.tutorial-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 500;
    border-bottom: 1px solid transparent;
}

.tutorial-link:hover {
    border-bottom-color: var(--primary-color);
}

.habit-app {
    max-width: 700px;
    margin: 0 auto;
}

.add-habit-section {
    background-color: var(--white);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 25px;
}

.add-habit-section h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 20px;
}

.add-habit-form {
    display: flex;
    gap: 12px;
}

.add-habit-form input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-color);
}

.add-habit-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.add-habit-form select {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--white);
    cursor: pointer;
}

.add-habit-form select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.habits-list {
    background-color: var(--white);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 25px;
}

.habits-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.habits-header h3 {
    font-size: 1.1rem;
    color: var(--text-color);
}

.today-date {
    color: #64748B;
    font-size: 0.95rem;
}

.habits-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.empty-state {
    text-align: center;
    color: #64748B;
    padding: 30px;
}

.habit-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: var(--bg-color);
    border-radius: 12px;
    transition: var(--transition);
}

.habit-item.completed {
    background-color: #E8F5E9;
}

.habit-checkbox {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.habit-checkbox:hover {
    border-color: var(--secondary-color);
}

.habit-item.completed .habit-checkbox {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.habit-checkbox svg {
    width: 16px;
    height: 16px;
    stroke: var(--white);
    opacity: 0;
    transition: var(--transition);
}

.habit-item.completed .habit-checkbox svg {
    opacity: 1;
}

.habit-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.habit-icon svg {
    width: 20px;
    height: 20px;
}

.habit-icon.check { background-color: #E3F2FD; color: #2196F3; }
.habit-icon.exercise { background-color: #FCE4EC; color: #E91E63; }
.habit-icon.book { background-color: #FFF3E0; color: #FF9800; }
.habit-icon.water { background-color: #E1F5FE; color: #03A9F4; }
.habit-icon.sleep { background-color: #E8EAF6; color: #3F51B5; }
.habit-icon.meditation { background-color: #E8F5E9; color: #4CAF50; }
.habit-icon.food { background-color: #FFF8E1; color: #FFC107; }
.habit-icon.heart { background-color: #FFEBEE; color: #F44336; }

.habit-info {
    flex: 1;
    min-width: 0;
}

.habit-name {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
    word-break: break-word;
}

.habit-item.completed .habit-name {
    text-decoration: line-through;
    opacity: 0.7;
}

.habit-streak {
    font-size: 0.85rem;
    color: #64748B;
}

.habit-streak span {
    color: var(--secondary-color);
    font-weight: 600;
}

.habit-delete {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: none;
    color: #94A3B8;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.habit-delete:hover {
    background-color: #FEE2E2;
    color: #EF4444;
}

.habit-delete svg {
    width: 18px;
    height: 18px;
}

.stats-section {
    background-color: var(--white);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.stats-section h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 20px;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.stat-card {
    text-align: center;
    padding: 20px 10px;
    background-color: var(--bg-color);
    border-radius: 12px;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.8rem;
    color: #64748B;
}

@media (max-width: 768px) {
    .add-habit-form {
        flex-wrap: wrap;
    }

    .add-habit-form input {
        flex: 1 1 100%;
    }

    .add-habit-form select {
        flex: 1;
    }

    .add-habit-form .btn {
        flex: 1;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .habits-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .habit-item {
        padding: 12px;
    }

    .habit-icon {
        width: 36px;
        height: 36px;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}