:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --background-color: #f0f2f5;
    --text-color: #333;
    --card-background: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

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

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow-color);
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
}

main {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.chores-container {
    background: var(--card-background);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.chores-container h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.chore-assignments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chore-card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow-color);
    transition: transform 0.2s ease;
}

.chore-card:hover {
    transform: translateY(-5px);
}

.chore-card h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.assigned-kid {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-color);
    margin: 1rem 0;
}

.note {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

.info-section {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    text-align: center;
    color: #666;
}

.info-section p {
    margin: 0.5rem 0;
}

footer {
    background-color: var(--text-color);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

.weekly-view {
    margin-top: 3rem;
    background: var(--card-background);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.weekly-view h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.weekly-grid {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow-x: auto;
    width: 100%;
}

.weekly-header {
    display: grid;
    grid-template-columns: 120px repeat(auto-fit, minmax(120px, 1fr));
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1;
}

.weekly-row {
    display: grid;
    grid-template-columns: 120px repeat(auto-fit, minmax(120px, 1fr));
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s ease;
}

.weekly-row:last-child {
    border-bottom: none;
}

.weekly-row:hover {
    background-color: #f5f5f5;
}

.weekly-row.today {
    background-color: #e8f5e9;
}

.weekly-row.today:hover {
    background-color: #c8e6c9;
}

.day-cell, .chore-header, .assignment-cell {
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-right: 1px solid #eee;
    min-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.day-cell {
    font-weight: 500;
    background-color: #f8f9fa;
    justify-content: flex-start;
    padding-left: 1.5rem;
    position: sticky;
    left: 0;
    z-index: 2;
}

.weekly-header .day-cell {
    background-color: var(--primary-color);
}

.day-name {
    font-size: 0.9rem;
}

.chore-header {
    font-size: 1rem;
    padding: 0.75rem;
}

.assignment-cell {
    font-size: 1rem;
    padding: 0.75rem;
}

.history-section {
    margin-top: 3rem;
    padding: 1.5rem;
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.history-section h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.history-section p {
    text-align: center;
    color: #666;
    font-style: italic;
}

.admin-link {
    text-align: center;
    margin-top: 2rem;
}

.admin-link .action-button {
    text-decoration: none;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background: var(--secondary-color);
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-link .action-button:hover {
    background: #1976D2;
}