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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

header {
    background: white;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

#countdown {
    font-size: 1.5rem;
    color: #764ba2;
    font-weight: 600;
}

nav {
    background: white;
    padding: 1rem 2rem;
    display: flex;
    gap: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.nav-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
}

.nav-btn:hover {
    background: #667eea;
    color: white;
}

.nav-btn.active {
    background: #667eea;
    color: white;
}

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

.view {
    display: none;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.view.active {
    display: block;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-header h2 {
    font-size: 1.8rem;
    color: #667eea;
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #5568d3;
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: #e0e0e0;
    color: #333;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
}

#gantt-chart {
    margin-top: 2rem;
    overflow-x: auto;
}

/* Task List Styles */
.task-category {
    margin-bottom: 2rem;
}

.task-category h3 {
    font-size: 1.3rem;
    color: #764ba2;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #667eea;
}

.task-item {
    background: #f8f9fa;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.task-item.completed {
    opacity: 0.6;
    border-left-color: #4caf50;
}

.task-item.high-priority {
    border-left-color: #f44336;
}

.task-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.task-meta {
    font-size: 0.9rem;
    color: #666;
}

.task-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-not_started {
    background: #fff3cd;
    color: #856404;
}

.status-in_progress {
    background: #d1ecf1;
    color: #0c5460;
}

.status-completed {
    background: #d4edda;
    color: #155724;
}

/* Budget Styles */
#budget-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.budget-stat {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.budget-stat h3 {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.budget-stat p {
    font-size: 2rem;
    font-weight: bold;
}

.budget-item {
    background: #f8f9fa;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.budget-item.paid {
    border-left: 4px solid #4caf50;
}

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

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
}

.close {
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

form label {
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

form input,
form select,
form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

form input:focus,
form select:focus,
form textarea:focus {
    outline: none;
    border-color: #667eea;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.modal-actions button {
    flex: 1;
}

/* Frappe Gantt Customization */
.gantt-container {
    overflow: auto;
}

.gantt .bar-label {
    fill: white;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    #countdown {
        font-size: 1.2rem;
    }

    nav {
        flex-wrap: wrap;
    }

    .view-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    main {
        padding: 0 1rem;
    }
}