/* Footer */
footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 1.5rem 0;
    text-align: center;
    margin-top: 2rem;
}/* Base Styles */
:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --gray-color: #9e9e9e;
    --border-color: #ddd;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

ul {
    list-style: none;
}

/* Header */
header {
    background-color: var(--dark-color);
    color: #fff;
    padding: 1rem 0;
}

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

header h1 {
    font-size: 1.5rem;
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-grow: 1;
    margin-left: 2rem;
}

header nav ul {
    display: flex;
}

header nav li {
    margin-left: 1.5rem;
}

header nav a {
    color: #fff;
    font-weight: 600;
}

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

.user-menu {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.username {
    color: #ccc;
    margin-right: 1rem;
    font-size: 0.9rem;
}

.login-btn, .logout-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background-color 0.3s;
}

.login-btn:hover, .logout-btn:hover {
    background-color: #3d8b40;
    color: white;
}

.logout-btn {
    background-color: #dc3545;
}

.logout-btn:hover {
    background-color: #bd2130;
}

/* Main Content */
main {
    padding: 2rem 0;
}

h2 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

h3 {
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

/* Tracking Panel */
.tracking-panel, .calendar-panel, .manage-panel {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.date-selector {
    margin-bottom: 1.5rem;
}

.date-selector label {
    margin-right: 0.5rem;
    font-weight: 600;
}

.date-selector input {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.habit-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.category {
    background-color: #f9f9f9;
    border-radius: 6px;
    padding: 1.5rem;
    border: 1px solid #eee;
}

.habit-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.habit-btn {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.habit-btn i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.habit-btn:hover {
    background-color: #f0f0f0;
}

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

.habit-btn.active:hover {
    background-color: #3d8b40;
}

.undo-btn {
    background-color: transparent;
    color: var(--danger-color);
    border: none;
    margin-left: 0.5rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.habit-btn.active .undo-btn {
    opacity: 1;
}

.status-message {
    padding: 0.75rem;
    border-radius: 4px;
    margin-top: 1rem;
    font-weight: 500;
}

.status-message.success {
    background-color: #e6f7e6;
    color: var(--success-color);
    border: 1px solid #c3e6cb;
}

.status-message.error {
    background-color: #f8d7da;
    color: var(--danger-color);
    border: 1px solid #f5c6cb;
}

.hidden {
    display: none;
}

/* Calendar Panel */
.filter-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.filter-selectors {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-selector, .habit-selector {
    min-width: 200px;
}

.category-selector label, .habit-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.category-selector select, .habit-selector select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.color-legend {
    background-color: #f9f9f9;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid #eee;
}

.color-legend h4 {
    margin-bottom: 0.75rem;
}

.legend-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
}

.color-box {
    display: inline-block;
    width: 15px;
    height: 15px;
    border-radius: 3px;
    margin-right: 0.5rem;
}

#calendar {
    height: 650px;
}

/* Manage Panel */
.manage-tabs {
    display: flex;
    border-bottom: 1px solid #ddd;
    margin-bottom: 1.5rem;
    gap: 0.5rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background-color: #f4f4f4;
    border: 1px solid #ddd;
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    font-weight: 600;
    margin-bottom: -1px;
}

.tab-btn.active {
    background-color: #fff;
    border-bottom: 1px solid #fff;
    color: var(--primary-color);
}

.tab-content {
    margin-bottom: 1.5rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn.primary:hover {
    background-color: #3d8b40;
}

.btn.cancel {
    background-color: #f4f4f4;
    color: var(--dark-color);
}

.btn.cancel:hover {
    background-color: #e0e0e0;
}

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

.btn.danger:hover {
    background-color: #bd2130;
}

.category-section {
    margin-bottom: 2rem;
}

.category-section h4 {
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
    margin-bottom: 1rem;
}

.habit-items, .categories-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.habit-item, .category-item {
    display: flex;
    background-color: #f9f9f9;
    border-radius: 6px;
    border: 1px solid #eee;
    padding: 1rem;
    position: relative;
}

.habit-color {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 1rem;
    flex-shrink: 0;
}

.habit-info, .category-info {
    flex-grow: 1;
}

.habit-name, .category-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.habit-description, .category-description {
    font-size: 0.9rem;
    color: #666;
}

.habit-actions, .category-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.edit-habit-btn, .edit-category-btn {
    background-color: transparent;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1.1rem;
}

.no-items {
    font-style: italic;
    color: #666;
    grid-column: 1 / -1;
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 4px;
    text-align: center;
}

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

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

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

/* Form styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.85rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #333;
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1001;
}

.toast.show {
    opacity: 1;
}

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

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

.toast.warning {
    background-color: var(--warning-color);
    color: #333;
}

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

/* Flash Messages */
.flash-container {
    margin-bottom: 1.5rem;
}

.flash-message {
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    position: relative;
    transition: opacity 0.5s;
}

.flash-message.success {
    background-color: #e6f7e6;
    color: var(--success-color);
    border: 1px solid #c3e6cb;
}

.flash-message.error {
    background-color: #f8d7da;
    color: var(--danger-color);
    border: 1px solid #f5c6cb;
}

.flash-message.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.flash-message.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.close-flash {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.5;
}

.close-flash:hover {
    opacity: 1;
}

/* Reset Password Panel */
.reset-password-panel {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    max-width: 500px;
    margin: 2rem auto;
}

.reset-password-form .form-actions {
    margin-top: 2rem;
}

/* Admin Panel */
.admin-panel {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* Color Picker */
.sp-container {
    border: none;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.sp-palette-container {
    border-right: 1px solid #eee;
}

.sp-picker-container {
    border-left: none;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .habit-categories {
        grid-template-columns: 1fr;
    }
    
    .filter-controls {
        flex-direction: column;
    }
    
    .filter-selectors {
        flex-direction: column;
    }
    
    .legend-items {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    #calendar {
        height: 500px;
    }
    
    .habit-items, .categories-list {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.5rem;
    }
}

/* Tooltip for calendar events */
.fc-event-title {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fc-daygrid-day.has-multiple-events {
    background-color: rgba(0, 0, 0, 0.05);
}

/* Modal open state */
body.modal-open {
    overflow: hidden;
}