card-bg: #ffffff;
    --text: #212529;
    --text-muted: #6c757d;
    --border: #dee2e6;
    --radius: 8px;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

h1 {
    font-size: 1.5rem;
    margin: 0 0 1.5rem 0;
    text-align: center;
    outline: none;
}

h2 {
    font-size: 1.1rem;
    margin: 0 0 1rem 0;
    color: var(--text-muted);
}

/* Form styles */
.form-section {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--text-muted);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    color: var(--text);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 164, 0.2);
}

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

.form-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
    flex: 1;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: #5a6268;
}

.btn-link-danger {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 0;
    text-decoration: underline;
}

.btn-link-danger:hover {
    color: #a71d2a;
}

.btn-block {
    display: flex;
    width: 100%;
    margin-bottom: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    text-decoration: none;
}

.btn-icon:hover {
    background: var(--bg);
}

/* Summary section */
.summary-section {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.summary-content {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.summary-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.summary-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

.summary-count {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* List styles */
.list-section {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Month groups */
.month-group {
    margin-bottom: 1.5rem;
}

.month-group:last-child {
    margin-bottom: 0;
}

.month-header {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: capitalize;
    margin: 0 0 0.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
}

.record-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.record-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

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

.record-item.paid {
    opacity: 0.6;
}

.record-item.unpaid {
    border-left: 3px solid var(--primary);
    padding-left: 0.5rem;
    margin-left: -0.5rem;
}

.record-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    text-decoration: none;
    color: inherit;
    padding: 0.5rem;
    margin: -0.5rem;
    border-radius: var(--radius);
}

.record-link:hover {
    background: var(--bg);
}

.delete-form {
    margin-top: 1.5rem;
    padding-top: 1rem;
    text-align: center;
}

.record-main {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.record-date {
    font-weight: 600;
    font-size: 1rem;
}

.record-time {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.record-cleaners {
    font-size: 0.875rem;
}

.record-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.record-hours {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.record-paid {
    color: var(--success);
    font-weight: bold;
}

.record-item.incomplete {
    border-left-color: #f0ad4e;
}

.incomplete-badge {
    background: #f0ad4e;
    color: white;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Checkbox */
.checkbox-group {
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text);
}

.checkbox-label input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
}

.record-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.record-actions form {
    display: inline;
    margin: 0;
    padding: 0;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
    font-style: italic;
}

/* Cleaner picker */
.cleaner-picker {
    display: flex;
    gap: 0.5rem;
}

.cleaner-btn {
    flex: 1;
    padding: 0.75rem;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    cursor: pointer;
    transition: all 0.2s;
}

.cleaner-btn:hover {
    border-color: var(--primary);
}

.cleaner-btn.active {
    border-color: var(--primary);
    background: rgba(74, 144, 164, 0.1);
}

.cleaner-input {
    width: 70px !important;
    flex-shrink: 0;
    text-align: center;
}

/* Validation */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success);
}

.invalid {
    outline: 1px solid var(--danger);
}

.validation-message {
    color: var(--danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Error boundary */
.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "Došlo k chybě."
}

/* Touch-friendly */
@media (hover: none) and (pointer: coarse) {
    .btn, .btn-icon, input {
        min-height: 44px;
    }
}